# AppLock vs IDM Smart Tech

The clearest difference is ads: IDM Smart Tech at none against AppLock's shown. IDM Smart Tech also leads on update cadence (every 4 days vs every 5 months). AppLock's advantage is iOS requirement (13.0 vs 15.6). On price, 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.

AppLock ships an update every 5 months, IDM Smart Tech every 4 days. The most recent releases landed on October 22, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | AppLock | IDM Smart Tech |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (418 ratings)](https://appshunter.io/ios/app/applock-photo-lock/id1509154892/reviews)** | — |
| Number of ratings | **418** | — |
| Positive reviews | 32.5% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 4 days** |
| Monetization | Ad-supported | — |
| Size | 66 MB | 17 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [DoMobile Co., Ltd.](https://appshunter.io/developer/523576985) | [Shilpa Medala](https://appshunter.io/developer/1548426754) |

## What reviewers say

### AppLock

[App page](https://appshunter.io/ios/app/applock-photo-lock/id1509154892)

Securely hide your private photos and videos with a password, fingerprint, or face ID. This app offers a private browser with automatic history deletion, ensuring your sensitive media remains inaccessible to others.

**Highlights:** Hide photos, Hide videos, Password lock, Fingerprint lock, Face ID lock, Private browser

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🔒 Photo and video protection/locking functionality
- 👍 Easy to use interface
- 🌐 Private browser feature
- ✅ Effective security for sensitive content

**What reviewers complain about**

- 📢 Excessive and intrusive advertisements
- 💾 Data loss after uninstalling or phone reset
- 🔄 No cloud backup or account recovery system
- ❌ Misleading app description (claims app lock but only locks photos)
- 🐛 App crashes and freezes frequently

**Reported bugs**

- Photos and videos deleted after app uninstall
- Data loss after phone factory reset
- Data not recoverable when switching to new device
- Album selection not showing when locking photos
- App crashes and forces exit

**Requested features**

- Premium subscription option to remove ads
- Cloud backup and account recovery functionality
- iCloud integration for data persistence
- Fingerprint/biometric authentication instead of password
- Multi-tab private browser


### IDM Smart Tech

[App page](https://appshunter.io/ios/app/idm-smart-tech/id6748604839)

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

**In-app purchases:** none


## Frequently asked questions

### Is AppLock free?

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

### Is IDM Smart Tech free?

IDM Smart Tech is free to download, with no in-app purchases.

### Do AppLock or IDM Smart Tech have ads?

AppLock shows ads; IDM Smart Tech does not.

### Which is updated more often, AppLock or IDM Smart Tech?

AppLock ships an update every 5 months, and IDM Smart Tech every 4 days. Most recently, AppLock was updated on October 22, 2026 and IDM Smart Tech on October 8, 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.*