# Dartalyzer vs Lactate Express

The clearest difference is iOS requirement: Dartalyzer at 14 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. Dartalyzer sells 2 in-app purchases, starting at $2.99 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.

Dartalyzer ships an update every 5 weeks, Lactate Express every 3 weeks. The most recent releases landed on September 8, 2026 and August 16, 2026 respectively.

## The numbers

| Metric | Dartalyzer | Lactate Express |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Size | 48 MB | 133 MB |
| Requires iOS | **14** | 17.5 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [daluapps GmbH](https://appshunter.io/developer/1445175098) | [COPAtec GmbH](https://appshunter.io/developer/890381257) |

## What reviewers say

### Dartalyzer

[App page](https://appshunter.io/ios/app/dartalyzer/id1481477822)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly subscription | $2.99 | per month |
| Premium annual subscription | $27.99 | per year |


### 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 |


## Frequently asked questions

### Is Dartalyzer free?

Dartalyzer 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 Dartalyzer or Lactate Express have ads?

Neither Dartalyzer nor Lactate Express shows ads.

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

Dartalyzer ships an update every 5 weeks, and Lactate Express every 3 weeks. Most recently, Dartalyzer was updated on September 8, 2026 and Lactate Express on August 16, 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.*