# LiftLab vs Z2/4×4 Trainer

The clearest difference is update cadence: LiftLab at weekly against Z2/4×4 Trainer's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. LiftLab sells 2 in-app purchases, starting at $29.99 per month and Z2/4×4 Trainer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

LiftLab ships an update weekly, Z2/4×4 Trainer every 3 weeks. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | LiftLab | Z2/4×4 Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (20 ratings)](https://appshunter.io/ios/app/liftlab-optimized-training/id6563138857/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | Subscription | — |
| Size | 60 MB | 5 MB |
| Requires iOS | **17.2** | 18.0 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Ozark Apps Development LLC](https://appshunter.io/developer/1659058545) | [Chenfei Chu](https://appshunter.io/developer/6776864992) |

## What reviewers say

### LiftLab

[App page](https://appshunter.io/ios/app/liftlab-optimized-training/id6563138857)

This app provides hyper-personalized strength training programs with advanced analytics and expert guidance. It uses cutting-edge technology to track performance, analyze form, and offer real-time adjustments to optimize workouts for better results.

**Highlights:** Hyper-personalized training programs, Real-time workout adjustments, Form and performance feedback, Velocity-based training, Comprehensive exercise library, Sleep, recovery, and stress tracking

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LiftLab Monthly Subscription | $29.99 | per month |
| LiftLab Yearly Subscription | $299.99 | per year |


### Z2/4×4 Trainer

[App page](https://appshunter.io/ios/app/z244-trainer/id6776864990)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Z2/4×4 Pro (Lifetime) | $14.99 | one-time |


## Frequently asked questions

### Is LiftLab free?

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

### Is Z2/4×4 Trainer free?

Z2/4×4 Trainer is free to download, with in-app purchases available.

### Do LiftLab or Z2/4×4 Trainer have ads?

Neither LiftLab nor Z2/4×4 Trainer shows ads.

### Which is updated more often, LiftLab or Z2/4×4 Trainer?

LiftLab ships an update weekly, and Z2/4×4 Trainer every 3 weeks. Most recently, LiftLab was updated on October 24, 2026 and Z2/4×4 Trainer on October 11, 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.*