# Programmer Calculator vs SottoPet

The clearest difference is in-app purchases: SottoPet at none against Programmer Calculator's 3. Programmer Calculator's advantage is iOS requirement (14.0 vs 16.4). On price, update cadence, ads and device support there is nothing between them.

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

Programmer Calculator ships an update fortnightly, SottoPet every 8 days. The most recent releases landed on October 11, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Programmer Calculator | SottoPet |
| --- | --- | --- |
| 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 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 5 MB | 51 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [永超 侯](https://appshunter.io/developer/906391544) | [Daichi Morita](https://appshunter.io/developer/1800860771) |

## 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 |


### SottoPet

[App page](https://appshunter.io/ios/app/sottopet/id6799579951)

**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 SottoPet free?

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

### Do Programmer Calculator or SottoPet have ads?

Neither Programmer Calculator nor SottoPet shows ads.

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

Programmer Calculator ships an update fortnightly, and SottoPet every 8 days. Most recently, Programmer Calculator was updated on October 11, 2026 and SottoPet on October 12, 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.*