# Programmer Calculator vs AirPass

The clearest difference is in-app purchases: AirPass at none against Programmer Calculator's 3. AirPass also leads on iOS requirement (11.0 vs 14.0). On price, ads and device support there is nothing between them.

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

## The numbers

| Metric | Programmer Calculator | AirPass |
| --- | --- | --- |
| 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 | — |
| Monetization | Free with in-app purchases | — |
| Size | 5 MB | 55 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [永超 侯](https://appshunter.io/developer/906391544) | [에스에이치네트웍스](https://appshunter.io/developer/1802543697) |

## 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 |


### AirPass

[App page](https://appshunter.io/ios/app/airpass/id6468759562)

**In-app purchases:** none


## Frequently asked questions

### Is Programmer Calculator free?

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

### Is AirPass free?

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

### Do Programmer Calculator or AirPass have ads?

Neither Programmer Calculator nor AirPass shows ads.

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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.*