Comparison

Interval Timer vs Fit4Kid

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Interval Timer

This app provides a simple and customizable timer for interval training like HIIT, Tabata, and EMOM. It offers audio cues, background operation, and integrates with Apple Watch for health tracking. Pre-built routines and workout reminders help users stay consistent with their fitness goals.

Highlights
  • Customizable interval timer
  • Audio alerts for rounds
  • Background operation
  • Apple Watch integration
  • Workout reminders
  • Pre-built routines
Features
Read full description

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/

About

Fit4Kid

This app helps children learn to tell time through interactive games and features. It tracks activity like walking distance and sleep quality, with a durable, kid-friendly design. Integrates with iOS Health App.

Highlights
  • Time telling games
  • Activity tracking (walking, sleep)
  • Customizable watch faces
  • Durable, water-resistant design
  • iOS Health App integration
Features
Read full description

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

Interval Timer4 screens
Fit4Kid4 screens

Verdict

The call

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 (296 vs 1). Fit4Kid's advantage is in-app purchases (none vs 8) 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Interval Timer sells 8 in-app purchases, starting at $3.99 per month. Fit4Kid asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

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 296 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.

UpkeepUpdate frequency

Interval Timer ships an update fortnightly, Fit4Kid every 2 months. The most recent releases landed on October 12, 2026 and October 15, 2026 respectively.

Scorecard8 real differences · 2 level
Interval Timer versus Fit4Kid: the parameters behind the verdict, then further details
ParameterInterval TimerFit4Kid
PriceFreeFree
Rating4.8 (296 ratings) — better4.0 (1 ratings)
Positive reviews73.3% of reviews — better35.0% of reviews
Number of ratings296 — better1
Update frequencyFortnightly — betterEvery 2 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size45 MB230 MB
Age rating4+4+
DeveloperMiklos PavelSynergy Technologies Limited

Customer experience

Interval Timer

All ratings296 ratings
Positive95.9%
Neutral1.7%
Negative2.4%
Written reviews15 reviews
Positive73.3%
Neutral6.7%
Negative20.0%

Fit4Kid

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews20 reviews
Positive35.0%
Neutral10.0%
Negative55.0%

In-app purchases

8 purchases

Interval Timer

Subscriptions2
  • Monthly$3.991 Month
  • Yearly7 Days trial$19.991 Year
One-time6
  • Premium featuresFree
  • Remove Ads$1.99
  • Custom sounds$1.99
Show 3 more
  • Premium features$4.99
  • Premium features$9.99
  • Premium features$14.99
None

Fit4Kid

No in-app purchases

Questions

Is Interval Timer free?
Interval Timer is free to download, with in-app purchases available.
Is Fit4Kid free?
Fit4Kid is free to download, with no in-app purchases.
Which has better reviews, Interval Timer or Fit4Kid?
Interval Timer is rated higher. Interval Timer averages 4.8 out of 5 from 296 ratings, while Fit4Kid averages 4.0 from 1 ratings.
Do Interval Timer or Fit4Kid have ads?
Interval Timer shows ads; Fit4Kid does not.
Which is updated more often, Interval Timer or Fit4Kid?
Interval Timer ships an update fortnightly, and Fit4Kid every 2 months. Most recently, Interval Timer was updated on October 12, 2026 and Fit4Kid on October 15, 2026.

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