# Ski Boot Review App vs Lactate Express

The clearest difference is in-app purchases: Ski Boot Review App at none against Lactate Express's 4. Ski Boot Review App also leads on iOS requirement (12.0 vs 17.5). Lactate Express's advantage is update cadence (every 3 weeks vs every 6 months). On price, ads and device support there is nothing between them.

Both are free to download. Lactate Express sells 4 in-app purchases, starting at $24.99 per month. Ski Boot Review App asks for nothing beyond the download.

Ski Boot Review App ships an update every 6 months, Lactate Express every 3 weeks. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Ski Boot Review App | Lactate Express |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 37.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | — | Subscription |
| Size | 18 MB | 135 MB |
| Requires iOS | **12.0** | 17.5 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [BootFitters](https://appshunter.io/developer/1277553552) | [COPAtec GmbH](https://appshunter.io/developer/890381257) |

## What reviewers say

### Ski Boot Review App

[App page](https://appshunter.io/ios/app/ski-boot-review-app/id1277553553)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Ski Boot Review App free?

Ski Boot Review App is free to download, with no in-app purchases.

### Is Lactate Express free?

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

### Do Ski Boot Review App or Lactate Express have ads?

Neither Ski Boot Review App nor Lactate Express shows ads.

### Which is updated more often, Ski Boot Review App or Lactate Express?

Ski Boot Review App ships an update every 6 months, and Lactate Express every 3 weeks. Most recently, Ski Boot Review App was updated on October 19, 2026 and Lactate Express on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*