miu vs Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
miu
A lightweight text and code editor for quick notes, Markdown writing, and programming. It offers a distraction-free interface, syntax highlighting for many languages, and live previews for Markdown and more. Enjoy a fast, responsive, and private writing experience across your Apple devices.
- Fast and responsive editing
- Syntax highlighting for 49 languages
- Built-in live preview (Markdown, HTML, SVG, etc.)
- Automatic character encoding detection
- Find & Replace with RegEx
- Multi-cursor editing
- Privacy-focused, 100% offline
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miu is a simple, lightweight text and code editor designed to make everything from quick daily notes to Markdown writing and programming feel effortless. Built with a focus on instant responsiveness and a clean, distraction-free interface that is easy on the eyes, miu offers a natural and comfortable writing experience across iPhone, iPad, and Mac. [Key Features] • Fast and Responsive Open the app and start typing right away. Whether you are jotting down a quick thought or editing a large text file, miu stays smooth and responsive. • Clear and Readable for Both Writing and Coding Supports syntax highlighting for 49 language categories (over 120 file extensions), including HTML, CSS, JavaScript, Python, Swift, C/C++, Markdown, and JSON. Built-in Emmet support lets you expand HTML and CSS abbreviations with a single tap. • Built-in Live Preview Preview Markdown, HTML, SVG, Mermaid diagrams, and LaTeX math equations right beside your text—completely offline. • Automatic Character Encoding Detection Automatically detects UTF-8, Shift_JIS, EUC-JP, UTF-16, and other international encodings so your files open cleanly without garbled text. • Thoughtful Editing Tools Includes Find & Replace (with Regular Expressions), multi-cursor editing, line numbers, word wrap toggle, and full support for both Light and Dark Mode. • Privacy First No ads, no tracking, and no data collection. Everything works 100% offline on your device. Whether you use it as an everyday notepad or a reliable code editor, we hope miu makes your writing time a little more enjoyable.
Calc
This app emulates the classic TI-59, TI-58, and TI-58C calculators with cycle-accurate precision. It includes virtual magnetic cards, a printer, software modules, and a CPU-level debugger for in-depth analysis. Bring your old programs back to life or explore the inner workings of these vintage machines.
- Cycle-accurate TI-59, TI-58, TI-58C emulation
- Virtual magnetic card reader/writer
- PC-100C printer emulation
- CPU-level debugger
- Solid State Software module support
- iCloud syncing for state files
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Calc-U-59 is a TI-59, TI-58, and TI-58C emulator for iPhone, iPad, and Mac. It runs the original ROM, so every program, module, and quirk works exactly as it did on the real hardware — with virtual magnetic cards, a PC-100C printer, all fourteen Solid State Software modules, and a CPU-level debugger for anyone who wants to look under the hood. CYCLE-ACCURATE EMULATION The TMC0501 processor is emulated at the cycle level, reproducing the exact behaviour of the original hardware — including the TI-58C's constant memory, preserved across restarts. The Master Library ROM and many more modules are included. INTEGRATED DEBUGGER Inspect program memory, data registers, CPU state, and internal SCOM registers live as the machine runs. Step through instructions one at a time, or let the emulator run and freeze it at any point. You can even run your own assembly programs! On iPad in landscape and on the Mac it sits beside the calculator; on iPhone and in portrait, turn on the debugger page in Settings. PAPER TAPE PRINTER A functional recreation of the PC-100C thermal printer with dot-matrix font rendering. Trace exactly what programs print and why. Copy output as plain text or as a high-resolution bitmap. MAGNETIC CARD READER Load and save programs and data registers as card files, stored on your device and synced via iCloud. Bring old listings back to life and run them under the debugger. STATE FILES Load .ti59 and .ti58(c) state files to instantly configure the machine with a program, registers, and flags — ideal for sharing reproducible scenarios or revisiting known machine states. SOLID STATE MODULES Select a Solid State Module and run programs from there. Whether you're bringing an old program back to life, running the Master Library modules, or exploring how these machines actually worked under the hood, Calc-U-59 gives you a faithful TI-59 in your pocket. Calc-U-59 is free software under the GPLv3; the source code is on GitHub.
Screenshots
Verdict
The clearest difference is rating: Calc at 5.0 against miu's 3.0. miu's advantage is update cadence (every 4 days vs every 2 weeks) and iOS requirement (16.0 vs 18.0). On price, ratings volume, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Calc holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively.
miu ships an update every 4 days, Calc every 2 weeks. Both last shipped on November 5, 2026.
| Parameter | miu | Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 2 | 2 |
| Update frequency | Every 4 days — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 16.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 7 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Kenji Yamamoto | Martin Erzberger |
Customer experience
miu
Calc
In-app purchases
miu
No in-app purchases
Calc
No in-app purchases








