# Kissa vs Guardian Study Room

The clearest difference is in-app purchases: Guardian Study Room at none against Kissa's 5. Guardian Study Room also leads on update cadence (daily vs fortnightly) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Kissa sells 5 in-app purchases, starting at $9.99 per 3 months. Guardian Study Room asks for nothing beyond the download.

Kissa ships an update fortnightly, Guardian Study Room daily. The most recent releases landed on October 29, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Kissa | Guardian Study Room |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Size | 232 MB | 34 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Christian Andrade](https://appshunter.io/developer/1462755823) | [Hyunwoo Lee](https://appshunter.io/developer/6778623322) |

## What reviewers say

### Kissa

[App page](https://appshunter.io/ios/app/kissa-cozy-focus-timer/id6808445372)

**Features:** macOS Compatibility, Family Sharing, iPhone Duo support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kissa Pro Quarterly | $9.99 | per 3 months |
| Kissa Pro Annual | $19.99 | per year |
| PRO Annualy Family | $24.99 | per year |
| PRO - Lifetime | $29.99 | one-time |
| PRO Family Lifetime | $39.99 | one-time |


### Guardian Study Room

[App page](https://appshunter.io/ios/app/guardian-study-room/id6819790497)

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

**In-app purchases:** none


## Frequently asked questions

### Is Kissa free?

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

### Is Guardian Study Room free?

Guardian Study Room is free to download, with no in-app purchases.

### Do Kissa or Guardian Study Room have ads?

Neither Kissa nor Guardian Study Room shows ads.

### Which is updated more often, Kissa or Guardian Study Room?

Kissa ships an update fortnightly, and Guardian Study Room daily. Most recently, Kissa was updated on October 29, 2026 and Guardian Study Room on October 26, 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.*