# LambLock vs Zentime

The clearest difference is review sentiment: Zentime at 88% against LambLock's 74%. LambLock's advantage is iOS requirement (16.0 vs 18.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. LambLock sells 11 in-app purchases, starting at $4.99 per month and Zentime sells 6 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on September 22, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | LambLock | Zentime |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (11 ratings)](https://appshunter.io/ios/app/lamblock-screen-time-control/id6478385605/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 74.1% of reviews | **88.2% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Weekly | Weekly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 174 MB | 72 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [KODO Inc.](https://appshunter.io/developer/1732661660) | [Ryunosuke Nagase](https://appshunter.io/developer/1506451599) |

## What reviewers say

### LambLock

[App page](https://appshunter.io/ios/app/lamblock-screen-time-control/id6478385605)

This app helps you regain control of your phone usage by blocking distracting applications. It offers a unique prompt system to curb impulsive scrolling and allows you to set limits on specific apps by time, day, or schedule. Gamified elements make the process engaging and rewarding.

**Highlights:** App blocking for problem apps, Customizable time and schedule limits, Deep-breath prompt for impulsive use, Gamified progress and rewards, Clean UI with animations, Reduces weekly screen time

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dream Sheep PRO (Lite) | $4.99 | per month |
| Dream Sheep PRO (1 Week) | $4.99 | per 7 days |
| Dream Sheep PRO (Lite) | $6.99 | per month |
| Dream Sheep PRO | $19.99 | per month |
| Dream Sheep PRO (Lite) | $35.99 | per year |
| PRO | $39.99 | per year |
| Dream Sheep PRO | $39.99 | per year |
| Dream Sheep PRO(Lite) | $49.99 | per year |
| Dream Sheep PRO | $49.99 | per year |
| PRO | $79.99 | per year |
| Dream Sheep PRO | $79.99 | per year |


### Zentime

[App page](https://appshunter.io/ios/app/zentime-screen-time-control/id6748847369)

This app helps you regain focus by automatically locking applications after a set usage time. It enforces limits to prevent mindless scrolling and time-wasting, promoting calmer, more productive phone usage.

**Highlights:** Automatic app locking, Customizable usage timers, Enforced app limits, Reduces mindless scrolling, Promotes focused time

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zentime Pro | $3.99 | per month |
| Zentime Pro | $5.99 | per month |
| Zentime Pro | $19.99 | per year |
| Zentime Pro | $29.99 | per year |
| Zentime Pro | $59.99 | one-time |
| Zentime Pro | $99.99 | one-time |


## Frequently asked questions

### Is LambLock free?

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

### Is Zentime free?

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

### Do LambLock or Zentime have ads?

Both LambLock and Zentime show ads.

### Which is updated more often, LambLock or Zentime?

LambLock ships an update weekly, and Zentime weekly. Most recently, LambLock was updated on September 22, 2026 and Zentime on September 24, 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.*