# LANDrop vs 错题本

The clearest difference is in-app purchases: LANDrop at none against 错题本's 2. LANDrop also leads on update cadence (every 5 days vs every 2 months) and ratings volume (148 vs 5). On price, rating, ads and device support there is nothing between them.

Both are free to download. 错题本 sells 2 in-app purchases, starting at $1.99 per month. LANDrop asks for nothing beyond the download.

LANDrop holds the better App Store score, 4.4 against 4.2. That said, the two scores are not equally well evidenced: LANDrop has 148 ratings behind it against 5, so its average is the more settled of the two.

LANDrop ships an update every 5 days, 错题本 every 2 months. The most recent releases landed on October 25, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | LANDrop | 错题本 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (148 ratings)](https://appshunter.io/ios/app/landrop/id1568444438/reviews)** | [4.2 (5 ratings)](https://appshunter.io/ios/app/id6448860597/reviews) |
| Number of ratings | **148** | 5 |
| Positive reviews | 68.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 months |
| Monetization | **Free** | Freemium |
| Size | 37 MB | 46 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SkyArc LLC](https://appshunter.io/developer/1744512094) | [深圳市美易网科技有限公司](https://appshunter.io/developer/1647736306) |

## What reviewers say

### LANDrop

[App page](https://appshunter.io/ios/app/landrop/id1568444438)

Easily transfer photos, videos, files, and text between devices on the same local network. Enjoy ultra-fast, secure, and uncompressed transfers without relying on internet data.

**Highlights:** Ultra-fast local network transfers, Secure file sharing with cryptography, No cellular data usage, No compression for photos/videos, Intuitive user interface, Discover devices on the same network

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and seamless file transfers
- 👍 Simple and intuitive user interface
- 🆓 Completely free with no subscriptions
- 🔒 Secure local network transfers without cloud
- 🌐 Cross-platform compatibility (iOS, Windows, Mac, Android, Linux)

**What reviewers complain about**

- 🐛 Frequent connection/detection issues between devices
- 🐛 iPhone to PC transfers often fail or timeout
- 💾 App retains excessive cache/storage data (20GB+ reported)
- 🔄 Version 2 breaks backward compatibility with version 1
- ⚠️ Requires both devices to stay awake during transfer

**Reported bugs**

- Cannot transfer files from iPhone to PC (Socket Exception errors)
- Device detection fails after app updates
- App freezes on photo selection screen
- Version 2.2.0 breaks device discovery
- Incompatibility with iOS 18 and iOS 26

**Requested features**

- Dark mode support
- Manual cache/file clearing option
- Batch file selection and transfer
- Live photo support
- Transfer pause/resume functionality


### 错题本

[App page](https://appshunter.io/ios/app/id6448860597)

This learning tool helps students and parents efficiently manage incorrect answers from homework and tests. It uses advanced technology to quickly capture, organize, and review mistakes, making studying smarter and more effective.

**Highlights:** Photo capture of incorrect answers, Automatic removal of handwriting, Subject-based categorization, Detailed breakdown of questions and solutions, Custom practice test generation, Daily review for targeted learning

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月 | $1.99 | per month |
| 连续包年 | $9.99 | per year |


## Frequently asked questions

### Is LANDrop free?

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

### Is 错题本 free?

错题本 is free to download, with in-app purchases available.

### Which has better reviews, LANDrop or 错题本?

LANDrop is rated higher. LANDrop averages 4.4 out of 5 from 148 ratings, while 错题本 averages 4.2 from 5 ratings.

### Do LANDrop or 错题本 have ads?

Neither LANDrop nor 错题本 shows ads.

### Which is updated more often, LANDrop or 错题本?

LANDrop ships an update every 5 days, and 错题本 every 2 months. Most recently, LANDrop was updated on October 25, 2026 and 错题本 on October 16, 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.*