# Mushroom Identifier vs Contraction Timer

The clearest difference is in-app purchases: Mushroom Identifier at none against Contraction Timer's 1. Mushroom Identifier also leads on update cadence (every 4 days vs every 3 weeks) and iOS requirement (11.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Contraction Timer sells 1 one-off in-app purchase. Mushroom Identifier asks for nothing beyond the download.

Mushroom Identifier ships an update every 4 days, Contraction Timer every 3 weeks. The most recent releases landed on October 13, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Mushroom Identifier | Contraction Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Size | 40 MB | 3 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sumit Kukadiya](https://appshunter.io/developer/1693209615) | [SALEH MUSTAFA](https://appshunter.io/developer/1875062603) |

## What reviewers say

### Mushroom Identifier

[App page](https://appshunter.io/ios/app/mushroom-identifier/id6450563353)

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

**In-app purchases:** none


### Contraction Timer

[App page](https://appshunter.io/ios/app/contraction-timer-wavely/id6759206862)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Wavely Premium | $2.99 | one-time |


## Frequently asked questions

### Is Mushroom Identifier free?

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

### Is Contraction Timer free?

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

### Do Mushroom Identifier or Contraction Timer have ads?

Neither Mushroom Identifier nor Contraction Timer shows ads.

### Which is updated more often, Mushroom Identifier or Contraction Timer?

Mushroom Identifier ships an update every 4 days, and Contraction Timer every 3 weeks. Most recently, Mushroom Identifier was updated on October 13, 2026 and Contraction Timer on September 27, 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.*