Run vs Mementara
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Run
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Run-C is a hands-on way to learn and practice the C programming language right on your iPhone or iPad, completely offline. Write real C code, tap Run, and see your output instantly. No internet, no accounts, and no complicated setup. Whether you are taking your first steps in programming or brushing up on the fundamentals, Run-C gives you a focused environment to experiment, make mistakes, and learn by doing. GUIDED LEARNING PATH Run-C includes 15 ready-to-run example programs organized into a Beginner Path that builds your skills step by step: - Hello World: your first program and printf - For Loop Sum: loops and integer math - If/Else: branching with conditions - Countdown: while loops and decrement - Multiplication Table: nested output in a loop - Average, FizzBuzz, Max of Three, Factorial, Power - Prime Check, GCD, Fibonacci, Hex and Char, Collatz Steps Each example comes with a short description so you understand what it teaches before you run it. A REAL CODE EDITOR - Syntax highlighting for keywords, comments, and strings - Line numbers with a clean gutter - Smart auto-indentation on new lines - Automatic bracket, parenthesis, and quote pairing - A dedicated C-symbol keyboard bar for fast access to common symbols - Live line and character counts INSTANT OFFLINE OUTPUT - Runs your C program locally on device, no network required - Clear Output console with selectable text - Separate Warnings tab that surfaces issues without cluttering your results - Error lines highlighted directly in the editor so you can find and fix mistakes fast - Run timing so you can see how quickly your program executes PRIVATE BY DESIGN Your code never leaves your device. Compilation and execution happen entirely on-device, so you can learn and experiment anywhere, even without a connection. WHO IT IS FOR - Students learning C in school or on their own - Developers who want a quick scratchpad for small C snippets - Anyone curious about how programming works, in a friendly, no-pressure environment Run-C focuses on core C language constructs for learning: control flow, numbers, strings, and basic I/O with printf. Some advanced features and system-level APIs are intentionally not supported on iOS. Questions or feedback? Email kshravi86@gmail.com.
Mementara
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Your Markdown knowledge, within reach. Mementara brings your GitHub repositories to iPhone and iPad for focused, offline reading. Download a selected repository, choose a branch and root folder, and keep your notes available wherever you are. YOUR SECOND BRAIN, READY TO READ Keep your second brain within reach. Read supported Markdown notes from an Obsidian vault stored in a GitHub repository, with offline search, wikilinks and supported note embeds. Mementara is an independent reader and is not affiliated with Obsidian. NO ACCOUNT NEEDED FOR PUBLIC REPOSITORIES Explore the bundled sample or browse and download public GitHub repositories without signing in. Enter a repository URL, owner/repository name or GitHub username to find public repositories. A GitHub account is optional and is required only to access private repositories. READ AND EXPLORE Follow relative links, wikilinks and supported note embeds. Read Markdown, code, tables, math and Mermaid diagrams. Open cached images and PDFs, save bookmarks and return to your reading position. FIND WHAT YOU NEED Search downloaded notes and filenames, then open matching passages in context. Search works offline and does not send your queries to an AI service. YOUR REPOSITORY STAYS YOURS Mementara connects directly to GitHub and never edits your source files or writes changes back. For private repositories, sign in to GitHub and grant read-only access to selected repositories. Credentials stay in device-only Keychain storage. The app includes no advertising or analytics SDK. MADE FOR IPHONE AND IPAD Use the adaptive iPad workspace, adjust reading appearance and text size, protect access with app lock, and share an original document through the system share sheet. The interface supports English, German, French and Spanish. Free to use, with no in-app purchases or subscriptions. Requires iOS or iPadOS 18 or later. Supports one active repository and one optional GitHub.com account. Download notes and supported attachments before going offline; download coverage shows missing or oversized media. External links require a connection. Editing, GitHub Enterprise Server, Obsidian plugins, Dataview and interactive Canvas are not supported. Privacy: https://mementara.app/privacy.html Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
Run and Mementara are too close to call on the numbers: across 5 compared parameters โ price, ads, in-app purchases and device support among them โ neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Run | Mementara |
|---|---|---|
| Price | Free | Free |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad โ better |
| Requires iOS | 17.0 โ better | 18.0 |
| Further details โ not scored | ||
| Size | 1 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Aakash Ravi | Mirko Jahn |
In-app purchases
Run
No in-app purchases
Mementara
No in-app purchases









