# Strength Affect vs Campfire Sauna

The clearest difference is ads: Campfire Sauna at none against Strength Affect's shown. Strength Affect's advantage is iOS requirement (14.0 vs 16.4). On price, update cadence, in-app purchases and device support there is nothing between them.

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

Strength Affect ships an update every 3 months, Campfire Sauna every 2 months. The most recent releases landed on September 10, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Strength Affect | Campfire Sauna |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 123 MB | 121 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Apx Training Systems LLC](https://appshunter.io/developer/1797538828) | [Sutra Fitness, Inc.](https://appshunter.io/developer/914371834) |

## What reviewers say

### Strength Affect

[App page](https://appshunter.io/ios/app/strength-affect/id6742237607)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Campfire Sauna

[App page](https://appshunter.io/ios/app/campfire-sauna/id6756029393)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Strength Affect free?

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

### Is Campfire Sauna free?

Campfire Sauna is free to download, with no in-app purchases.

### Do Strength Affect or Campfire Sauna have ads?

Strength Affect shows ads; Campfire Sauna does not.

### Which is updated more often, Strength Affect or Campfire Sauna?

Strength Affect ships an update every 3 months, and Campfire Sauna every 2 months. Most recently, Strength Affect was updated on September 10, 2026 and Campfire Sauna on September 24, 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.*