# NapCat vs Dev Calc

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.

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.

## The numbers

| Metric | NapCat | Dev Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (7 ratings)](https://appshunter.io/ios/app/napcat-offline-github-client/id606238223/reviews)** | [2.0 (2 ratings)](https://appshunter.io/ios/app/dev-calc-developer-calculator/id1576503219/reviews) |
| Number of ratings | **7** | 2 |
| Positive reviews | **66.7% of reviews** | 60.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 156 MB | 51 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shotdoor](https://appshunter.io/developer/530049796) | [Toshiya Hondo](https://appshunter.io/developer/1571875732) |

## What reviewers say

### NapCat

[App page](https://appshunter.io/ios/app/napcat-offline-github-client/id606238223)

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.

**Highlights:** Offline Git client, Code editor, Syntax highlighting, Starred repository access, Supports 90+ languages, Customizable themes

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Pro | $1.99 | per month |
| 1 Year Pro | $9.99 | per year |
| NapCat Upgrade | $12.99 | one-time |


### Dev Calc

[App page](https://appshunter.io/ios/app/dev-calc-developer-calculator/id1576503219)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads (Monthly) | $1.99 | per month |


## Frequently asked questions

### Is NapCat free?

NapCat is free to download, with in-app purchases available.

### Is Dev Calc free?

Dev Calc is free to download, with in-app purchases available.

### Which has better reviews, NapCat or Dev Calc?

NapCat is rated higher. NapCat averages 3.7 out of 5 from 7 ratings, while Dev Calc averages 2.0 from 2 ratings.

### Do NapCat or Dev Calc have ads?

Dev Calc shows ads; NapCat does not.

### Which is updated more often, NapCat or Dev Calc?

NapCat ships an update every 4 months, and Dev Calc every 2 months. Most recently, NapCat was updated on October 5, 2026 and Dev Calc on October 7, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*