# reason vs Cala

The clearest difference is update cadence: reason at every 10 days against Cala's every 2 months. Cala's advantage is iOS requirement (18.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. reason sells 2 in-app purchases, starting at $5.99 per month and Cala sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

reason ships an update every 10 days, Cala every 2 months. Both last shipped on October 28, 2026.

## The numbers

| Metric | reason | Cala |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/reason-limit-screen-time/id6759702524/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 months |
| Monetization | Freemium | — |
| Size | 6 MB | 26 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Woodruff](https://appshunter.io/developer/1880289863) | [Spark Digital Incorporated](https://appshunter.io/developer/1875625754) |

## What reviewers say

### reason

[App page](https://appshunter.io/ios/app/reason-limit-screen-time/id6759702524)

This app helps you regain control over your screen time by requiring you to state a reason and set a time limit before accessing distracting applications. It introduces a moment of friction to discourage mindless app usage and reduce overall phone engagement.

**Highlights:** App blocking, Reason-based access, Time limits, Reduces screen addiction, Discourages mindless usage

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reason Premium | $5.99 | per month |
| Reason Premium | $39.99 | per year |


### 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 |


## Frequently asked questions

### Is reason free?

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

### Is Cala free?

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

### Do reason or Cala have ads?

Neither reason nor Cala shows ads.

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

reason ships an update every 10 days, and Cala every 2 months. Most recently, reason was updated on October 28, 2026 and Cala on October 28, 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.*