# nitroxCalc vs Nitrox Helper

The clearest difference is in-app purchases: nitroxCalc at none against Nitrox Helper's 4. nitroxCalc also leads on iOS requirement (9.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Nitrox Helper sells 4 in-app purchases, starting at $0.99 per month. nitroxCalc asks for nothing beyond the download.

nitroxCalc ships an update every 18 months, Nitrox Helper every 9 months. The most recent releases landed on October 11, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | nitroxCalc | Nitrox Helper |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 9 months** |
| Size | 5 MB | 7 MB |
| Requires iOS | **9.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CAP-REL](https://appshunter.io/developer/1405536766) | [Robert O'Connell](https://appshunter.io/developer/1451300849) |

## What reviewers say

### nitroxCalc

[App page](https://appshunter.io/ios/app/nitroxcalc/id1408060704)

**Features:** macOS Compatibility

**In-app purchases:** none


### Nitrox Helper

[App page](https://appshunter.io/ios/app/nitrox-helper/id1451300850)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $0.99 | per month |
| Pro 6 Monthly | $5.99 | per 6 months |
| Pro Annual | $9.99 | per year |
| Pro Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is nitroxCalc free?

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

### Is Nitrox Helper free?

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

### Do nitroxCalc or Nitrox Helper have ads?

Neither nitroxCalc nor Nitrox Helper shows ads.

### Which is updated more often, nitroxCalc or Nitrox Helper?

nitroxCalc ships an update every 18 months, and Nitrox Helper every 9 months. Most recently, nitroxCalc was updated on October 11, 2026 and Nitrox Helper on October 24, 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.*