# IntervalTimer(x) vs Kim

The clearest difference is update cadence: Kim at every 3 days against IntervalTimer(x)'s every 3 weeks. Kim also leads on iOS requirement (16.4 vs 18.1). On price, rating, ratings volume and ads there is nothing between them.

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 IntervalTimer(x) against 5.0 for Kim. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

IntervalTimer(x) ships an update every 3 weeks, Kim every 3 days. The most recent releases landed on September 17, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | IntervalTimer(x) | Kim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/intervaltimerx/id6745199760/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/kim-personal-health-assistant/id6763202025/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Free | Free |
| Size | 9 MB | 111 MB |
| Requires iOS | 18.1 | **16.4** |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [ShapeHaven Innovations LLC](https://appshunter.io/developer/1747127977) | [Oculi Medical](https://appshunter.io/developer/1895212624) |

## What reviewers say

### IntervalTimer(x)

[App page](https://appshunter.io/ios/app/intervaltimerx/id6745199760)

This app provides a customizable interval timer for workouts, focus sessions, and breaks. It offers audio cues, visual progress, and tracks workout history locally. Optional body metrics can be entered for calorie estimates, all stored securely on your device.

**Highlights:** Customizable work/rest/sets intervals, Audio cues for transitions, Workout history log, Local calorie estimates, Offline functionality, Siri Shortcuts integration

**Features:** macOS Compatibility

**In-app purchases:** none


### Kim

[App page](https://appshunter.io/ios/app/kim-personal-health-assistant/id6763202025)

This personal health assistant helps you understand what wellness practices work best for your body. Log your sleep, workouts, food, mood, and habits, then ask questions via voice or chat to uncover personalized insights and patterns.

**Highlights:** Personal wellness experiments, Recovery and wellness pattern insights, Voice and chat interaction, Apple Health integration, Mood, sleep, exercise, and habit tracking, Supplement and food logging, Source-backed answers

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is IntervalTimer(x) free?

IntervalTimer(x) is free to download, with no in-app purchases.

### Is Kim free?

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

### Which has better reviews, IntervalTimer(x) or Kim?

IntervalTimer(x) and Kim are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do IntervalTimer(x) or Kim have ads?

Neither IntervalTimer(x) nor Kim shows ads.

### Which is updated more often, IntervalTimer(x) or Kim?

IntervalTimer(x) ships an update every 3 weeks, and Kim every 3 days. Most recently, IntervalTimer(x) was updated on September 17, 2026 and Kim on October 2, 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.*