# Calmset vs Parallel Rest Timer

The clearest difference is in-app purchases: Parallel Rest Timer at none against Calmset's 1. Calmset's advantage is iOS requirement (16.2 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Calmset sells 1 one-off in-app purchase. Parallel Rest Timer asks for nothing beyond the download.

Calmset ships an update every 5 days, Parallel Rest Timer weekly. The most recent releases landed on September 13, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Calmset | Parallel Rest Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Size | 31 MB | 7 MB |
| Requires iOS | **16.2** | 18.0 |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [CANER OZBEK](https://appshunter.io/developer/1889911110) | [Remigiusz Herba](https://appshunter.io/developer/1688794004) |

## What reviewers say

### Calmset

[App page](https://appshunter.io/ios/app/calmset/id6761487790)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calmset Pro | $4.99 | one-time |


### Parallel Rest Timer

[App page](https://appshunter.io/ios/app/parallel-rest-timer/id6762067074)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Calmset free?

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

### Is Parallel Rest Timer free?

Parallel Rest Timer is free to download, with no in-app purchases.

### Do Calmset or Parallel Rest Timer have ads?

Neither Calmset nor Parallel Rest Timer shows ads.

### Which is updated more often, Calmset or Parallel Rest Timer?

Calmset ships an update every 5 days, and Parallel Rest Timer weekly. Most recently, Calmset was updated on September 13, 2026 and Parallel Rest Timer on September 18, 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.*