# ComposeTimer vs Jet Log

The clearest difference is price: ComposeTimer at Free against Jet Log's $5.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

ComposeTimer is free to download; Jet Log costs $5.99 up front. ComposeTimer sells 2 in-app purchases, starting at $0.49 per month and Jet Log sells 4 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ComposeTimer ships an update weekly, Jet Log every 5 days. The most recent releases landed on October 6, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ComposeTimer | Jet Log |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Every 5 days** |
| Size | 5 MB | 79 MB |
| Requires iOS | 18.2 | **17.0** |
| Devices | iPhone, iPad, Apple Watch | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [yugo takada](https://appshunter.io/developer/1623261547) | [Ryohei Horiuchi](https://appshunter.io/developer/1892078310) |

## What reviewers say

### ComposeTimer

[App page](https://appshunter.io/ios/app/composetimer/id6740627031)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly Plan | $0.49 | per month |
| Premium Yearly Plan | $2.99 | per year |


### Jet Log

[App page](https://appshunter.io/ios/app/jet-log-widget-pomodoro-timer/id6785190288)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Jet Log Plus Monthly | $1.99 | per month |
| Jet Log Plus Yearly | $9.99 | per year |
| Support the Developer | $1.99 | one-time |
| Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is ComposeTimer free?

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

### Is Jet Log free?

Jet Log costs $5.99, and also offers in-app purchases.

### Do ComposeTimer or Jet Log have ads?

Both ComposeTimer and Jet Log show ads.

### Which is updated more often, ComposeTimer or Jet Log?

ComposeTimer ships an update weekly, and Jet Log every 5 days. Most recently, ComposeTimer was updated on October 6, 2026 and Jet Log 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.*