Random Timer vs Interval Randomizer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Random Timer
This app provides customizable timers for various training activities, including sprints, shadow boxing, and agility drills. Users can set time intervals, choose signal types, select sounds, and even use custom voice signals for solo workouts.
- Customizable time settings
- Choice of signal types
- Selectable sound options
- Add favorite words as signals
- Ideal for solo training
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Lets use for a dash, training of a shadow, or training of quick power and instantaneous power. Lets use as a signal when training alone. ・A setup of time can be performed. ・The kind of signal can be chosen. ・The kind of sound can be chosen. ・You can use to signal the favorite words. ーーーーーーーーーーーーーーーーーーーーーーーーーーーー ダッシュやシャドー,ペイントボールのトレーニング、または俊敏力、瞬発力のトレーニングに使ってみましょう。 一人でトレーニングする時の合図として利用しましょう。 ・時間設定ができるよ。 ・合図の種類が選べるよ。 ・音の種類が選べるよ。 ・好きな言葉を合図に追加できるよ。
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 update cadence: Interval Randomizer at monthly against Random Timer's every 7 months. Random Timer's advantage is iOS requirement (5.1.1 vs 18.2). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Random Timer ships an update every 7 months, Interval Randomizer monthly. The most recent releases landed on October 14, 2026 and October 6, 2026 respectively.
| Parameter | Random Timer | Interval Randomizer |
|---|---|---|
| Price | Free | Free |
| Rating | 1.7 (17 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 17 — better | — |
| Update frequency | Every 7 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 5.1.1 — better | 18.2 |
| Further details — not scored | ||
| Size | 9 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | 2ka | Hitfire Production AB |
In-app purchases
Random Timer
No in-app purchases
Interval Randomizer
No in-app purchases
Questions
Is Random Timer free?
Is Interval Randomizer free?
Do Random Timer or Interval Randomizer have ads?
Which is updated more often, Random Timer or Interval Randomizer?
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