# Decaf AI vs StrengthBox

The clearest difference is update cadence: StrengthBox at every 2 days against Decaf AI's every 6 weeks. Decaf AI's advantage is iOS requirement (13.4 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Decaf AI sells 4 in-app purchases, starting at $9.99 per 7 days and StrengthBox sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Decaf AI ships an update every 6 weeks, StrengthBox every 2 days. The most recent releases landed on October 15, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Decaf AI | StrengthBox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/decaf-ai-caffeine-tracker/id6738422784/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 63 MB | 41 MB |
| Requires iOS | **13.4** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fearless Health LLC](https://appshunter.io/developer/1780780545) | [Innoveramera](https://appshunter.io/developer/1599090546) |

## What reviewers say

### Decaf AI

[App page](https://appshunter.io/ios/app/decaf-ai-caffeine-tracker/id6738422784)

This app helps you break free from caffeine dependence with a personalized, science-backed program. Track your intake, receive guidance, and improve sleep and energy levels for a healthier lifestyle.

**Highlights:** Personalized caffeine reduction plan, Log caffeine intake with photos, Progress tracking and insights, Guidance to quit caffeine, Improve sleep and reduce stress, Science-backed program

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Decaf Pro | $9.99 | per 7 days |
| Decaf Pro | $29.99 | per year |
| Decaf Pro | $49.99 | per year |
| Decaf Pro | $49.99 | per year |


### StrengthBox

[App page](https://appshunter.io/ios/app/strengthbox-workout-tracker/id6759178563)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Månad | $5.99 | per month |
| Årsplan | $39.99 | per year |


## Frequently asked questions

### Is Decaf AI free?

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

### Is StrengthBox free?

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

### Do Decaf AI or StrengthBox have ads?

Neither Decaf AI nor StrengthBox shows ads.

### Which is updated more often, Decaf AI or StrengthBox?

Decaf AI ships an update every 6 weeks, and StrengthBox every 2 days. Most recently, Decaf AI was updated on October 15, 2026 and StrengthBox 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.*