Runners Calculator vs Interval Timer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Runners Calculator
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A Calculator App for Runners "Calculator for Runners" is a specialized calculator app designed for time calculations. It allows you to quickly compute running pace, lap times, and estimated finish times. Use it to manage your pace during races or to plan your regular training sessions effectively!
Interval Timer
This app provides a highly customizable interval timer for various workout types, including HIIT, Tabata, and circuit training. It offers clear audio cues, background operation, and workout history tracking to help users structure their exercise sessions effectively.
- Customizable interval timers
- Full-screen color-coded display
- Audio cues and alerts
- Background operation
- Workout history and statistics
- Pre-set templates for routines
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The ultimate interval timer for HIIT, Tabata, Circuit Training, MMA, boxing, strength workouts, cardio sessions, stretching routines, and more. Designed to be simple, powerful, and reliable—whether you’re training at home, at the gym, or outdoors. Create fully customizable timers, stay focused with clear audio cues, and keep your workouts running smoothly in the background. Perfect for athletes, trainers, and anyone who wants a seamless way to structure work and rest periods. FEATURES: - Full-screen, color-coded display for easy visibility from any distance. - Templates for HIIT, Tabata, Circuit Training and other routines. - Combine multiple interval timers for complete workout control. - Voice cues and alerts that speak interval names. - Runs in the background while you use other apps or lock your device. - Playlist and music support during your workout. - Save your custom timers as reusable templates. - Continue listening to audio guides even when the app is minimized. CUSTOMIZABLE OPTIONS: - Number of sets - Work time and rest time - High and low intensity intervals - Warm-up and cool-down durations - Pause during rest - Auto-lock control - Timer sounds and volume - Rounds, cycles, and repeat counts - First interval selection (high or low) - New set sound or vibration alerts WORKOUT HISTORY & TRACKING: Automatically save your completed workouts. View detailed statistics and progress history. Repeat previous workouts without reconfiguring anything. SUBSCRIPTIONS & IN-APP PURCHASES: The app offers optional in-app purchases and subscription plans that unlock premium features and advanced customization options. Payment is charged to your Apple ID account at the time of purchase. Subscriptions renew automatically unless auto-renew is turned off at least 24 hours before the end of the current billing period. Your account will be charged for renewal within 24 hours before the current period ends. You can manage or cancel your subscription at any time from your App Store account settings. Any unused portion of a free trial will be forfeited once a subscription is purchased. Privacy Policy: https://intervally-app.web.app/privacy.html Terms of Use: https://intervally-app.web.app/terms.html
Screenshots
Verdict
The clearest difference is in-app purchases: Runners Calculator at none against Interval Timer's 5. Runners Calculator also leads on iOS requirement (12.0 vs 17.6). Interval Timer'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
Both are free to download. Interval Timer sells 5 in-app purchases, starting at $1.99 per month. Runners Calculator asks for nothing beyond the download.
Runners Calculator ships an update every 2 weeks, Interval Timer every 9 days. The most recent releases landed on September 22, 2026 and September 8, 2026 respectively.
| Parameter | Runners Calculator | Interval Timer |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.7 (3 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 2 weeks | Every 9 days — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, Apple Watch |
| Requires iOS | 12.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 30 MB | 59 MB |
| Age rating | 4+ | 4+ |
| Developer | Yudai Fukuda | AVA Consult |
In-app purchases
Runners Calculator
No in-app purchases
Interval Timer
- Pro Access - Monthly$1.991 Month
- Pro Access - Monthly3 Days trial$1.991 Month
- Pro Access - Yearly$9.991 Year
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- Pro Access - Yearly3 Days trial$9.991 Year
- Pro Access - Lifetime$19.99
Questions
Is Runners Calculator free?
Is Interval Timer free?
Do Runners Calculator or Interval Timer have ads?
Which is updated more often, Runners Calculator or Interval Timer?
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