# STRETCH LAB vs Immunocine App

The clearest difference is iOS requirement: Immunocine App at 13.4 against STRETCH LAB's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

STRETCH LAB ships an update every 3 weeks, Immunocine App every 2 weeks. The most recent releases landed on October 24, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | STRETCH LAB | Immunocine App |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 198 MB | 22 MB |
| Requires iOS | 16.0 | **13.4** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DKD HOLDINGS LTD](https://appshunter.io/developer/1465143837) | [IMMUNOCINE LLC](https://appshunter.io/developer/1770692755) |

## What reviewers say

### STRETCH LAB

[App page](https://appshunter.io/ios/app/stretch-lab/id1465143838)

Plan and schedule your appointments with ease. View class schedules, sign up for sessions, and access studio location information directly from your device. Optimize your time and maximize convenience.

**Highlights:** Schedule appointments, View class schedules, Sign up for classes, Access studio location, Mobile convenience

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

**In-app purchases:** none


### Immunocine App

[App page](https://appshunter.io/ios/app/immunocine-app/id6720720597)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is STRETCH LAB free?

STRETCH LAB is free to download, with no in-app purchases.

### Is Immunocine App free?

Immunocine App is free to download, with no in-app purchases.

### Do STRETCH LAB or Immunocine App have ads?

Neither STRETCH LAB nor Immunocine App shows ads.

### Which is updated more often, STRETCH LAB or Immunocine App?

STRETCH LAB ships an update every 3 weeks, and Immunocine App every 2 weeks. Most recently, STRETCH LAB was updated on October 24, 2026 and Immunocine App on October 4, 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.*