# Lactate Express vs eval

The clearest difference is iOS requirement: eval at 15.0 against Lactate Express's 17.5. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Lactate Express sells 4 in-app purchases, starting at $24.99 per month and eval sells 3 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on August 16, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Lactate Express | eval |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 133 MB | 95 MB |
| Requires iOS | 17.5 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [COPAtec GmbH](https://appshunter.io/developer/890381257) | [eval:u Athlete Analytics UG (haftungsbeschränkt)](https://appshunter.io/developer/1827128791) |

## What reviewers say

### Lactate Express

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

**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 |


### eval

[App page](https://appshunter.io/ios/app/evalu/id6748707168)

This app acts as your digital cycling coach, transforming your training data into actionable insights. It helps you understand the meaning behind your performance metrics and guides your decisions on when to push harder or recover. Seamlessly integrates with popular fitness trackers and platforms.

**Highlights:** Interprets training session data, Provides guidance on exertion levels, Adapts training load to life factors, Tracks progress towards goals, Connects with Strava, Garmin, Apple Health, etc.

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| eval:u monthly subscription | $12.99 | per month |
| eval:u 6-months subscription | $69.99 | per 6 months |
| eval:u yearly subscription | $119.99 | per year |


## Frequently asked questions

### Is Lactate Express free?

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

### Is eval free?

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

### Do Lactate Express or eval have ads?

Neither Lactate Express nor eval shows ads.

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

Lactate Express ships an update every 3 weeks, and eval every 3 weeks. Most recently, Lactate Express was updated on August 16, 2026 and eval on September 14, 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.*