Interval Timer vs Fit4Kid
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Interval Timer
This app provides a customizable timer for high-intensity interval training (HIIT), Tabata, and other workout styles. It offers clear visual cues and sound notifications to guide users through work and rest periods, allowing them to focus on their exercise. Users can save routines, set reminders, and integrate with music playback.
- Customizable work and rest intervals
- Sound cues for phase transitions
- Background operation
- Landscape mode support
- Save custom routines
- Workout reminders
- Clear phase color indicators
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Set your work and rest intervals, press start, and focus on your workout. PureHIIT is a simple timer for HIIT, Tabata, EMOM, circuits, and boxing rounds. • Adjust work, rest, and round settings to suit your session. • Follow sound cues as you move from one phase to the next. • Keep listening to your music while you train. • Use the timer in the background or in landscape mode. • Start with a prebuilt routine or save your own. • Set workout reminders to help you keep a routine. Getting started is simple: choose a routine or set your intervals, check the number of rounds, and press start. Clear phase colors help you see when to work and when to rest. Free to download, with optional in-app purchases. Apple Watch features require Premium. On Apple Watch, the app integrates with Health to record heart rate and energy used. Make time for your next workout with PureHIIT. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Fit4Kid
This app helps children learn to tell time through interactive games and customizable watch faces. It also tracks activity like walking distance and sleep quality, integrating with iOS Health. Designed for durability and ease of use, it's a fun accessory for active kids.
- Learn to tell time
- Activity tracking (walking, sleep)
- Built-in games
- Customizable watch faces
- Water-resistant design
- iOS Health integration
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From tracking walking distance and monitoring the quality of your child’s sleep, to the built-in game, changeable watch face designs and much more, your little one will have endless fun while learning to tell the time. With a lightweight, water-resistant design and 1.3” TFT display that kids can easily navigate, this durable smart watch is the perfect accessory to keep up with on-the-go kids. Integrates with iOS Health App.
Screenshots
Verdict
The clearest difference is rating: Interval Timer at 4.8 against Fit4Kid's 4.0. Interval Timer also leads on review sentiment (73% vs 35%) and ratings volume (297 vs 1). Fit4Kid's advantage is in-app purchases (none vs 7) and ads (none vs shown). On price 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 7 in-app purchases, starting at $3.99 per month. Fit4Kid asks for nothing beyond the download.
Interval Timer holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: Interval Timer has 297 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 73% of Interval Timer's written reviews are positive against 35% of Fit4Kid's.
Interval Timer ships an update fortnightly, Fit4Kid every 2 months. The most recent releases landed on November 11, 2026 and November 3, 2026 respectively.
| Parameter | Interval Timer | Fit4Kid |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (297 ratings) — better | 4.0 (1 ratings) |
| Positive reviews | 73.3% of reviews — better | 35.0% of reviews |
| Number of ratings | 297 — better | 1 |
| Update frequency | Fortnightly — better | Every 2 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 45 MB | 232 MB |
| Age rating | +4 | 4+ |
| Developer | Miklos Pavel | Synergy Technologies Limited |
Customer experience
Interval Timer
Fit4Kid
Bugs and requests
Interval Timer
Reported bugs
2 issues- Advertisements still present after paying for removal
- App requires premium to start timer (recent change)
Requested features
8 requests- Remove the cap on rounds
- Add a background click feature (e.g., every second)
- More sound options
- Option for more than one workout
- Add a halfway beep
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- Add a countdown for the workout interval
- Beep once at 15 seconds for a 30-second workout interval
- Countdown the last 3 seconds of a workout interval
Fit4Kid
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Interval Timer
- Monthly$3.991 Month
- Yearly7 Days trial$19.991 Year
- Remove Ads$1.99
- Custom sounds$1.99
- Premium features$4.99
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- Premium features$9.99
- Premium features$14.99
Fit4Kid
No in-app purchases
Questions
Is Interval Timer free?
Is Fit4Kid free?
Which has better reviews, Interval Timer or Fit4Kid?
Do Interval Timer or Fit4Kid have ads?
Which is updated more often, Interval Timer or Fit4Kid?
Other comparisons
