# T21 Compliance Checker vs Immersive Workout

The clearest difference is in-app purchases: T21 Compliance Checker at none against Immersive Workout's 2. Immersive Workout's advantage is update cadence (fortnightly vs every 3 months) and ratings volume (4 vs 1). On price, rating, ads and device support there is nothing between them.

Both are free to download. Immersive Workout sells 2 in-app purchases, starting at $4.99 per month. T21 Compliance Checker asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for T21 Compliance Checker against 5.0 for Immersive Workout. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

T21 Compliance Checker ships an update every 3 months, Immersive Workout fortnightly. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | T21 Compliance Checker | Immersive Workout |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/t21-compliance-checker/id6746288177/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/immersive-workout/id6755501310/reviews) |
| Number of ratings | 1 | **4** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | **Free** | Freemium |
| Size | 22 MB | 101 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Horizons  Companies](https://appshunter.io/developer/379258579) | [Vir Reality Labs, Inc](https://appshunter.io/developer/1690270289) |

## What reviewers say

### T21 Compliance Checker

[App page](https://appshunter.io/ios/app/t21-compliance-checker/id6746288177)

This survey app allows pre-approved individuals aged 18-20 to log details of tobacco purchase attempts. Users can record success, tactics used, and ID checks, with optional photo uploads to support findings. The data collected contributes to public health research on tobacco sales compliance.

**Highlights:** Log tobacco purchase attempt details, Record tactics and ID verification, Secure data submission, Optional photo upload, Contribute to public health research

**In-app purchases:** none


### Immersive Workout

[App page](https://appshunter.io/ios/app/immersive-workout/id6755501310)

Engage in fun, full-body games using your phone's camera as the controller. Move your body to play, with no extra equipment needed. Enjoy a workout that feels like play, with more games planned for the future.

**Highlights:** Full-body motion tracking, Camera-based controller, No extra equipment required, Interactive gaming experience, Workout disguised as fun, Multiple game modes

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Immersive Monthly | $4.99 | per month |
| Immersive Yearly | $24.99 | per year |


## Frequently asked questions

### Is T21 Compliance Checker free?

T21 Compliance Checker is free to download, with no in-app purchases.

### Is Immersive Workout free?

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

### Which has better reviews, T21 Compliance Checker or Immersive Workout?

T21 Compliance Checker and Immersive Workout are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do T21 Compliance Checker or Immersive Workout have ads?

Neither T21 Compliance Checker nor Immersive Workout shows ads.

### Which is updated more often, T21 Compliance Checker or Immersive Workout?

T21 Compliance Checker ships an update every 3 months, and Immersive Workout fortnightly. Most recently, T21 Compliance Checker was updated on October 16, 2026 and Immersive Workout on October 7, 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.*