Interval Timer vs Interval Randomizer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Interval Timer
This app is a versatile interval timer designed for various training styles like Tabata and HIIT. It offers customizable workout parameters, voice guidance, and music ducking for an enhanced training experience. Save your custom workouts and track your progress.
- Customizable interval settings
- Voice assistant with text-to-speech
- Music ducking for audio integration
- Save custom workouts
- Tabata, Rounds, Stopwatch modes
- Apple Health integration
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Special timer for interval training. This Interval Timer offers: • Very intuitive interface. After installing this timer you need to press one button to start a tabata workout with classic settings. • Ability to set up prepare, work, rest, rest between sets, cool down time, number of cycles and sets. • Intervals can be configured individually. With this interval training timer you can create any interval workout with any sequence of intervals. • Voice assistant with text-to-speech. • Add descriptions to intervals that will be displayed on the timer screen and will be voiced. • Bright and nice colors. • Ability to lower the volume in your music player while playing the timer sounds (ducking). • List of your saved workouts. • NEW! Quick workout - setup your workout with fast and ease. The opportunity to display mode: - Tabata Protocol. - Rounds. - Stopwatch. - Intervals. Tabata is a form of high-intensity interval training (HIIT): • Workout hard for 20 seconds • Rest for 10 seconds • Complete 8 rounds It's time to train, good luck! Application supports Apple Health to track activity during workout. You can download the app for free. Further use requires a subscription. At our discretion, we may decide to offer you a free trial per the terms displayed in the app. Please note that: When opting for a subscription, you pay the fixed price for your country, which is displayed in the app. Payment will be charged to your Apple ID Account upon confirmation of purchase. Subscription automatically renews and free trial automatically converts into subscription unless auto-renewal is turned off at least 24 hours before the end of the current period. Your Account will be charged for renewal within 24 hours prior to the end of the current subscription period. You can manage your subscriptions and turn off auto-renewal by going to Account Settings after purchase. When canceling a subscription or a free trial, your subscription/free trial will stay active until the end of the current period. Auto-renewal will be disabled, but the current subscription will not be refunded. Terms of Use and Privacy Policy: https://docs.google.com/document/d/1FMzBsd_mSO69xuzkpOKljPPtxRMWMTzt2iGs6wJIhik
Interval Randomizer
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Train without falling into a predictable rhythm. Interval Randomizer creates changing work intervals inside the minimum and maximum range you choose. Set your timing, recovery and workout duration, then let every round develop differently. RANDOMIZED TRAINING - Random work intervals inside your selected range - Adjustable minimum and maximum work time - Custom recovery periods - Configurable total workout duration - Large live timer with clear work and recovery phases BUILT FOR SERIOUS TRAINING - HIIT workouts - Boxing and combat sports - Tabata sessions - MMA and martial arts conditioning - Sparring drills - Cardio and reaction training STAY CONSISTENT - Daily Challenges - Training streaks - XP and levels - Coins and rewards - Session statistics - Training-minute tracking - Save your favorite workout setups FAST DURING A WORKOUT The main controls stay visible so you can change your workout without digging through menus. Clear colors identify work, recovery, timing and progress at a glance. MADE FOR IPHONE AND IPAD Interval Randomizer includes dedicated layouts for iPhone and iPad, giving each device the space and controls appropriate for training. The core timer and Daily Challenges are free. Optional advertising supports continued development, with an available upgrade to remove ads.
Screenshots
Verdict
The clearest difference is in-app purchases: Interval Randomizer at none against Interval Timer's 12. Interval Timer's advantage is iOS requirement (16.0 vs 18.2). 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. Interval Timer sells 12 in-app purchases, starting at $1.99 per month. Interval Randomizer asks for nothing beyond the download.
Interval Timer ships an update every 4 weeks, Interval Randomizer monthly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | Interval Timer | Interval Randomizer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (3.6K ratings) — better | — |
| Positive reviews | 66.5% of reviews | — |
| Number of ratings | 3.6K — better | — |
| Update frequency | Every 4 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Subscription | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.0 — better | 18.2 |
| Further details — not scored | ||
| Size | 243 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | HIIT Apps Sp. z o.o. | Hitfire Production AB |
Bugs and requests
Interval Timer
Reported bugs
3 issues- Workouts disappearing
- App crashes and freezes
- Timing issues with intervals
Requested features
4 requests- Apple Watch integration
- More customization options
- Additional audio cues and prompts
- Improved workout tracking and history
Interval Randomizer
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Interval Timer
- Intervals: monthly membership7 Days trial$1.991 Month
- Intervals: membership7 Days trial$3.993 Months
- Intervals: monthly membership$4.991 Month
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- Intervals: yearly membership$6.991 Year
- Intervals: yearly membership1 Year trial$9.991 Year
- Intervals: yearly membership7 Days trial$19.991 Year
- Intervals: yearly membership7 Days trial$24.991 Year
- Intervals: membership7 Days trial$24.991 Year
- Intervals | PRO version$14.99
- Intervals | Membership$14.99
- Intervals | Membership$34.99
Show 1 moreShow fewer
- Intervals | Membership$39.99
Interval Randomizer
No in-app purchases
Questions
Is Interval Timer free?
Is Interval Randomizer free?
Do Interval Timer or Interval Randomizer have ads?
Which is updated more often, Interval Timer or Interval Randomizer?
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