# OTA Programmer vs RSC Nitrox

The clearest difference is in-app purchases: OTA Programmer at none against RSC Nitrox's 3. OTA Programmer also leads on iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

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

## The numbers

| Metric | OTA Programmer | RSC Nitrox |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | — |
| Size | 24 MB | 8 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Head Watersports S.p.A.](https://appshunter.io/developer/1193522423) | [Yevgen Sukharenko](https://appshunter.io/developer/6783286955) |

## What reviewers say

### OTA Programmer

[App page](https://appshunter.io/ios/app/ota-programmer/id1600090033)

**Features:** Vision Pro support

**In-app purchases:** none


### RSC Nitrox

[App page](https://appshunter.io/ios/app/rsc-nitrox/id6788529267)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reef Snack | $0.99 | one-time |
| Air Fill | $2.99 | one-time |
| Dive Buddy | $4.99 | one-time |


## Frequently asked questions

### Is OTA Programmer free?

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

### Is RSC Nitrox free?

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

### Do OTA Programmer or RSC Nitrox have ads?

Neither OTA Programmer nor RSC Nitrox 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.*