# Caffeine Log vs Sthenos

The clearest difference is price: Caffeine Log at $0.99 against Sthenos's $3.99. Caffeine Log also leads on iOS requirement (13.0 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

Caffeine Log costs $0.99 and Sthenos $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Caffeine Log | Sthenos |
| --- | --- | --- |
| Price | **$0.99** | $3.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 11 days |
| Size | 2 MB | 5 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Simge Ceylan Akyuz](https://appshunter.io/developer/1468643938) | [Georgios Stavropoulos](https://appshunter.io/developer/1792154671) |

## What reviewers say

### Caffeine Log

[App page](https://appshunter.io/ios/app/caffeine-log-intake-tracker/id6760827782)

**Features:** Apple Watch app

**In-app purchases:** none


### Sthenos

[App page](https://appshunter.io/ios/app/sthenos/id6760965966)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Caffeine Log free?

Caffeine Log costs $0.99, with no in-app purchases.

### Is Sthenos free?

Sthenos costs $3.99, with no in-app purchases.

### Do Caffeine Log or Sthenos have ads?

Neither Caffeine Log nor Sthenos shows ads.

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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.*