The Wolff Timer vs Strike Timer Interval Training
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
The Wolff Timer
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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.
Strike Timer Interval Training
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Strike Timer is a precision interval training app built for combat sports athletes and fitness enthusiasts. Create custom round timers with work/rest phases, voice coaching cues, and premium sound packs. Track your training history, sync workouts to Apple Health, and control your timer from your Apple Watch. Features: - Customizable round timers with work, rest, prep & cooldown phases - Built-in boxing, Muay Thai, Tabata & HIIT presets - Voice coaching cues (male & female) - Apple Watch companion app - Apple Health integration - Workout history & streak tracking - Premium sound effects - Custom color themes - Shake to pause — hands-free control No ads. No tracking. Just a better timer. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://striketimer.com/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: The Wolff Timer at none against Strike Timer Interval Training's 1. Strike Timer Interval Training's advantage is iOS requirement (15.1 vs 17.2). On price, update cadence, ads 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. Strike Timer Interval Training sells 1 in-app purchase, starting at $14.99 per year. The Wolff Timer asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on September 11, 2026.
| Parameter | The Wolff Timer | Strike Timer Interval Training |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad | iPhone, iPod, Apple Watch — better |
| Requires iOS | 17.2 | 15.1 — better |
| Further details — not scored | ||
| Size | 3 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | Jimmi Wolff | Shannon Kempenich |
In-app purchases
The Wolff Timer
No in-app purchases
Strike Timer Interval Training
- Strike Timer Pro$14.991 Year
Questions
Is The Wolff Timer free?
Is Strike Timer Interval Training free?
Do The Wolff Timer or Strike Timer Interval Training have ads?
Which is updated more often, The Wolff Timer or Strike Timer Interval Training?
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