Interval Timer Free vs Chameul In
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Interval Timer Free
This versatile timer app helps you achieve fitness and personal goals. Easily create custom timers for various workouts and activities, with options for multiple saved routines and visual customization.
- Customizable interval timers
- Save multiple workout routines
- Dark mode and themes
- Supports HIIT, Tabata, yoga, and more
- Optimized for study, work, and meditation
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Achieve your workouts and goals with this versatile Interval Timer app, which can be used for a variety of workouts and training sessions. Interval Timer - Workout & Tabata offers intuitive and powerful features to perfectly support your workouts and various routines. Key Features: Easy and Quick Interval Addition: Instantly create your own custom timer by easily setting exercise duration, rest periods, and number of sets. Manage Multiple Timers: Create and save multiple timers to easily switch between and manage various workout routines. Dark Mode and Various Themes: Dark mode supports eye relief, and various themes allow you to enjoy your workouts in your preferred mood. Optimized for All Exercises: Whether you're looking for HIIT, Tabata, circuit training, boxing, or yoga, this app is the perfect fit. Optimized for Various Activities: Whether you're studying, working, cooking, meditating, or stretching, this app is the perfect fit.
Chameul In
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When anger flares, trace 忍 and defeat it. Chameul In is a tiny game where you face anger as a monster. When the heat rises, summon the monster and defeat it by tracing the character 忍, stroke by stroke. ■ 忍 brush battle Pick how intense your anger is — a stronger monster appears. Trace 忍 accurately to break its momentum and take it down. ■ Bestiary of embers Each monster you defeat becomes an ember in your bestiary. The stronger the anger, the bigger the ember. ■ Entirely yours No account. No ads. No data collection. Everything stays on your device. Anger passes. Make the moment a round of 忍.
Screenshots
Verdict
The clearest difference is ads: Chameul In at none against Interval Timer Free's shown. Chameul In also leads on iOS requirement (13.0 vs 18.5). 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. Neither carries in-app purchases, so what you see is what you pay.
Interval Timer Free ships an update every 6 weeks, Chameul In every 3 weeks. The most recent releases landed on October 21, 2026 and October 7, 2026 respectively.
| Parameter | Interval Timer Free | Chameul In |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (7 ratings) — better | — |
| Number of ratings | 7 — better | — |
| Update frequency | Every 6 weeks | Every 3 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 18.5 | 13.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | HUJIN SHIN | Seongmin Yim |
In-app purchases
Interval Timer Free
No in-app purchases
Chameul In
No in-app purchases









