Comparison

The Wolff Timer vs Tempo Interval

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

Head to head
About

The Wolff Timer

Features
Read full description

The Wolff Timer is a beautifully designed interval timer built for circuit training, HIIT, Tabata, and any workout that needs precise timing. SIMPLE & POWERFUL Set your work time, rest time, rounds, and sets. Tap start. That's it. No complicated menus, no subscriptions, no ads. LIVE ACTIVITY See your timer right on your Lock Screen and Dynamic Island. Always know what's coming next without unlocking your phone. WORKS WITH YOUR MUSIC Audio cues automatically lower your music volume during beeps, then restore it. Your Spotify, Apple Music, or podcasts keep playing. BACKGROUND RELIABLE The timer keeps running accurately even when your phone is locked or you're using other apps. Never miss a transition. PERFECT FOR • Circuit training • HIIT workouts • Tabata protocols • Boxing rounds • CrossFit WODs • Yoga flows • Any interval-based training FEATURES • Customizable work and rest intervals • Multiple sets with rest between sets • Live Activity on Lock Screen & Dynamic Island • Audio cues that respect your music • Clean, distraction-free interface • No account required • No subscription • No ads Built by someone who actually uses it.

About

Tempo Interval

This interval timer app offers guided routines for mobility, breathwork, and automatic training logs. It features lock screen control and subtle haptic feedback for seamless workouts. Enjoy customizable sound modes and privacy with no account or data collection.

Highlights
  • Interval timer with customizable cycles
  • Built-in mobility and breathwork routines
  • Automatic training log with streak tracking
  • Lock screen and Dynamic Island controls
  • Haptic feedback for phase changes
  • Multiple sound modes for different environments
Features
Read full description

Tempo is an interval timer with built-in mobility routines, breathwork, and an automatic training log. Set up a session in seconds, lock your phone, and let the timer run. WHAT'S INSIDE - Super Cycle — one interval repeated for N rounds - Cycle — work + rest, looped - Workout — guided bodyweight sequence - Flexibility + Mobility — joint mobility and recovery routines - Wind Down — a short breathing routine before sleep LOCK SCREEN + DYNAMIC ISLAND The timer runs as a Live Activity. Pause and resume from the lock screen or Dynamic Island without unlocking the phone or opening the app. SOUND + HAPTICS Subtle haptics on every phase change so you can train without looking at the screen. Three sound modes — Studio, Gym, Boxing — for different environments. Plays alongside Spotify and Apple Music without interrupting them. TRAINING LOG Every session you complete is logged automatically. Track your streak, see your last 28 days at a glance, and add workouts you did outside the app manually. DARK MODE Toggle in Settings. PRIVACY No accounts. No analytics. No data collection. Everything you log stays on your device. Tempo Interval — by Mehdi Naqvi.

Screenshots

The Wolff Timer2 screens
Tempo Interval4 screens

Verdict

The call

The clearest difference is update cadence: Tempo Interval at every 4 days against The Wolff Timer's every 3 weeks. On price, ads, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

The Wolff Timer ships an update every 3 weeks, Tempo Interval every 4 days. The most recent releases landed on September 30, 2026 and October 7, 2026 respectively.

Scorecard1 real difference · 9 level
The Wolff Timer versus Tempo Interval: the parameters behind the verdict, then further details
ParameterThe Wolff TimerTempo Interval
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 3 weeksEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad — betteriPhone
Requires iOS17.216.2 — better
Further details — not scored
Size3 MB2 MB
Age rating4+4+
DeveloperJimmi WolffMehdi Akbar Naqvi

In-app purchases

None

The Wolff Timer

No in-app purchases

None

Tempo Interval

No in-app purchases

Questions

Is The Wolff Timer free?
The Wolff Timer is free to download, with no in-app purchases.
Is Tempo Interval free?
Tempo Interval is free to download, with no in-app purchases.
Do The Wolff Timer or Tempo Interval have ads?
Neither The Wolff Timer nor Tempo Interval shows ads.
Which is updated more often, The Wolff Timer or Tempo Interval?
The Wolff Timer ships an update every 3 weeks, and Tempo Interval every 4 days. Most recently, The Wolff Timer was updated on September 30, 2026 and Tempo Interval on October 7, 2026.

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