Comparison

Intervals vs Stillr

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

Intervals

Features
Read full description

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** โ€ข Create unlimited custom timer programs โ€ข Add multiple blocks with custom names, durations, and colors โ€ข Set repeat counts for individual blocks or entire programs โ€ข Choose from multiple transition sounds โ€ข Haptic feedback for block transitions โ€ข Keep screen awake during sessions โ€ข Export and import your programs โ€ข Works offline โ€” no account required **Private by Design** No accounts. No ads. No tracking. All your data stays on your device.

About

Stillr

Features
Read full description

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

Intervals4 screens
Stillr4 screens

Verdict

The call

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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.

UpkeepUpdate frequency

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.

Scorecard1 real difference ยท 5 level
Intervals versus Stillr: the parameters behind the verdict, then further details
ParameterIntervalsStillr
PriceFreeFree
Update frequencyEvery 2 weeks โ€” betterEvery 6 weeks
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details โ€” not scored
Size55 MB69 MB
Age rating4+4+
DeveloperSIMON RAYMOND SCHOENARZU ARSLAN

In-app purchases

1 purchases

Intervals

One-time1
  • Intervals Pro$4.99
1 purchases

Stillr

One-time1
  • Stillr Plus$2.99

Questions

Is Intervals free?
Intervals is free to download, with in-app purchases available.
Is Stillr free?
Stillr is free to download, with in-app purchases available.
Do Intervals or Stillr have ads?
Neither Intervals nor Stillr shows ads.
Which is updated more often, Intervals or Stillr?
Intervals ships an update every 2 weeks, and Stillr every 6 weeks. Most recently, Intervals was updated on October 7, 2026 and Stillr on October 15, 2026.

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