Comparison

Intervals vs Stillr

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

Head to head
About

Intervals

Design personalized interval timers for workouts, study, or cooking. This minimalist app offers a clean interface, background operation, and customizable blocks with sounds and vibrations. Save and share your timer programs easily.

Highlights
  • Create unlimited custom timer programs
  • Multiple blocks with custom names, durations, and colors
  • Repeat counts for blocks or programs
  • Transition sounds and haptic feedback
  • Background operation and screen awake option
  • Export and import timer programs
  • Offline functionality
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 — even with the screen off. **Features** • Create unlimited custom timer programs • Add multiple blocks with custom names, durations, and colors • Set repeat counts for individual blocks or entire programs • Choose from multiple transition sounds • Haptic feedback for block transitions • Keep screen awake during sessions • Export and import your programs • Works offline — 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 iOS requirement: Stillr at 13.0 against Intervals's 15.0. On price, update cadence, 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

CostPrice · In-app purchases · Ads · 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 weekly, Stillr fortnightly. Both last shipped on October 31, 2026.

Scorecard1 real difference · 8 level
Intervals versus Stillr: the parameters behind the verdict, then further details
ParameterIntervalsStillr
PriceFreeFree
Rating4.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyWeekly — betterFortnightly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size49 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 weekly, and Stillr fortnightly. Most recently, Intervals was updated on October 31, 2026 and Stillr on October 31, 2026.

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