Comparison

Mariabs · Interval Timer vs AmpHIIT

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

Head to head
About

Mariabs · Interval Timer

Features
Read full description

Mari is a sharp, minimal interval timer for anyone who trains in rounds — tabata, HIIT, EMOM, circuits, or your own custom intervals. Set your prepare, work, rest, cycles, blocks, and block-rest durations in seconds. Press the white play button. Mari counts you in, calls out each phase, and chimes the final 3-2-1 of every interval so you can keep your eyes on what you're doing instead of on the screen. WHAT YOU GET • Six adjustable parameters: prepare, work, rest, cycles per block, number of blocks, and rest between blocks • Voice cues for every transition: "Prepare", "Work", "Rest", and "Block complete — get ready for the next" • Distinct musical chimes per phase, generated on-device, synced with light haptics • 3-2-1 countdown ticks before each phase change • Big, monochrome timer dial with a subtle progress ring tinted to the current phase • Cycle and block progress shown at all times so you always know where you are • Plays over your music — Spotify, Apple Music, podcasts — and ducks them only when Mari speaks • Stays awake automatically while a workout is running • Settings remembered between launches DESIGNED TO STAY OUT OF THE WAY The screen is dark, glanceable from across a gym, and built around one button. There are no menus, no levels, no streaks, no badges, no analytics. You configure once, then press play. PRIVACY Mari collects nothing. No account. No email. No analytics. No tracking. Your settings stay on your device. The privacy policy is one page; you can read it before you tap install. NO ADS Mari has no ads, no in-app purchases, and no premium tier. No account required.

About

AmpHIIT

Features
Read full description

AmpHIIT is a simple, focused HIIT and Tabata interval timer built for fast workouts, circuit training, cardio sessions, and at-home exercise. Set your prepare, work, and rest times, choose the number of exercises, and let AmpHIIT guide your workout with clear visual phases, optional voice coaching, and countdown beeps. Whether you are doing Tabata rounds, bodyweight circuits, cardio intervals, stretching routines, or quick daily workouts, AmpHIIT keeps the timing easy so you can focus on moving. Features: • Custom prepare, work, and rest timers • Adjustable number of exercises • Clear workout phase display • Optional voice coaching • Optional countdown beeps • Clean, distraction-free interface • Simon Says workout mode • Screen-awake support during active workouts • Local settings saved on your device • No account required • No ads • No tracking • Optional Tip Jar using Apple In-App Purchase AmpHIIT is designed to be lightweight, private, and easy to use. There are no accounts, no subscriptions, no ads, and no third-party analytics. Your workout settings stay on your device. AmpHIIT is a fitness timer, not medical advice. Exercise within your limits and consult a qualified professional before starting a new workout program.

Screenshots

Mariabs · Interval Timer4 screens
AmpHIIT4 screens

Verdict

The call

The clearest difference is in-app purchases: Mariabs · Interval Timer at none against AmpHIIT's 3. Mariabs · Interval Timer also leads on device support (3 vs 1). On price, ads and iOS requirement 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. AmpHIIT sells 3 one-off in-app purchases. Mariabs · Interval Timer asks for nothing beyond the download.

Scorecard2 real differences · 4 level
Mariabs · Interval Timer versus AmpHIIT: the parameters behind the verdict, then further details
ParameterMariabs · Interval TimerAmpHIIT
PriceFreeFree
Update frequencyEvery 6 days—
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, Apple Watch — betteriPhone
Requires iOS16.2 — better17.6
Further details — not scored
Size4 MB7 MB
Age rating4+4+
DeveloperPER MAGNE HELSETHSteven Mayer

In-app purchases

None

Mariabs · Interval Timer

No in-app purchases

3 purchases

AmpHIIT

One-time3
  • AmpHIIT$0.99
  • AmpHIIT$1.99
  • AmpHIIT$3.99

Questions

Is Mariabs · Interval Timer free?
Mariabs · Interval Timer is free to download, with no in-app purchases.
Is AmpHIIT free?
AmpHIIT is free to download, with in-app purchases available.
Do Mariabs · Interval Timer or AmpHIIT have ads?
Neither Mariabs · Interval Timer nor AmpHIIT shows ads.

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