Intervals vs Stillr
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Intervals
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Create custom, minimalist interval timers for any purpose: Whether you're timing workouts, meditation sessions, cooking, study blocks, or routines. **Build Interval Timer Programs** Create flexible programs with multiple blocks, each with its own name, duration, and color. Arrange them in any order, set repeat counts, and start your session with a single tap. **Simple & Minimalist** A clean, focused interface shows you exactly what you need: a large countdown, the current block, and simple controls without distractions. **Works in the Background** Start your timer and put your phone aside. You'll hear a sound and feel a vibration when blocks change โ even with the screen off. **Features** โข Create unlimited custom timer programs โข Add multiple blocks with custom names, durations, and colors โข Set repeat counts for individual blocks or entire programs โข Choose from multiple transition sounds โข Haptic feedback for block transitions โข Keep screen awake during sessions โข Export and import your programs โข Works offline โ no account required **Private by Design** No accounts. No ads. No tracking. All your data stays on your device.
Stillr
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Stillr is a calm pomodoro study timer for exam prep, homework and deep focus. Press start, pick a sound, and study - no account, no ads, no streak guilt. Whether you want to study with rain, work in quiet, or just need a simple tomato timer that stays out of your way, Stillr keeps it minimal. FOCUS SESSIONS - Classic pomodoro: 25-minute focus rounds with 5-minute breaks - Fully customizable focus and break lengths - Long-break cycles after a set number of rounds - Session progress dots - see how far you've come - Optional task label to keep each session on track - Gentle chime between focus and break STUDY WITH RAIN & CALM SOUNDS - Rain, forest, white noise or silence - Sounds keep playing through your whole session - Screen stays on while you study BUILT FOR STUDENTS & DEEP WORK - Perfect for exam prep, revision, homework sprints and writing - Distraction-free interface - nothing to tap, nothing to dismiss - Works completely offline - Helpful for anyone who finds it hard to start, including people with ADHD WHAT STILLR WILL NEVER DO - Ask how productive you felt after every session - Force you to set a goal before you begin - Push you to share your stats with strangers - Nag you with streak notifications - Show you ads or upsell screens YOUR STATS, YOUR DATA - See your weekly focus hours at a glance - Simple bar chart - no gamification, no comparisons - All data stored locally on your device - No account required. No cloud. Just you, a timer, and the work in front of you. Privacy Policy: https://erkarslan.github.io/privacy/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: Intervals at every 2 weeks against Stillr's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Intervals sells 1 one-off in-app purchase and Stillr sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Intervals ships an update every 2 weeks, Stillr every 6 weeks. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.
| Parameter | Intervals | Stillr |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks โ better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details โ not scored | ||
| Size | 55 MB | 69 MB |
| Age rating | 4+ | 4+ |
| Developer | SIMON RAYMOND SCHOEN | ARZU ARSLAN |
In-app purchases
Intervals
- Intervals Pro$4.99
Stillr
- Stillr Plus$2.99









