# Lapz vs Lactate Express

The clearest difference is review sentiment: Lapz at 100% against Lactate Express's 38%. Lapz also leads on monetization model (free with in-app purchases vs subscription). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Lapz sells 3 in-app purchases, starting at $0.99 per month and Lactate Express sells 4 in-app purchases, starting at $24.99 per month. Whichever you choose, the download price is not the number that matters.

Lapz ships an update every 2 weeks, Lactate Express every 3 weeks. The most recent releases landed on October 4, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Lapz | Lactate Express |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lapz-interval-timer/id1538356714/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **100.0% of reviews** | 37.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 7 MB | 133 MB |
| Requires iOS | **16.6** | 17.5 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Maximilian Trauboth](https://appshunter.io/developer/1460826471) | [COPAtec GmbH](https://appshunter.io/developer/890381257) |

## What reviewers say

### 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 |


### Lactate Express

[App page](https://appshunter.io/ios/app/lactate-express/id1671640113)

This app provides precise lactate step-test data capture and analysis for endurance athletes and performance diagnosticians. It computes thresholds using scientifically recognized models and generates clear training zones, eliminating the need for manual spreadsheets. Professional reports can be generated and shared easily.

**Highlights:** Lactate step-test data capture, Bluetooth sensor integration, Multiple threshold analysis models, Automatic training zone calculation, Branded PDF report generation, Test comparison and trend tracking, Athlete roster management

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Teams (Monthly) | $24.99 | per month |
| Professionals (1 Month) | $44.99 | per month |
| Teams (Yearly) | $250.00 | per year |
| Professionals (Yearly) | $399.00 | per year |


## Frequently asked questions

### Is Lapz free?

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

### Is Lactate Express free?

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

### Do Lapz or Lactate Express have ads?

Neither Lapz nor Lactate Express shows ads.

### Which is updated more often, Lapz or Lactate Express?

Lapz ships an update every 2 weeks, and Lactate Express every 3 weeks. Most recently, Lapz was updated on October 4, 2026 and Lactate Express on October 12, 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.*