# Selformer vs Tension Strength

The clearest difference is in-app purchases: Tension Strength at none against Selformer's 5. Selformer's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. Selformer sells 5 one-off in-app purchases. Tension Strength asks for nothing beyond the download.

Selformer ships an update every 5 weeks, Tension Strength monthly. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Selformer | Tension Strength |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (17 ratings)](https://appshunter.io/ios/app/tension-strength/id6757768830/reviews)** |
| Number of ratings | — | **17** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 370 MB | 38 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SELFORMER INC](https://appshunter.io/developer/1676921900) | [Tension LLC](https://appshunter.io/developer/1839798071) |

## What reviewers say

### Selformer

[App page](https://appshunter.io/ios/app/selformer/id6471579259)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Group Class | $45.00 | one-time |
| Private Video Room | $45.00 | one-time |
| Duet Video Room | $90.00 | one-time |
| Private Session/ Instructor | $129.99 | one-time |
| Duet with Instructor | $184.99 | one-time |


### Tension Strength

[App page](https://appshunter.io/ios/app/tension-strength/id6757768830)

Easily browse and purchase class packs or membership options. View the schedule, filter classes by type, and manage your reservations to stay organized and committed to your fitness goals.

**Highlights:** Purchase class packs and memberships, View class schedule, Filter classes by type, Manage reservations, Track upcoming classes

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Selformer free?

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

### Is Tension Strength free?

Tension Strength is free to download, with no in-app purchases.

### Do Selformer or Tension Strength have ads?

Neither Selformer nor Tension Strength shows ads.

### Which is updated more often, Selformer or Tension Strength?

Selformer ships an update every 5 weeks, and Tension Strength monthly. Most recently, Selformer was updated on November 4, 2026 and Tension Strength on October 31, 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.*