# Cala vs LockTimer

The clearest difference is update cadence: LockTimer at every 2 days against Cala's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Cala sells 2 in-app purchases, starting at $7.99 per month and LockTimer sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Cala ships an update every 2 months, LockTimer every 2 days. The most recent releases landed on September 29, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Cala | LockTimer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Size | 26 MB | 5 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Spark Digital Incorporated](https://appshunter.io/developer/1875625754) | [Mishima Design](https://appshunter.io/developer/373060551) |

## What reviewers say

### Cala

[App page](https://appshunter.io/ios/app/cala-app-blocker-screen-time/id6761075944)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cala Pro — Monthly | $7.99 | per month |
| Cala Pro — Yearly | $59.99 | per year |


### LockTimer

[App page](https://appshunter.io/ios/app/locktimer/id6787617957)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LockTimer Pro Monthly | $3.99 | per month |
| LockTimer Pro Yearly | $39.99 | per year |
| LockTimer Pro Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is Cala free?

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

### Is LockTimer free?

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

### Do Cala or LockTimer have ads?

Neither Cala nor LockTimer shows ads.

### Which is updated more often, Cala or LockTimer?

Cala ships an update every 2 months, and LockTimer every 2 days. Most recently, Cala was updated on September 29, 2026 and LockTimer on September 20, 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.*