Comparison

HIIT Timer vs VoltTimer

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

Head to head
About

HIIT Timer

This app provides a simple interval timer for various high-intensity training styles like HIIT, Tabata, EMOM, and AMRAP. Track your workouts, maintain streaks, and save custom timer presets for easy access. It's designed for home or gym training and requires no account or subscription.

Highlights
  • HIIT & Tabata timer
  • EMOM interval training
  • AMRAP workout mode
  • Workout calendar tracking
  • Streak and stats tracking
  • Customizable presets
  • Smart workout reminders
Features
Read full description

A simple interval timer for HIIT, Tabata, EMOM, and AMRAP workouts. All features are free with ad support. No account. No subscription. No usage limits. ◆ Four workout modes 【HIIT】 Set your own work time, rest time, and rounds. Built for classic high-intensity interval training your way. 【Tabata】 The 20s-on / 10s-off × 8 protocol. One tap to start the original. 【EMOM (Every Minute On the Minute)】 Repeating one-minute intervals. Built for CrossFit, strength training, and conditioning sessions. 【AMRAP (As Many Rounds As Possible)】 Set a time cap and count your rounds. Push the limit. ◆ Keep your streak alive ・Calendar view of every workout day ・Daily streak counter to keep the momentum ・Monthly workout totals at a glance ◆ Save your favorites Save your most-used presets. One tap to start next time. ◆ Smart reminders Weekly reminders that gently push you back on track when you miss a session. ◆ Built to stay out of your way ・No account required. Open the app, set the timer, train ・No bloated features, no upsells, no data harvesting ◆ Made for ・Home HIIT and bodyweight workouts ・Tabata protocols, including custom variations ・Strength training intervals ・Running and cardio circuits ・Yoga and stretching session timing ・CrossFit-style EMOM and AMRAP WODs ・Functional fitness and conditioning No account. No subscription. Just set the timer and go.

About

VoltTimer

Features
Read full description

VoltTimer is a clean, no-distractions interval timer built for serious training. Set your work and rest intervals, hit start, and focus — VoltTimer handles the rest. Built for every training style: HIIT, Tabata, and circuit workouts Strength training with custom rest timers Custom presets for your go-to routines Features: Customizable work & rest intervals Audio + haptic phase alerts 5-second end-of-phase countdown warning Adjustable start delay to set up before the clock runs Color themes to match your style Simple enough for beginners. Powerful enough for athletes.

Screenshots

HIIT Timer4 screens
VoltTimer4 screens

Verdict

The call

The clearest difference is in-app purchases: HIIT Timer at none against VoltTimer's 1. HIIT Timer also leads on iOS requirement (15.0 vs 18.6). VoltTimer's advantage is ads (none vs shown). On price, update cadence 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. VoltTimer sells 1 one-off in-app purchase. HIIT Timer asks for nothing beyond the download.

UpkeepUpdate frequency

HIIT Timer ships an update every 2 weeks, VoltTimer every 3 weeks. Both last shipped on October 7, 2026.

Scorecard3 real differences · 5 level
HIIT Timer versus VoltTimer: the parameters behind the verdict, then further details
ParameterHIIT TimerVoltTimer
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyEvery 2 weeks — betterEvery 3 weeks
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better18.6
Further details — not scored
Size90 MB6 MB
Age rating4+4+
Developertsyk-appCherneyWerk LLC

In-app purchases

None

HIIT Timer

No in-app purchases

1 purchases

VoltTimer

One-time1
  • VoltTimer Pro$3.99

Questions

Is HIIT Timer free?
HIIT Timer is free to download, with no in-app purchases.
Is VoltTimer free?
VoltTimer is free to download, with in-app purchases available.
Do HIIT Timer or VoltTimer have ads?
HIIT Timer shows ads; VoltTimer does not.
Which is updated more often, HIIT Timer or VoltTimer?
HIIT Timer ships an update every 2 weeks, and VoltTimer every 3 weeks. Most recently, HIIT Timer was updated on October 7, 2026 and VoltTimer on October 7, 2026.

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