# Stillfin vs Kissa

Stillfin and Kissa are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Stillfin sells 3 in-app purchases, starting at $0.99 per month and Kissa sells 5 in-app purchases, starting at $9.99 per 3 months. Whichever you choose, the download price is not the number that matters.

Stillfin ships an update every 2 weeks, Kissa fortnightly. The most recent releases landed on October 21, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Stillfin | Kissa |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/stillfin-focus-and-fish/id6799313682/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | Freemium | — |
| Size | 140 MB | 232 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [少强 吴](https://appshunter.io/developer/1606570561) | [Christian Andrade](https://appshunter.io/developer/1462755823) |

## What reviewers say

### Stillfin

[App page](https://appshunter.io/ios/app/stillfin-focus-and-fish/id6799313682)

This app transforms focused work sessions into a peaceful fishing simulation. As you study or work, your in-game angler fishes, and completing focus goals helps your island grow and unlocks rare catches. It offers a calming environment for productivity with optional social features.

**Highlights:** Focus timer with calming sounds, Gamified focus sessions with fishing, Island customization and growth, Collect illustrated fish, Friend system for collaboration, Focus statistics and reports, Optional iCloud sync

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stillfin Pro · Monthly | $0.99 | per month |
| Stillfin Pro · Yearly | $4.99 | per year |
| Stillfin Pro · Lifetime | $12.99 | one-time |


### 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 |


## Frequently asked questions

### Is Stillfin free?

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

### Is Kissa free?

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

### Do Stillfin or Kissa have ads?

Neither Stillfin nor Kissa shows ads.

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

Stillfin ships an update every 2 weeks, and Kissa fortnightly. Most recently, Stillfin was updated on October 21, 2026 and Kissa on October 29, 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.*