Custom Interval Timers vs Intervals
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Custom Interval Timers
Design personalized interval timers for workouts or productivity. Its intuitive editor allows for custom flows with various settings like countdowns and personalized interfaces. Offers light/dark modes and an option to disable ads.
- Customizable interval flows
- Intuitive timer editor
- Count up or down timers
- Personalized running interface
- Light/dark mode
- Ad-free option
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Create highly customizable interval timers in a beautiful Interface. Interval timers are useful for exercise, like High-intensity interval training (HIIT) or Tabata, and can also be used to manage productivity, events, and more! This app provides a fascinatingly simple and intuitive editor for setting up your own custom timers. With just a few building blocks you can create the exact experience you want. Multiple settings to match your preferences: - Count up or down - Personalize the running interface to show what matters to you - Light/dark mode - Disable ads for free!
Intervals
Design custom interval training routines for high-intensity workouts. This free timer app offers large, clear visuals and audible cues for seamless transitions between exercises. It's ideal for home or outdoor fitness sessions, including Tabata and yoga.
- Custom interval workout creation
- Large font and contrasting colors
- Audible interval transition cues
- Supports Tabata and yoga workouts
- No account or personal data required
- Offline workout storage
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Use HIIT Builder Lite as a free interval timer to manage your High Intensity Interval Training to maximize your fitness. Create custom interval workouts to energize your personal training. The workout is stored on your device. There is no need to create an account. We don’t ask for any personal health data. HIIT Builder Lite is a great interval training app for home workouts or workouts at the park. You can create Tabata workouts or any HIIT workout of your choice. The ability to customize any interval workout to your needs allows you to take control of your fitness using HIIT Builder Lite as an interval timer for high intensity interval training. HIIT Builder Lite can also be used for custom yoga and other custom movement workouts. HIIT Builder Lite uses large fonts and contrasting colors to make it easy to see where you are in an exercise in your interval workout. Interval transitions are easy to see on the user interface. The app also rings bells when switching from one workout interval to the next workout interval. Each interval workout can be completely customized. You can have each exercise interval be the same length or you can modify each interval’s length to get exactly what you need from the exercise. Create as many interval workouts as you want. Download HIIT Builder Lite for a free interval timer. Thoughts, concerns, suggestions? We're always trying to improve. Please email us at info@hiitbuilderapp.com
Screenshots
Verdict
The clearest difference is ratings volume: Custom Interval Timers at 14 against Intervals's 2. Intervals's advantage is iOS requirement (12.1 vs 15.1). On price, rating, update cadence and ads 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.
On the App Store both sit at effectively the same score — 5.0 for Custom Interval Timers against 5.0 for Intervals. That said, the two scores are not equally well evidenced: Custom Interval Timers has 14 ratings behind it against 2, so its average is the more settled of the two.
Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.
| Parameter | Custom Interval Timers | Intervals |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (14 ratings) | 5.0 (2 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 14 — better | 2 |
| Update frequency | Every 4 months | Every 4 months |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 12.1 — better |
| Further details — not scored | ||
| Size | 40 MB | 15 MB |
| Age rating | 4+ | 12+ |
| Developer | Alex Rich | Curtis Wichern |
Customer experience
Custom Interval Timers
Intervals
In-app purchases
Custom Interval Timers
No in-app purchases
Intervals
No in-app purchases
Questions
Is Custom Interval Timers free?
Is Intervals free?
Which has better reviews, Custom Interval Timers or Intervals?
Do Custom Interval Timers or Intervals have ads?
Which is updated more often, Custom Interval Timers or Intervals?
Other comparisons
