# LambLock vs PopSpark

The clearest difference is iOS requirement: LambLock at 16.0 against PopSpark's 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 PopSpark sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

LambLock ships an update weekly, PopSpark every 9 days. The most recent releases landed on October 14, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | LambLock | PopSpark |
| --- | --- | --- |
| 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 | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | Free with in-app purchases | — |
| Size | 174 MB | 7 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [KODO Inc.](https://appshunter.io/developer/1732661660) | [TAKUMI TAMAKI](https://appshunter.io/developer/1827256931) |

## 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 |


### PopSpark

[App page](https://appshunter.io/ios/app/popspark/id6755963992)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PopSpark プレミアム | $0.99 | one-time |


## Frequently asked questions

### Is LambLock free?

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

### Is PopSpark free?

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

### Do LambLock or PopSpark have ads?

Both LambLock and PopSpark show ads.

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

LambLock ships an update weekly, and PopSpark every 9 days. Most recently, LambLock was updated on October 14, 2026 and PopSpark on October 1, 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.*