rubyi vs NapCat
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
rubyi
Learn, run, and share Ruby scripts with an iOS app offering code completion, syntax highlighting, and a built-in browser. Customize your coding environment and even run code on your Apple Watch.
- Autocomplete
- Auto Indent
- Code coloring
- Run selected text
- Apple Watch code execution
- Code templates
- File system support
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This is an ios ruby app,you can learn,run,share ruby script. Features : Autocomplate. Auto Indent. Code color. In(the built-in browser or the txt editor),Select the text to run. Horizontal screen development. Code templates,the contents of the new file is copy from contents of the template file. *You can run code on the Apple Watch! *You can enter ruby code by keyboard, and then you can execut the ruby code,support the gets function. *You can use the file system to supports txt, pdf, chm, mp3,m4v,zip, gif, png, html, rb ,doc... *You can adjust the code color and font size , and support to move the cursor left and right and up and down , easy to read and write. *You can find learning materials by the built-in browser . *You can save ruby code and learning materials, and can be modified to the save file and delete the save file . *You can control the background image and color, and execution voice , background animation, text color and shadow, switch interface animation , the number and the order of the main interface of the tab bar to create your learning software. *You can Learn ruby knowledge , the system provides some basic learning materials . *You can use ruby code or learning materials to generate two-dimensional code , for easy sharing . *You can share code by Email,Weibo,Twitter,Facebook. *You can use the counter,light in the Setting tab.
NapCat
Access and read your favorite GitHub repositories offline on any device. This app offers a powerful code editor and comfortable reading experience with syntax highlighting for over 90 languages. Enjoy your code anywhere, anytime.
- Offline Git client
- Code editor
- Syntax highlighting
- Starred repository access
- Supports 90+ languages
- Customizable themes
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Reading and exploring source code should be enjoyable and not limited to your desktop. NapCat is a GitHub client that lets you download your most-used or favorite projects for offline reading and coding on the go. Features: • Universal: one app for all your devices • Fully offline Git client • Powerful code editor • Private Coding Agent Built-In (*) • Comfortable offline reading with beautiful syntax highlighting • Quick access to starred repositories • Support for 90+ languages and 30 themes, so you can read comfortably in bright sunlight or late at night (**) What users say: "Oh @napcatapp, you're the best discovery I've made all month." -- @davidlesches "The best code reader ever for iOS: NapCat - A GitHub Client" -- @elia "If you're in the market for a free iPhone github code reader, I totally recommend NapCat" — @drewbiewubie "NapCat on iPad is great when you want to offline study something cool on github" — @siuying ----- • Full version: access to all themes • Full version: unlimited offline code storage • Full version: access to private repositories ----- * Agent run locally, only context is sent to LLM ** Access to all themes is available with the Full Version upgrade Terms of Use: https://www.apple.com/legal/itunes/appstore/dev/stdeula
Screenshots
Verdict
The clearest difference is rating: rubyi at 4.7 against NapCat's 3.7. rubyi also leads on review sentiment (82% vs 67%) and ratings volume (27 vs 7). On price, update cadence, 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. rubyi sells 7 one-off in-app purchases and NapCat sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.
rubyi holds the better App Store score, 4.7 against 3.7. Both are backed by a comparable volume of ratings — 27 and 7 respectively. Written reviews point the same way: 82% of rubyi's written reviews are positive against 67% of NapCat's.
rubyi ships an update every 3 months, NapCat every 4 months. The most recent releases landed on September 28, 2026 and October 1, 2026 respectively.
| Parameter | rubyi | NapCat |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (27 ratings) — better | 3.7 (7 ratings) |
| Positive reviews | 81.7% of reviews — better | 66.7% of reviews |
| Number of ratings | 27 — better | 7 |
| Update frequency | Every 3 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 45 MB | 156 MB |
| Age rating | 17+ | 4+ |
| Developer | 小文 黄 | Shotdoor |
Customer experience
rubyi
NapCat
In-app purchases
rubyi
- To remove ads$0.99
- Password Service$0.99
- Horizontal screen development$0.99
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- Simple Vedio$0.99
- Encryption Compression$0.99
- Text Search$0.99
- Autocomplete$0.99
NapCat
- 1 Month Pro$1.991 Month
- 1 Year Pro$9.991 Year
- NapCat Upgrade$12.99








