# IREE 2025 vs DutiBook

The clearest difference is update cadence: DutiBook at weekly against IREE 2025's every 24 months. 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.

IREE 2025 ships an update every 24 months, DutiBook weekly. The most recent releases landed on September 9, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | IREE 2025 | DutiBook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Weekly** |
| Size | 50 MB | 56 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Evenuefy Inc.](https://appshunter.io/developer/1692988190) | [dutibook](https://appshunter.io/developer/1862069217) |

## What reviewers say

### IREE 2025

[App page](https://appshunter.io/ios/app/iree-2025/id6468872299)

**Features:** macOS Compatibility

**In-app purchases:** none


### DutiBook

[App page](https://appshunter.io/ios/app/dutibook/id6758032689)

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

**In-app purchases:** none


## Frequently asked questions

### Is IREE 2025 free?

IREE 2025 is free to download, with no in-app purchases.

### Is DutiBook free?

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

### Do IREE 2025 or DutiBook have ads?

Neither IREE 2025 nor DutiBook shows ads.

### Which is updated more often, IREE 2025 or DutiBook?

IREE 2025 ships an update every 24 months, and DutiBook weekly. Most recently, IREE 2025 was updated on September 9, 2026 and DutiBook on September 13, 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.*