# PDDBook ROOSSA vs Linland

The clearest difference is update cadence: Linland at every 3 days against PDDBook ROOSSA's every 34 months. PDDBook ROOSSA's advantage is iOS requirement (13.0 vs 15.1). 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.

PDDBook ROOSSA ships an update every 34 months, Linland every 3 days. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | PDDBook ROOSSA | Linland |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/linland/id6794839108/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 34 months | **Every 3 days** |
| Monetization | — | Free |
| Size | 110 MB | 33 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Andrey Polyak](https://appshunter.io/developer/1096736813) | [LUSINE BAGDASARYAN](https://appshunter.io/developer/6794839110) |

## What reviewers say

### PDDBook ROOSSA

[App page](https://appshunter.io/ios/app/pddbook-roossa/id1462274594)

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

**In-app purchases:** none


### Linland

[App page](https://appshunter.io/ios/app/linland/id6794839108)

Discover English language schools, explore class schedules, and book trial lessons. For existing students, access a personal account with homework, attendance tracking, and payment information. Manage multiple children's accounts easily.

**Highlights:** School information and class details, Free trial lesson booking, Personal student account, Homework and attendance tracking, Payment schedule and history, Multiple child account management

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

**In-app purchases:** none


## Frequently asked questions

### Is PDDBook ROOSSA free?

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

### Is Linland free?

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

### Do PDDBook ROOSSA or Linland have ads?

Neither PDDBook ROOSSA nor Linland shows ads.

### Which is updated more often, PDDBook ROOSSA or Linland?

PDDBook ROOSSA ships an update every 34 months, and Linland every 3 days. Most recently, PDDBook ROOSSA was updated on October 26, 2026 and Linland on October 24, 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.*