Tabata & HIIT Timer - PEAKVO2

Cristian Serb · Health & Fitness

5.0 4 ratings Free

Independent analytics for this App Store listing. AppTracker is not affiliated with Cristian Serb.

Chart standing · US

Not currently charting in this storefront.

What changed · US

Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.

Oct 9, 2026
New version 6.3.0 → 6.3.1

Small improvements.

Oct 7, 2026
New version 6.2.0 → 6.3.0
Sep 16, 2026
New version 6.1.1 → 6.2.0
Sep 9, 2026
New version 6.1.0 → 6.1.1
Sep 8, 2026
New version 6.0.2 → 6.1.0
Aug 29, 2026
New version 6.0.0 → 6.0.2
Aug 28, 2026
New version 5.4.2 → 6.0.0
Aug 26, 2026
Rating ★ 0 → 5
Aug 26, 2026
New version 4.3.1 → 5.4.2

Ratings breakdown · US

The star breakdown behind this app's rating in this storefront.

5★ 100% 4
4★ 0% 0
3★ 0% 0
2★ 0% 0
1★ 0% 0

In-app purchases · US

What this app sells inside itself, grouped by kind and priced for this storefront.

Subscriptions
Unlimited $0.99/ month
Unlimited $3.99/ month · 7-day free trial
Unlimited $4.99/ 3 months
Unlimited $11.99/ 6 months
Unlimited $8.99/ year
One-time purchases
Lifetime $17.99

Screenshots

About

PEAKVO2 is a VO2 max training app built around the interval protocols that actually move the needle: Norwegian 4x4, Tabata, HIIT 30/30, and more. Pick a workout, press start, and the app guides you through every phase: warm-up, work intervals, recovery, and cooldown. Why VO2 max? VO2 max is the single best predictor of cardiovascular fitness and long-term health. Improving it doesn't require guesswork, it requires the right intervals, done consistently. PEAKVO2 gives you both. What's included: 24 science-backed interval protocols, including the Norwegian 4x4, Tabata, and HIIT 30/30 Build your own custom interval workouts Color-coded workout timer with automatic phase transitions Activity tracking with streak, year in review, and training minutes Works with running, cycling, rowing, and indoor cardio Free to start. 4 workouts are yours forever — no strings attached. Unlock all protocols, custom workouts, and full activity tracking with a subscription or one-time lifetime purchase. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

What's new · 6.3.1

Small improvements.

Details

DeveloperCristian Serb
ReleasedDec 2024
UpdatedJul 2026
Version6.3.1
Size10.4 MB
RequiresiOS 18.0 or later
Age rating4+
LanguagesCzech, Danish, English, French, German, Hebrew, Indonesian, Italian, Japanese, Polish, Portuguese, Spanish
PriceFree
Categories Health & FitnessSports
Bundle IDcom.cristianserb.PEAKVO2