# Caffeine Tracker vs Selfish London

The clearest difference is price: Selfish London at Free against Caffeine Tracker's $4.99. Selfish London also leads on update cadence (every 3 weeks vs every 6 months) and iOS requirement (13.0 vs 15.1). On ads, in-app purchases and device support there is nothing between them.

Selfish London is free to download; Caffeine Tracker costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Caffeine Tracker ships an update every 6 months, Selfish London every 3 weeks. The most recent releases landed on October 17, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Caffeine Tracker | Selfish London |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Size | 28 MB | 75 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mobin Akhter](https://appshunter.io/developer/1812505286) | [B Selfish LTD](https://appshunter.io/developer/6792448678) |

## What reviewers say

### Caffeine Tracker

[App page](https://appshunter.io/ios/app/caffeine-tracker-halfcup/id6756392479)

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

**In-app purchases:** none


### Selfish London

[App page](https://appshunter.io/ios/app/selfish-london/id6792448676)

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

**In-app purchases:** none


## Frequently asked questions

### Is Caffeine Tracker free?

Caffeine Tracker costs $4.99, with no in-app purchases.

### Is Selfish London free?

Selfish London is free to download, with no in-app purchases.

### Do Caffeine Tracker or Selfish London have ads?

Neither Caffeine Tracker nor Selfish London shows ads.

### Which is updated more often, Caffeine Tracker or Selfish London?

Caffeine Tracker ships an update every 6 months, and Selfish London every 3 weeks. Most recently, Caffeine Tracker was updated on October 17, 2026 and Selfish London on October 29, 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.*