# Caffeine EE vs Teisik

The clearest difference is update cadence: Teisik at every 6 weeks against Caffeine EE's every 37 months. Caffeine EE's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Caffeine EE ships an update every 37 months, Teisik every 6 weeks. The most recent releases landed on September 17, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Caffeine EE | Teisik |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 37 months | **Every 6 weeks** |
| Size | 27 MB | 95 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [KETURI KAMBARIAI UAB](https://appshunter.io/developer/669086015) | [Crabsec Ou](https://appshunter.io/developer/1793975659) |

## What reviewers say

### Caffeine EE

[App page](https://appshunter.io/ios/app/caffeine-ee/id1484664080)

**Features:** macOS Compatibility

**In-app purchases:** none


### Teisik

[App page](https://appshunter.io/ios/app/teisik/id6741383215)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Caffeine EE free?

Caffeine EE is free to download, with no in-app purchases.

### Is Teisik free?

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

### Do Caffeine EE or Teisik have ads?

Neither Caffeine EE nor Teisik shows ads.

### Which is updated more often, Caffeine EE or Teisik?

Caffeine EE ships an update every 37 months, and Teisik every 6 weeks. Most recently, Caffeine EE was updated on September 17, 2026 and Teisik on September 8, 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.*