# Programmer Calculator vs HASEWERK

The clearest difference is in-app purchases: HASEWERK at none against Programmer Calculator's 3. Programmer Calculator's advantage is update cadence (fortnightly vs every 21 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Programmer Calculator sells 3 one-off in-app purchases. HASEWERK asks for nothing beyond the download.

Programmer Calculator ships an update fortnightly, HASEWERK every 21 months. The most recent releases landed on September 28, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Programmer Calculator | HASEWERK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (32 ratings)](https://appshunter.io/ios/app/programmer-calculator-dev/id1624892520/reviews)** | — |
| Number of ratings | **32** | — |
| Positive reviews | 42.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 21 months |
| Monetization | Free with in-app purchases | — |
| Size | 5 MB | 29 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [永超 侯](https://appshunter.io/developer/906391544) | [Danny Patterson](https://appshunter.io/developer/1483109828) |

## 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 |


### HASEWERK

[App page](https://appshunter.io/ios/app/hasewerk/id6739499461)

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

**In-app purchases:** none


## Frequently asked questions

### Is Programmer Calculator free?

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

### Is HASEWERK free?

HASEWERK is free to download, with no in-app purchases.

### Do Programmer Calculator or HASEWERK have ads?

Neither Programmer Calculator nor HASEWERK shows ads.

### Which is updated more often, Programmer Calculator or HASEWERK?

Programmer Calculator ships an update fortnightly, and HASEWERK every 21 months. Most recently, Programmer Calculator was updated on September 28, 2026 and HASEWERK on September 10, 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.*