ComposeTimer vs Jet Log
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ComposeTimer
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Take control of your time. Enhance your productivity with efficient time management. This app is a flexible time management tool that allows you to easily create timers composed of multiple customizable parts. Each part offers the following features: •Add titles and descriptions to suit your needs •Adjust the duration freely •Toggle visibility or enable text-to-speech for titles and descriptions Perfect for various scenarios: •Pomodoro Timer: Boost your focus during study or work sessions •Training Timer: Stay on track with your exercise or training routines •Timekeeper: Manage presentations or events with ease The text-to-speech feature is especially useful in situations where you can’t keep your eyes on the screen. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Jet Log
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Jet Log is a tag-based time tracker you can run straight from your Home Screen widget. No need to open the app—just tap a tag on the widget to start or stop tracking, and record how you spend your time with zero friction. ■ Operate right from the widget Pick a tag and start, pause, or stop tracking—all on the Home Screen widget. Switch tabs inside the widget to check your records, weekly chart, and pie chart on the spot. ■ Organize with tags Sort your time with your own tags—Work, Study, Exercise, and more—each with a color and icon. See at a glance where your time goes. ■ Visualize your stats View weekly totals as a line or bar chart, and the breakdown for each period (today / this week / all time) as a pie chart. Per-tag breakdowns and a daily-average line are included too. ■ Sync across iPhone, Mac & Apple Watch Sign in with the same account and your tags, records, and settings sync automatically across every device. You can even start, stop, and review tracking entirely from your Apple Watch. ■ Manual entry & editing Add time manually after the fact, or edit and delete past records anytime. ■ Made to feel good - Customize the accent color and Light / Dark theme - Ambient background sound (BGM) to help you focus while tracking (iPhone / Mac) - No ads, no subscriptions For anyone who wants to rethink how they spend their time, or who's looking for a fast, simple time tracker. Start making your time visible today with Jet Log. Privacy Policy: https://ryoheihoriuchi0000.github.io/jetlog-privacy-en.md EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms of Service: See "Settings > Terms of Service" inside the app
Screenshots
Verdict
The clearest difference is ads: Jet Log at none against ComposeTimer's shown. On price, update cadence, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. ComposeTimer sells 2 in-app purchases, starting at $0.49 per month and Jet Log sells 1 one-off in-app purchase. 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 9, 2026 respectively.
| Parameter | ComposeTimer | Jet Log |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | Every 5 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Mac, Apple Watch — better |
| Requires iOS | 18.2 | 17.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 72 MB |
| Age rating | 4+ | 4+ |
| Developer | yugo takada | Ryohei Horiuchi |
In-app purchases
ComposeTimer
- Premium Monthly Plan$0.491 Month
- Premium Yearly Plan$2.991 Year
Jet Log
- Support the Developer$1.99









