NapCat vs Dev Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
Dev Calc
This app assists developers and programmers with immediate numeric conversions between binary, octal, decimal, and hexadecimal formats. It also provides tools for generating color codes from RGB, HSL, and HSV values, with a color picker and preset options.
- Numeric conversion (Bin, Oct, Dec, Hex)
- Signed/Unsigned options
- Adjustable bit sizes (8, 16, 32, 64)
- RGB, HSL, HSV color code generation
- Color picker
- Preset color options
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You can convert numeric to Bin, Oct, Dec, Hex immediately with Signed, Unsigned. ** Introduction ** This is a calculator app to help System Developers and Programmers. Convert numeric to binary, octal, decimal, hex immediately. You can set conversion bit number and signed/unsigned, so you can adjust settings for binary, short, int, long. Also you can get clolor code for system application from RGB and Color Picker. And you can choose preset color simply. ** Overview ** - Convert numeric to binary, octal, decimal, hex immediately. - You can edit each digits for detailed confirmation. - You can get color code from RGB, HSL, HSV and Color Picker. - Using preset color, you can get color code quickly. ** Characteristics ** >> Numeric conversion - You can input numeric in binary, octal, decimal, hex. - You can choose bits size from 8bits, 16bits, 32bits, 64bits. - You can choose signed numeric or unsigned numeric. - you can edit each digits directly. >> Color code - You can see a color code in Hex, RGB, HSL and HSV. - Support alpha channel of color. - You can get a color code from RGB, HSL, HSV adjuster and Color Picker. - You can get a color code just by choosing a preset color. ** Terms of Use ** https://coconutsdevelop.com/en/terms/terms_of_use.html ** Developer website ** https://coconutsdevelop.com/
Screenshots
Verdict
The clearest difference is rating: NapCat at 3.7 against Dev Calc's 2.0. NapCat also leads on ads (none vs shown) and ratings volume (7 vs 2). Dev Calc's advantage is iOS requirement (13.0 vs 15.5). On price, review sentiment, update cadence 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. NapCat sells 3 in-app purchases, starting at $1.99 per month and Dev Calc sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.
NapCat holds the better App Store score, 3.7 against 2.0. Both are backed by a comparable volume of ratings — 7 and 2 respectively. Written reviews point the same way: 67% of NapCat's written reviews are positive against 60% of Dev Calc's.
NapCat ships an update every 4 months, Dev Calc every 2 months. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.
| Parameter | NapCat | Dev Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (7 ratings) — better | 2.0 (2 ratings) |
| Positive reviews | 66.7% of reviews — better | 60.0% of reviews |
| Number of ratings | 7 — better | 2 |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.5 | 13.0 — better |
| Further details — not scored | ||
| Size | 156 MB | 51 MB |
| Age rating | 4+ | 4+ |
| Developer | Shotdoor | Toshiya Hondo |
Customer experience
NapCat
Dev Calc
In-app purchases
NapCat
- 1 Month Pro$1.991 Month
- 1 Year Pro$9.991 Year
- NapCat Upgrade$12.99
Dev Calc
- Remove Ads (Monthly)$1.991 Month
Questions
Is NapCat free?
Is Dev Calc free?
Which has better reviews, NapCat or Dev Calc?
Do NapCat or Dev Calc have ads?
Which is updated more often, NapCat or Dev Calc?
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