# Nitro Swim vs Penances

The clearest difference is device support: Nitro Swim at 3 against Penances's 1. Nitro Swim also leads on iOS requirement (15.1 vs 18.6). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Nitro Swim ships an update every 5 weeks, Penances monthly. The most recent releases landed on October 6, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Nitro Swim | Penances |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/nitro-swim/id1483784349/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free | — |
| Size | 58 MB | 2 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nitro Swimming Bee Cave, LLC](https://appshunter.io/developer/1483784348) | [Attison](https://appshunter.io/developer/1877959013) |

## What reviewers say

### Nitro Swim

[App page](https://appshunter.io/ios/app/nitro-swim/id1483784349)

Track your swimmer's progress, view class schedules, and register for swimming lessons. Receive push notifications to stay updated on class availability and your child's development. Experience a unique approach to learning to swim.

**Highlights:** View class schedules, Check swimmer progress, Register for classes, Push notifications, Class availability updates

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Penances

[App page](https://appshunter.io/ios/app/penances/id6759302563)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Nitro Swim free?

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

### Is Penances free?

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

### Do Nitro Swim or Penances have ads?

Neither Nitro Swim nor Penances shows ads.

### Which is updated more often, Nitro Swim or Penances?

Nitro Swim ships an update every 5 weeks, and Penances monthly. Most recently, Nitro Swim was updated on October 6, 2026 and Penances on October 25, 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.*