# DDeBook vs longlearndo

The clearest difference is update cadence: longlearndo at every 3 months against DDeBook's every 5 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.

DDeBook ships an update every 5 months, longlearndo every 3 months. The most recent releases landed on September 7, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | DDeBook | longlearndo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Size | 43 MB | 222 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Openserve Co.,Ltd.](https://appshunter.io/developer/479158615) | [CONICLE COMPANY LIMITED](https://appshunter.io/developer/979282578) |

## What reviewers say

### DDeBook

[App page](https://appshunter.io/ios/app/ddebook/id957285316)

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

**In-app purchases:** none


### longlearndo

[App page](https://appshunter.io/ios/app/longlearndo/id6469988063)

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

**In-app purchases:** none


## Frequently asked questions

### Is DDeBook free?

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

### Is longlearndo free?

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

### Do DDeBook or longlearndo have ads?

Neither DDeBook nor longlearndo shows ads.

### Which is updated more often, DDeBook or longlearndo?

DDeBook ships an update every 5 months, and longlearndo every 3 months. Most recently, DDeBook was updated on September 7, 2026 and longlearndo on September 17, 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.*