# Buff vs Affection Decoder

The clearest difference is price: Buff at Free against Affection Decoder's $2.99. Buff also leads on update cadence (weekly vs every 2 months) and iOS requirement (16.0 vs 26.1). Affection Decoder's advantage is in-app purchases (none vs 10) and ads (none vs shown). On device support there is nothing between them.

Buff is free to download; Affection Decoder costs $2.99 up front. Buff sells 7 in-app purchases, starting at $12.99 per month. Affection Decoder asks for nothing beyond the download.

Buff ships an update weekly, Affection Decoder every 2 months. The most recent releases landed on September 28, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Buff | Affection Decoder |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.7 (26 ratings)](https://appshunter.io/ios/app/buff-manhood-testosterone/id6448877218/reviews)** | — |
| Number of ratings | **26** | — |
| Positive reviews | 74.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 105 MB | 4 MB |
| Requires iOS | **16.0** | 26.1 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Moxyzstudio](https://appshunter.io/developer/1746910739) | [Kari Sullivan](https://appshunter.io/developer/1865565878) |

## What reviewers say

### Buff

[App page](https://appshunter.io/ios/app/buff-manhood-testosterone/id6448877218)

This app helps men naturally boost testosterone levels by tracking sleep, hydration, nutrition, stress, sunlight, and exercise. It offers daily challenges, detailed stats, and scientific insights to improve energy, libido, and reduce anxiety. Unlock new avatars as you progress.

**Highlights:** Daily assessment of sleep, hydration, nutrition, stress, sunlight, and exercise, Detailed statistics to track progress, Scientific insights on testosterone production, Daily goal achievement tracking, Buffalo's encouragements and reminders, Evolving Buffalo avatar unlocks

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Features | $12.99 | per month |
| Premium Features | $12.99 | per month |
| Premium Features | $24.99 | per 3 months |
| Premium Features | $24.99 | per 3 months |
| Premium Features | $34.99 | per year |
| Premium Features | $34.99 | per year |
| Premium Features | $39.99 | per year |


### Affection Decoder

[App page](https://appshunter.io/ios/app/affection-decoder/id6758528239)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Buff free?

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

### Is Affection Decoder free?

Affection Decoder costs $2.99, with no in-app purchases.

### Do Buff or Affection Decoder have ads?

Buff shows ads; Affection Decoder does not.

### Which is updated more often, Buff or Affection Decoder?

Buff ships an update weekly, and Affection Decoder every 2 months. Most recently, Buff was updated on September 28, 2026 and Affection Decoder on September 23, 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.*