# Interval Timer vs Lapz

The clearest difference is review sentiment: Lapz at 100% against Interval Timer's 0%. Lapz also leads on rating (5.0 vs 2.0) and update cadence (every 2 weeks vs every 34 months). Interval Timer's advantage is in-app purchases (none vs 3) and iOS requirement (8.0 vs 16.6). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Lapz sells 3 in-app purchases, starting at $0.99 per month. Interval Timer asks for nothing beyond the download.

Lapz holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 0% of Interval Timer's written reviews are positive against 100% of Lapz's.

Interval Timer ships an update every 34 months, Lapz every 2 weeks. The most recent releases landed on June 1, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Interval Timer | Lapz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/interval-timer-just-sw/id1208913244/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lapz-interval-timer/id1538356714/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 34 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 8 MB | 7 MB |
| Requires iOS | **8.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tony Peng](https://appshunter.io/developer/560451165) | [Maximilian Trauboth](https://appshunter.io/developer/1460826471) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-just-sw/id1208913244)

This app provides a customizable interval timer for High Intensity Interval Training (HIIT) and Tabata workouts. Easily set up your workout structure with custom sets, action times, and break times for any interval training routine.

**Highlights:** Customizable sets, Action time settings, Break time settings, HIIT training support, Tabata training support, Simple and easy to use

**Features:** macOS Compatibility

**In-app purchases:** none


### Lapz

[App page](https://appshunter.io/ios/app/lapz-interval-timer/id1538356714)

This app provides an intuitive and straightforward interval timer designed to enhance cardiovascular endurance training. It offers easy setup, reusable timers, and essential features for various sports and activities. An optional Pro version allows for advanced customization and sharing.

**Highlights:** Easy workout setup, Reusable saved timers, Essential training features, Dark mode support, Customizable interval workouts (Pro), Shareable workout routines (Pro)

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lapz Pro Monthly | $0.99 | per month |
| Lapz Pro Yearly | $9.99 | per year |
| Lapz Pro | $2.99 | one-time |


## Frequently asked questions

### Is Interval Timer free?

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

### Is Lapz free?

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

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

Lapz is rated higher. Interval Timer averages 2.0 out of 5 from 1 ratings, while Lapz averages 5.0 from 1 ratings.

### Do Interval Timer or Lapz have ads?

Neither Interval Timer nor Lapz shows ads.

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

Interval Timer ships an update every 34 months, and Lapz every 2 weeks. Most recently, Interval Timer was updated on June 1, 2026 and Lapz on September 24, 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.*