# IDrive Online Backup vs LentBook

The clearest difference is in-app purchases: LentBook at none against IDrive Online Backup's 10. LentBook also leads on update cadence (every 2 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. IDrive Online Backup sells 10 one-off in-app purchases. LentBook asks for nothing beyond the download.

IDrive Online Backup ships an update every 3 weeks, LentBook every 2 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | IDrive Online Backup | LentBook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (5K ratings)](https://appshunter.io/ios/app/idrive-online-backup/id427956708/reviews)** | — |
| Number of ratings | **5K** | — |
| Positive reviews | 40.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 111 MB | 56 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [IDrive Incorporated](https://appshunter.io/developer/295113649) | [KenisInternet](https://appshunter.io/developer/415567138) |

## What reviewers say

### IDrive Online Backup

[App page](https://appshunter.io/ios/app/idrive-online-backup/id427956708)

Securely back up and sync your mobile data with private key encryption for maximum security. Access your files from anywhere, on any device, and share them easily. Protect photos and videos automatically as they are taken.

**Highlights:** Private key encryption, Backup and restore contacts, photos, videos, calendars, Sync files across devices, Access data from anywhere, Selective backup and restore, Share files and folders securely, Automatic photo/video upload

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IDrive Pro Mobile | $0.99 | one-time |
| IDrive 100GB at $2.99 | $2.99 | one-time |
| IDrive 100GB at $3.99 | $3.99 | one-time |
| IDrive Mobile Unlimited | $4.99 | one-time |
| IDrive 500GB at $9.99 | $9.99 | one-time |
| IDrive 1TB at $14.99 | $14.99 | one-time |
| IDrive 1TB at $15.99 | $15.99 | one-time |
| IDrive 2TB at $54.99 | $54.99 | one-time |
| IDrive 1TB at $59.99 | $59.99 | one-time |
| IDrive 5TB at $59.99 | $59.99 | one-time |

**What reviewers like**

- 👍 Simple and efficient
- 🚀 Great backup solution
- 🔒 Secure backup
- 💰 Affordable pricing

**What reviewers complain about**

- 🐛 Buggy app, crashes frequently
- 🔍 Difficult to navigate and find backed up files
- 🔋 Drains battery when running in the background
- 🤖 Poor customer support

**Reported bugs**

- App crashes when trying to access backed up data
- Inconsistent backup progress reporting
- Fails to backup all photos and videos
- Sync issues between devices

**Requested features**

- Add option to view backed up files in folder structure
- Improve upload and download speeds
- Allow background uploads without pausing
- Add facial recognition and photo organization features


### LentBook

[App page](https://appshunter.io/ios/app/lentbook/id6779988846)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IDrive Online Backup free?

IDrive Online Backup is free to download, with in-app purchases available.

### Is LentBook free?

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

### Do IDrive Online Backup or LentBook have ads?

Neither IDrive Online Backup nor LentBook shows ads.

### Which is updated more often, IDrive Online Backup or LentBook?

IDrive Online Backup ships an update every 3 weeks, and LentBook every 2 days. Most recently, IDrive Online Backup was updated on November 1, 2026 and LentBook on October 31, 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.*