# App Lock vs Bac Bo Stat Master

The clearest difference is update cadence: App Lock at weekly against Bac Bo Stat Master's every 3 weeks. Bac Bo Stat Master's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. App Lock sells 1 one-off in-app purchase and Bac Bo Stat Master sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

App Lock ships an update weekly, Bac Bo Stat Master every 3 weeks. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | App Lock | Bac Bo Stat Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (265 ratings)](https://appshunter.io/ios/app/app-lock-invis-appblock/id1672223963/reviews)** | — |
| Number of ratings | **265** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | Freemium | — |
| Size | 29 MB | 38 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [亚娟 秦](https://appshunter.io/developer/1539395142) | [Manav Arora](https://appshunter.io/developer/6794551364) |

## What reviewers say

### App Lock

[App page](https://appshunter.io/ios/app/app-lock-invis-appblock/id1672223963)

Manage your screen time and enhance focus with intelligent app blocking and privacy protection. Create a private digital space, track usage, and set schedules to reduce distractions and build healthier digital habits.

**Highlights:** App blocking for privacy, Focus management and deep work sessions, Detailed app usage statistics, Smart scheduling of app blocking, System-level protection and control, Camouflage mode for dual identity, Privacy protection and data security

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Invis Pro Lifetime | $2.99 | one-time |

**What reviewers like**

- 👍 Free to use
- 🔒 Privacy protection
- 👍 Integrates with Screen Time
- 👍 Good experience overall
- 👍 Works well

**What reviewers complain about**

- 🐛 Apps disappear after hiding
- 🐛 Apps become unlocked automatically
- 🐛 White screen/freezing when adding apps
- 🐛 Subscription billing issues
- 🐛 App crashes/logs out of WhatsApp

**Reported bugs**

- Apps disappear after hiding
- Apps become unlocked automatically
- White screen/freezing when adding apps
- Subscription billing issues (unexpected charges)
- App crashes/logs out of WhatsApp

**Requested features**

- Fix apps disappearing after hiding
- Fix apps unlocking automatically
- Fix white screen/freezing when adding apps
- Address subscription billing and cancellation
- Resolve WhatsApp logout issue


### Bac Bo Stat Master

[App page](https://appshunter.io/ios/app/bac-bo-stat-master/id6802025156)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $9.99 | per month |
| Premium Yearly | $99.99 | per year |


## Frequently asked questions

### Is App Lock free?

App Lock is free to download, with in-app purchases available.

### Is Bac Bo Stat Master free?

Bac Bo Stat Master is free to download, with in-app purchases available.

### Do App Lock or Bac Bo Stat Master have ads?

Neither App Lock nor Bac Bo Stat Master shows ads.

### Which is updated more often, App Lock or Bac Bo Stat Master?

App Lock ships an update weekly, and Bac Bo Stat Master every 3 weeks. Most recently, App Lock was updated on October 27, 2026 and Bac Bo Stat Master on October 25, 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.*