Challenge vs TsukiUsagi Timer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Challenge
This app helps you expand your comfort zone by offering over 80 diverse challenges. You can tackle them solo or with friends, customize existing ones, or create your own. Document your progress with images and notes, and set daily reminders to stay on track.
- 80+ diverse challenges
- Group challenges with friends
- Customize or create challenges
- Track and share progress
- Document journey with images/notes
- Daily reminders
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Expand Your Comfort Zone! Explore 80+ challenges with your friends or by your own. Adjust or create your own challenges and document your journey. Current Features: - Group Challenges - Connect with other users - 80+ Challenges in diverse categories - Customize or create your own Challenges - Track and share your progress - Documentation with images and notes - Create daily reminder Upcoming Features: - Timers - Score system - Video recording - GPS tracking - Challenge trailers Embark on a journey of self-discovery, break free from your comfort zone, and elevate your life! Challenge Icons by Freepik from www.flaticon.com
TsukiUsagi Timer
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When your focus starts to drift, the moon brings it back. TsukiUsagi Timer is a minimalist Pomodoro timer inspired by the quiet rhythm of the night. Start a focus session, take a gentle break, and write a short reflection to reset your mind. Features • Clean, distraction-free UI built with SwiftUI • Moon animation that marks your focus & break cycles • Pomodoro workflow with customizable durations • Subtle haptics and local notifications • Session history with brief reflections • English & Japanese localization • Private by design — no sign-in, no data collection Let the moon set the pace: focus, breathe, and return to center.
Screenshots
Verdict
The clearest difference is update cadence: TsukiUsagi Timer at every 9 days against Challenge's every 3 weeks. Challenge's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 18.5). On price, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Challenge ships an update every 3 weeks, TsukiUsagi Timer every 9 days. The most recent releases landed on October 21, 2026 and October 13, 2026 respectively.
| Parameter | Challenge | TsukiUsagi Timer |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 3 weeks | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 18.5 |
| Further details — not scored | ||
| Size | 59 MB | 15 MB |
| Age rating | 12+ | 4+ |
| Developer | Daniel Reimus | Kazumi Matsumoto |
In-app purchases
Challenge
No in-app purchases
TsukiUsagi Timer
No in-app purchases
Questions
Is Challenge free?
Is TsukiUsagi Timer free?
Do Challenge or TsukiUsagi Timer have ads?
Which is updated more often, Challenge or TsukiUsagi Timer?
Other comparisons
