# Fit4Kid vs Interval Timer

The clearest difference is review sentiment: Interval Timer at 97% against Fit4Kid's 35%. Interval Timer also leads on rating (4.9 vs 4.0) and ratings volume (389 vs 1). Fit4Kid's advantage is in-app purchases (none vs 12) and ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Interval Timer sells 12 in-app purchases, starting at $2.09 per month. Fit4Kid asks for nothing beyond the download.

Interval Timer holds the better App Store score, 4.9 against 4.0. That said, the two scores are not equally well evidenced: Interval Timer has 389 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 35% of Fit4Kid's written reviews are positive against 97% of Interval Timer's.

Fit4Kid ships an update every 2 months, Interval Timer monthly. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Fit4Kid | Interval Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/fit4kid/id1510531513/reviews) | **[4.9 (389 ratings)](https://appshunter.io/ios/app/interval-timer-tabata-and-hiit/id6443672034/reviews)** |
| Number of ratings | 1 | **389** |
| Positive reviews | 35.0% of reviews | **96.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 230 MB | 112 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Synergy Technologies Limited](https://appshunter.io/developer/1107824368) | [SimpleInnovation LLC](https://appshunter.io/developer/1479770962) |

## What reviewers say

### 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


### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-tabata-and-hiit/id6443672034)

This app provides a customizable interval timer for various training routines, including HIIT and Tabata. Easily set up custom workouts, track your progress, and stay motivated with visual cues and audio notifications. It's suitable for a wide range of activities from fitness to productivity.

**Highlights:** Customizable workout setup, Progress tracking with calendar, Saveable custom presets, Color-coded notifications, Listen to music/audiobooks, Large, full-screen display, Widget for easy access

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Timer PRO for 1 month: 30% OFF | $2.09 | per month |
| Timer PRO for 1 month: 25% OFF | $2.29 | per month |
| Interval Timer PRO for 1 month | $2.99 | per month |
| Interval Timer PRO for 1 month | $2.99 | per month |
| Interval Timer PRO - 30% OFF | $15.00 | per year |
| Interval Timer PRO - 25% OFF | $16.49 | per year |
| Interval Timer PRO for 1 year | $21.99 | per year |
| Tabata Timer PRO for 1 year | $21.99 | per year |
| Interval Timer - no Ads | $2.99 | one-time |
| HIIT Timer PRO Forever 30% OFF | $27.99 | one-time |
| HIIT Timer PRO Forever 25% OFF | $29.99 | one-time |
| Exercise Timer PRO Forever | $39.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 🚀 Intuitive interface
- 🔋 Doesn't drain battery
- 💪 Effective for interval training
- 📆 Tracks workout history

**What reviewers complain about**

- 🔔 Frequent prompts to rate the app
- 🔒 Concerns about data privacy and permissions
- 🔧 Limited customization options

**Reported bugs**

- Occasional app crashes
- Compatibility issues with older devices

**Requested features**

- More pre-designed workout routines
- Ability to name and customize exercises
- Option to adjust countdown time between intervals


## Frequently asked questions

### Is Fit4Kid free?

Fit4Kid is free to download, with no in-app purchases.

### Is Interval Timer free?

Interval Timer is free to download, with in-app purchases available.

### Which has better reviews, Fit4Kid or Interval Timer?

Interval Timer is rated higher. Fit4Kid averages 4.0 out of 5 from 1 ratings, while Interval Timer averages 4.9 from 389 ratings.

### Do Fit4Kid or Interval Timer have ads?

Interval Timer shows ads; Fit4Kid does not.

### Which is updated more often, Fit4Kid or Interval Timer?

Fit4Kid ships an update every 2 months, and Interval Timer monthly. Most recently, Fit4Kid was updated on October 24, 2026 and Interval Timer on October 27, 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.*