# ShapeU vs Cycle Sync

The clearest difference is in-app purchases: ShapeU at none against Cycle Sync's 3. ShapeU also leads on iOS requirement (16.4 vs 18.2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Cycle Sync sells 3 in-app purchases, starting at $4.99 per 7 days. ShapeU asks for nothing beyond the download.

ShapeU ships an update every 10 days, Cycle Sync fortnightly. The most recent releases landed on October 15, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | ShapeU | Cycle Sync |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Fortnightly |
| Size | 65 MB | 55 MB |
| Requires iOS | **16.4** | 18.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Simeon Korchev](https://appshunter.io/developer/1891920578) | [Amit Kairon](https://appshunter.io/developer/1750611800) |

## What reviewers say

### ShapeU

[App page](https://appshunter.io/ios/app/shapeu/id6761880422)

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

**In-app purchases:** none


### Cycle Sync

[App page](https://appshunter.io/ios/app/cycle-sync-smart-menstruation/id6772445948)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CycleSync Pro — Weekly | $4.99 | per 7 days |
| CycleSync Pro | $9.99 | per month |
| CycleSync Pro | $59.99 | per year |


## Frequently asked questions

### Is ShapeU free?

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

### Is Cycle Sync free?

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

### Do ShapeU or Cycle Sync have ads?

Neither ShapeU nor Cycle Sync shows ads.

### Which is updated more often, ShapeU or Cycle Sync?

ShapeU ships an update every 10 days, and Cycle Sync fortnightly. Most recently, ShapeU was updated on October 15, 2026 and Cycle Sync on September 29, 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.*