# NerdCycle vs Rhythm

The clearest difference is ads: NerdCycle at none against Rhythm's shown. Rhythm's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. NerdCycle sells 2 in-app purchases, starting at $9.99 per year and Rhythm sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

NerdCycle ships an update weekly, Rhythm every 6 days. The most recent releases landed on October 31, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | NerdCycle | Rhythm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 6 days** |
| Size | 20 MB | 86 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [VLADO IVANKOVIC](https://appshunter.io/developer/1892304588) | [Lucas Obadia](https://appshunter.io/developer/1447668792) |

## What reviewers say

### NerdCycle

[App page](https://appshunter.io/ios/app/nerdcycle-period-tracker/id6761985145)

**Features:** Family Sharing, Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NerdCycle Premium | $9.99 | per year |
| NerdCycle Lifetime | $29.99 | one-time |


### Rhythm

[App page](https://appshunter.io/ios/app/rhythm-period-tracker/id6767194298)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rhythm Pro – Monthly | $3.99 | per month |
| Rhythm Pro – Annual | $24.99 | per year |


## Frequently asked questions

### Is NerdCycle free?

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

### Is Rhythm free?

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

### Do NerdCycle or Rhythm have ads?

Rhythm shows ads; NerdCycle does not.

### Which is updated more often, NerdCycle or Rhythm?

NerdCycle ships an update weekly, and Rhythm every 6 days. Most recently, NerdCycle was updated on October 31, 2026 and Rhythm on November 9, 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.*