# BathLog+ vs Caffeine Clock

The clearest difference is in-app purchases: BathLog+ at none against Caffeine Clock's 1. Caffeine Clock's advantage is update cadence (every 2 days vs every 9 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Caffeine Clock sells 1 one-off in-app purchase. BathLog+ asks for nothing beyond the download.

BathLog+ ships an update every 9 months, Caffeine Clock every 2 days. The most recent releases landed on September 9, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | BathLog+ | Caffeine Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 days** |
| Size | 17 MB | 6 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [Ai Kaneko](https://appshunter.io/developer/1631771254) | [kazunari aoki](https://appshunter.io/developer/6774180811) |

## What reviewers say

### BathLog+

[App page](https://appshunter.io/ios/app/bathlog-plus/id6737230733)

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

**In-app purchases:** none


### Caffeine Clock

[App page](https://appshunter.io/ios/app/caffeine-clock-bedtime/id6796871272)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Caffeine Clock Pro | $9.99 | one-time |


## Frequently asked questions

### Is BathLog+ free?

BathLog+ is free to download, with no in-app purchases.

### Is Caffeine Clock free?

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

### Do BathLog+ or Caffeine Clock have ads?

Neither BathLog+ nor Caffeine Clock shows ads.

### Which is updated more often, BathLog+ or Caffeine Clock?

BathLog+ ships an update every 9 months, and Caffeine Clock every 2 days. Most recently, BathLog+ was updated on September 9, 2026 and Caffeine Clock on September 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*