# Trelk vs Iris Drive

The clearest difference is update cadence: Trelk at every 3 days against Iris Drive's every 5 weeks. Trelk also leads on iOS requirement (15.1 vs 17.0). 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.

Trelk ships an update every 3 days, Iris Drive every 5 weeks. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Trelk | Iris Drive |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 5 weeks |
| Size | 43 MB | 89 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Nuno Fonseca](https://appshunter.io/developer/445509383) | [Sirius Business Oy](https://appshunter.io/developer/6785410350) |

## What reviewers say

### Trelk

[App page](https://appshunter.io/ios/app/trelk-read-think-connect/id6761143849)

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

**In-app purchases:** none


### Iris Drive

[App page](https://appshunter.io/ios/app/iris-drive/id6785422241)

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

**In-app purchases:** none


## Frequently asked questions

### Is Trelk free?

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

### Is Iris Drive free?

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

### Do Trelk or Iris Drive have ads?

Neither Trelk nor Iris Drive shows ads.

### Which is updated more often, Trelk or Iris Drive?

Trelk ships an update every 3 days, and Iris Drive every 5 weeks. Most recently, Trelk was updated on October 25, 2026 and Iris Drive on October 28, 2026.

---

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