# Kissa vs Mosslock

The clearest difference is update cadence: Mosslock at every 4 days against Kissa's fortnightly. On price, ads, in-app purchases 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 and Mosslock sells 3 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Kissa ships an update fortnightly, Mosslock every 4 days. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Kissa | Mosslock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Size | 232 MB | 11 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Christian Andrade](https://appshunter.io/developer/1462755823) | [JIYULMOM](https://appshunter.io/developer/379186743) |

## 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 |


### Mosslock

[App page](https://appshunter.io/ios/app/mosslock-app-blocker-and-focus/id6818772977)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mosslock Pro Monthly | $5.99 | per month |
| Mosslock Pro Yearly | $29.99 | per year |
| Mosslock Pro Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Kissa free?

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

### Is Mosslock free?

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

### Do Kissa or Mosslock have ads?

Neither Kissa nor Mosslock shows ads.

### Which is updated more often, Kissa or Mosslock?

Kissa ships an update fortnightly, and Mosslock every 4 days. Most recently, Kissa was updated on October 29, 2026 and Mosslock on October 31, 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.*