# Programmer Calculator vs Codereader.dev

The clearest difference is review sentiment: Codereader.dev at 100% against Programmer Calculator's 42%. Codereader.dev also leads on rating (5.0 vs 4.6). Programmer Calculator's advantage is ratings volume (32 vs 5). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Programmer Calculator sells 3 one-off in-app purchases and Codereader.dev sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Codereader.dev holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Programmer Calculator has 32 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 42% of Programmer Calculator's written reviews are positive against 100% of Codereader.dev's.

Programmer Calculator ships an update fortnightly, Codereader.dev every 2 weeks. The most recent releases landed on October 2, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Programmer Calculator | Codereader.dev |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (32 ratings)](https://appshunter.io/ios/app/programmer-calculator-dev/id1624892520/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/codereaderdev/id6444749484/reviews)** |
| Number of ratings | **32** | 5 |
| Positive reviews | 42.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 5 MB | 46 MB |
| Requires iOS | 14.0 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [永超 侯](https://appshunter.io/developer/906391544) | [Matias Andrade Guzman](https://appshunter.io/developer/1656626837) |

## What reviewers say

### Programmer Calculator

[App page](https://appshunter.io/ios/app/programmer-calculator-dev/id1624892520)

This tool assists developers with number base conversions and CRC calculations for strings and hex bytes. Additional features are planned for future updates.

**Highlights:** Number base conversion, CRC calculation, String to hex conversion, Hex byte CRC calculation, Developer support tool

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A coke | $0.99 | one-time |
| A cup of coffee | $2.99 | one-time |
| A big meal | $5.99 | one-time |


### Codereader.dev

[App page](https://appshunter.io/ios/app/codereaderdev/id6444749484)

Capture code ideas and notes on the go, read code comfortably on your phone with customizable displays, and support multiple programming languages. This tool aims to make your coding life more flexible and convenient.

**Highlights:** Capture code ideas on the fly, Read code comfortably on phone, Customizable display, Multi-language support, Quick code reviews, Jot down notes

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Codereader Pro | $4.99 | one-time |


## Frequently asked questions

### Is Programmer Calculator free?

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

### Is Codereader.dev free?

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

### Which has better reviews, Programmer Calculator or Codereader.dev?

Codereader.dev is rated higher. Programmer Calculator averages 4.6 out of 5 from 32 ratings, while Codereader.dev averages 5.0 from 5 ratings.

### Do Programmer Calculator or Codereader.dev have ads?

Neither Programmer Calculator nor Codereader.dev shows ads.

### Which is updated more often, Programmer Calculator or Codereader.dev?

Programmer Calculator ships an update fortnightly, and Codereader.dev every 2 weeks. Most recently, Programmer Calculator was updated on October 2, 2026 and Codereader.dev on September 29, 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.*