The hottest Mobile Substack posts right now

And their main takeaways
Category
Top Technology Topics

AI and the Decline of the Open Web

Tanay’s Newsletter • 214 implied HN points • 25 Jul 23
🕹 Technology Mobile
  1. Many platforms are moving towards closed ecosystems to retain users and monetize data.
  2. Communities have shifted from open forums to more private spaces, limiting accessibility and searchability.
  3. The rise of AI-generated content for search engines could harm the discoverability of genuinely useful content on the open web.

Fableborne Season 3 is LIVE!

Ronin’s Newsletter • 49 implied HN points • 20 Nov 24
🕹 Technology Mobile
  1. Fableborne Season 3 is now available! This game mixes strategy and action, letting you raid players and earn rewards.
  2. You can earn special rewards like Fortune Keys by completing quests and buy Fortune Passes to unlock more goodies inside the game.
  3. Building a strong kingdom is key! Customize your defenses and level up to better protect your resources and stand against other players.

29 things that didn’t exist last time Argentina won the World Cup.

Jon’s Newsletter • 59 implied HN points • 18 Dec 22
🕹 Technology Mobile
  1. A lot has changed since Argentina last won the World Cup in 1986, especially with technology. For example, back then, the internet and smartphones didn't exist.
  2. Major companies and services like Google, Amazon, and Netflix started many years after the 1986 World Cup. It shows how different our daily lives are now.
  3. Even social media platforms like Facebook and Twitter were created long after that victory. This highlights how we now connect and communicate in very different ways.
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The New Operating System for Good

Crypto Good • 3 implied HN points • 20 Nov 25
🕹 Technology Mobile
  1. New technologies like AI, crypto, and mobile are changing how we do good. We can now send donations faster and see where they go, making charity more transparent.
  2. AI helps people work smarter, not harder. It takes care of administrative tasks, so one person can achieve what used to take many, making help available to more people.
  3. Mobile phones are turning into powerful tools for social impact. With AI, people can manage aid and services just by talking, making it easier for everyone to contribute.

Cityscapes: Sim Builder

Have You Played? • 19 implied HN points • 20 Jun 23
🕹 Technology Mobile
  1. Cityscapes: Sim Builder is a real-time simulation game where you build a city by placing blueprints for different types of buildings.
  2. The game lacks challenge due to easy money-making opportunities and simplified mechanics like no running costs for buildings.
  3. Cityscapes was initially designed as a free-to-play game monetized by selling in-game currency, but converted to Apple Arcade with a focus on time-based gameplay.

GM Shaders Mini: Limits

GM Shaders Mini Tuts • 19 implied HN points • 29 Sep 23
🕹 Technology Mobile
  1. Shaders have limitations: vertex shaders can move vertices, fragment shaders can set colors or discard themselves.
  2. Consider resolution and texture samples for efficient shader performance.
  3. GLSL 1.00 has limitations compared to newer versions, affecting features like operators, data types, and texture functions.

Help! I need a power bank

The Rectangle • 28 implied HN points • 15 Nov 24
🕹 Technology Mobile
  1. Having a power bank is really helpful when your phone battery is low, especially during long days out. It keeps you connected and helps you find your way around.
  2. New power banks can be really convenient, like the slim MagGo that charges wirelessly. It eliminates the need to carry extra cables, making life easier.
  3. You can choose between buying a new battery for your phone or getting a power bank. A power bank is often simpler and can charge multiple devices, which is a big plus.

How the iPhone innovated without inventing

subtract • 5 implied HN points • 18 Jun 25
🕹 Technology Mobile
  1. The iPhone combined multiple devices into one, making it easy to call, text, and access the internet all in one place. This made it super convenient for users.
  2. Apple improved the user experience by using a touchscreen instead of a physical keyboard. This lets people customize the interface to fit their needs better.
  3. The original iPhone didn’t create new technology but used existing ideas in a better way. It solved problems that other devices didn't, like being user-friendly and fun to use.

🚨 Exciting News - We're Launching Nack AI!

The Startup • 26 implied HN points • 17 May 23
🕹 Technology Mobile
  1. Launching Nack AI - a new unique AI product named Nack is being launched with multiple AI models for mobile devices.
  2. Engaging with audience - planning to write about various startup-related topics and seeking feedback and engagement from readers.
  3. Experimenting with newsletter format - the newsletter format will continue to evolve until a suitable style is found.

Honkai: Star Rail

Have You Played? • 2 HN points • 23 May 23
🕹 Technology Mobile
  1. Honkai: Star Rail is a sci-fi turn-based RPG with rich 3D worlds and an abundance of content.
  2. The game follows JRPG characteristics like linear story, turn-based battles, and specific character backstories.
  3. Despite some confusing battles and monetization tactics, the game impresses with its polished writing and immersive world.

The 48-Hour Sprint To Try And Put Medical AI in Every Phone

Nano Thoughts • 1 implied HN point • 23 May 25
🕹 Technology Mobile
  1. Creating a powerful AI for medical use on smartphones can be tough, especially when there are limits on memory and processing power. The teams needed to be creative and flexible to make it work within a small device.
  2. Using Apple’s open-source tools let the developers adapt and troubleshoot the AI better than the options available on Android. With the right tools, they could fix problems directly instead of being stuck with rigid systems.
  3. The main goal is to make healthcare AI accessible in places where it's needed most, like rural areas with few doctors. This way, community health workers can get immediate help without needing a strong internet connection.

Mobile DevOps for Enterprise that Just Works

Jacob’s Tech Tavern • 3 HN points • 15 Jan 24
🕹 Technology Mobile
  1. Mobile DevOps for Enterprise can be challenging due to the unique requirements and constraints of mobile development.
  2. Appcircle offers a more streamlined and user-friendly approach to setting up CI/CD pipelines, especially for mobile projects.
  3. Appcircle provides advantages such as simplified infrastructure management, faster build speeds, comprehensive permissions management, and features like tester management and enterprise app store.

Phone Camera + AI: The Ultimate Learning Unlock

Crypto Good • 0 implied HN points • 21 Mar 26
🕹 Technology Mobile
  1. Your phone camera plus AI turns the real world into an open-source classroom, letting you learn faster and on your own by exploring what you see.
  2. Use a simple “snap and ask” workflow: take a photo, feed it to a mobile AI (like Grok or Gemini), and give context such as location or landmarks to avoid hallucinations and get accurate facts.
  3. The combo is highly versatile—instant translation, creative image remixing, generating music from visuals, and uncovering local histories—so you can learn and create anywhere.

Progressive Web Apps

Code Solo • 0 implied HN points • 30 Mar 23
🕹 Technology Mobile
  1. Progressive Web Apps are optimized websites that can run on mobile devices like native apps.
  2. PWAs can be installed without using the App Store, making it easier for developers to publish and update apps.
  3. Web APIs offer a wide range of functionalities for PWAs, but browser support, especially from Apple, can be limited.

Microsoft Copilot is finally available on iOS and Android

pocoai • 0 implied HN points • 03 Jan 24
🕹 Technology Mobile
  1. Microsoft Copilot is now accessible on iOS and Android, offering AI assistance with tasks like drafting emails and creating travel itineraries.
  2. Samsung Galaxy S24 Series is set to be revealed at the Galaxy Unpacked event, featuring AI capabilities like image creation and real-time translation.
  3. IBM suggests that in the AI era, soft skills like creativity and innovation will be more valuable than traditional computer science degrees.

The continued rise of Handheld gaming

Deus In Machina • 0 implied HN points • 08 Feb 24
🕹 Technology Mobile
  1. Handheld gaming has been continuously growing in popularity over the years.
  2. Nintendo has been a key player in keeping the handheld gaming industry alive with a history of successful handheld consoles.
  3. Modern handheld devices offer impressive gaming experiences with advancements in technology, bringing more excitement to the gaming community.

Elliptic Curve Cryptography

Quantum Formalism • 0 implied HN points • 29 Nov 23
🕹 Technology Mobile
  1. Elliptic Curve Cryptography (ECC) is crucial for secure internet communications like TLS protocols, mobile security, blockchain, and cryptocurrencies.
  2. ECC is efficient and widely utilized in mobile devices for securing transactions and communications due to lower computational power requirements.
  3. ECC plays a significant role in various sectors like government communications, wireless security protocols, and cloud computing due to its high security and efficiency.

I’m a Mac, You’re a PC. There really is a difference.

Joshua Gans' Newsletter • 0 implied HN points • 15 Feb 13
🕹 Technology Mobile
  1. The type of person you are, Mac or PC, really matters in relation to personal computing devices like tablets and laptops.
  2. Mac users tend to appreciate smooth animations, gestures, and a natural feel in their devices, while PC users value practical features like integrated keyboards and familiar software optimizations.
  3. Understanding and accepting that there are fundamental differences in consumer types helps in evaluating products better and catering to different market segments effectively.

See you at VNSECON07!

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 02 Aug 07
🕹 Technology Mobile
  1. VNSECON07 aimed to bridge the gap in cybersecurity between Vietnam and the rest of the world by bringing experts to share their latest research and insights.
  2. VNSECON07 stood out from other security conferences by following a rigorous selection process for presentations and hosting a hacking competition called Capture the Flag.
  3. The conference featured hot topics such as next-gen .NET attacks, live malware attacks, using Google for finding malware, cheating in online games, building a GSM interceptor, and banking security challenges in fast-developing countries.

Developers ❤ Apple

Sector 6 | The Newsletter of AIM • 0 implied HN points • 08 Jun 23
🕹 Technology Mobile
  1. Apple has over 34 million registered developers, which is expected to keep growing.
  2. The new Mac Pro and Mac Studio have exciting features that attract more developers to create apps.
  3. Switching to a Mac is a great option for PC users, especially with Apple's latest silicon technology.

Another Reason To Avoid SMS MFA

ciamweekly • 0 implied HN points • 02 Jun 25
🕹 Technology Mobile
  1. SMS for multi-factor authentication can be very unreliable, especially for people in areas with poor cellular service. This can create a stressful situation just to access an account.
  2. If you rely solely on SMS for verification, there might be long and complicated steps to regain access when things go wrong.
  3. There are better security options than SMS, so it's worth considering alternatives that provide more reliable protection.

New Fishing Frenzy features are LIVE!

Ronin’s Newsletter • 0 implied HN points • 07 Aug 25
🕹 Technology Mobile
  1. Fishing Frenzy has exciting new features like Diving and Rift Encounters that let players find hidden treasures and rare fish. These features add more fun and chances to earn rewards.
  2. Players can create an AI agent to fish for them 24/7, making it easier to catch fish and collect rewards without constant gameplay. It's like having a fishing buddy that never sleeps!
  3. There is a limited-time opportunity to secure a Final Battlepass with cool rewards. It's a great chance for players to maximize their gaming experience before the season ends.

Living Without Reliable Internet: What Worked and What Changed

Kartick’s Blog • 0 implied HN points • 14 Nov 25
🕹 Technology Mobile
  1. Staying offline can be refreshing and help break habits, like constantly watching YouTube. It's a chance to reset and experience life differently.
  2. Working with inconsistent internet means adapting your workflow to async methods. This lets you send messages and uploads at your own pace instead of needing instant connections.
  3. Using tools like AirDrop and understanding your phone's settings can help manage data and files more effectively. A good plan and reliable backup options can make a big difference in connectivity.

How to Typeless

My Home Office Hacks • 0 implied HN points • 01 Dec 25
🕹 Technology Mobile
  1. Typeless lets you dictate to your computer or phone across multiple apps and in browsers, which is much faster than typing.
  2. Typeless offers a free plan for 2,000 words per week and supports 100 languages, with a Pro plan priced at $60 per year or $30 per month.
  3. The Rocketbook New Core is a reusable spiral notebook meant to replace traditional paper notebooks, and it was listed at about $26.12 for Cyber Monday.

Mac–iPhone Tethering Settings for Maximum Speed

Kartick’s Blog • 0 implied HN points • 21 Feb 26
🕹 Technology Mobile
  1. Turn off Personal Hotspot > Maximise Compatibility on the iPhone and disable Low Data Mode in the Mac’s Wi‑Fi (and USB) network details to get full tethering speed and let Apple Photos sync automatically.
  2. Set iPhone > Mobile Data Options > Data Mode to Allow More Data on 5G to boost tethering throughput compared with Standard or Low Data Mode.
  3. Wi‑Fi and USB tethering deliver similar speeds in tests, so pick Wi‑Fi for convenience and remote enabling or USB when you want to charge the phone; remember USB has its own Low Data Mode to disable.

What the Smartphone Revolution Got Right (and Wrong)

Kartick’s Blog • 0 implied HN points • 06 Mar 26
🕹 Technology Mobile
  1. Smartphones and cloud services became the central way people use computing, with apps acting as front-ends to powerful cloud backends while desktops remain the place for focused, deep work.
  2. Touch-first design won on phones and small screens, eliminating many legacy input methods, but full-sized keyboards, mice and larger displays stayed essential for professional productivity.
  3. Mobile hardware grew much more powerful and ARM spread into laptops, yet app-store/OS limits and fragmented carrier practices have kept many pro apps and seamless cellular connectivity tied to traditional PCs.

The worst productivity app

My Home Office Hacks • 0 implied HN points • 16 Mar 26
🕹 Technology Mobile
  1. Line makes you assign money to tasks and you forfeit that money if you don’t complete them, with the funds going either to the app or a friend you choose.
  2. That setup can punish procrastination twice — you lose the value of the task and also the money you put up as a penalty.
  3. It’s unclear and risky where forfeited funds actually go, creating trust and fairness concerns, though some people might still try the app.

Apps Are Dead; They Just Don’t Know It Yet

FREST Substack • 0 implied HN points • 10 Mar 26
🕹 Technology Mobile
  1. Apps as isolated containers are becoming unmanageable because AI makes building software cheap, so organizing your digital life around thousands of separate apps won’t scale.
  2. The app model arose from economic moats like hard distribution and costly infrastructure, and those moats are eroding as infrastructure is commoditised and AI lowers development costs.
  3. The future is fluid computation over shared data, where AI lets you manipulate any data across tools and interfaces without being locked into individual apps.

Join my chat

The ZenMode • 0 implied HN points • 15 Feb 23
🕹 Technology Mobile
  1. Join the ZenMode subscriber chat on the Substack app.
  2. Download the Substack app to access the exclusive chat space.
  3. Engage in discussions and updates within the subscriber chat thread.