# Interval Timer vs Fit4Kid

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.

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.

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.

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

## The numbers

| Metric | Interval Timer | Fit4Kid |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (296 ratings)](https://appshunter.io/ios/app/interval-timer-purehiit/id1198752738/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/fit4kid/id1510531513/reviews) |
| Number of ratings | **296** | 1 |
| Positive reviews | **73.3% of reviews** | 35.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 45 MB | 230 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Miklos Pavel](https://appshunter.io/developer/979923367) | [Synergy Technologies Limited](https://appshunter.io/developer/1107824368) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-purehiit/id1198752738)

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:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Yearly | $19.99 | per year |
| Premium features | Free | one-time |
| Remove Ads | $1.99 | one-time |
| Custom sounds | $1.99 | one-time |
| Premium features | $4.99 | one-time |
| Premium features | $9.99 | one-time |
| Premium features | $14.99 | one-time |


### Fit4Kid

[App page](https://appshunter.io/ios/app/fit4kid/id1510531513)

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:** Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*