# Lock Apps vs Grind Timer

The clearest difference is in-app purchases: Lock Apps at none against Grind Timer's 1. Grind Timer's advantage is ads (none vs shown) and update cadence (every 5 days vs every 3 months). On price and device support there is nothing between them.

Both are free to download. Grind Timer sells 1 in-app purchase, starting at $4.99 per month. Lock Apps asks for nothing beyond the download.

Lock Apps ships an update every 3 months, Grind Timer every 5 days. The most recent releases landed on September 17, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Lock Apps | Grind Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (14 ratings)](https://appshunter.io/ios/app/lock-apps-block-app/id6466579327/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | Ad-supported | — |
| Size | 18 MB | 110 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [嘉纯 赖](https://appshunter.io/developer/1646033246) | [Yuuki Nagata](https://appshunter.io/developer/1815690758) |

## What reviewers say

### Lock Apps

[App page](https://appshunter.io/ios/app/lock-apps-block-app/id6466579327)

This app helps you control and restrict the usage of other applications on your device. It offers privacy protection, time limits, and password security to prevent unauthorized access or changes.

**Highlights:** Privacy protection for sensitive content, Customized app usage restrictions, Limit app usage time, Prevent accidental deletion or downloads, Double password protection

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

**In-app purchases:** none


### Grind Timer

[App page](https://appshunter.io/ios/app/grind-timer/id6746191561)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan | $4.99 | per month |


## Frequently asked questions

### Is Lock Apps free?

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

### Is Grind Timer free?

Grind Timer is free to download, with in-app purchases available.

### Do Lock Apps or Grind Timer have ads?

Lock Apps shows ads; Grind Timer does not.

### Which is updated more often, Lock Apps or Grind Timer?

Lock Apps ships an update every 3 months, and Grind Timer every 5 days. Most recently, Lock Apps was updated on September 17, 2026 and Grind Timer on September 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*