# Nisaa vs PlankCat

The clearest difference is in-app purchases: Nisaa at none against PlankCat's 1. PlankCat's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PlankCat sells 1 one-off in-app purchase. Nisaa asks for nothing beyond the download.

Nisaa ships an update every 2 months, PlankCat every 2 weeks. The most recent releases landed on September 18, 2026 and August 7, 2026 respectively.

## The numbers

| Metric | Nisaa | PlankCat |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 22 MB | 4 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [Sussex Endocrine Clinic Ltd](https://appshunter.io/developer/1830882682) | [Kentaro MATSUMOTO](https://appshunter.io/developer/6779592356) |

## What reviewers say

### Nisaa

[App page](https://appshunter.io/ios/app/nisaa/id6772802488)

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

**In-app purchases:** none


### PlankCat

[App page](https://appshunter.io/ios/app/plankcat-plank-timer/id6779592354)

**Features:** Family Sharing, Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PlankCat PRO | $2.99 | one-time |


## Frequently asked questions

### Is Nisaa free?

Nisaa is free to download, with no in-app purchases.

### Is PlankCat free?

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

### Do Nisaa or PlankCat have ads?

Neither Nisaa nor PlankCat shows ads.

### Which is updated more often, Nisaa or PlankCat?

Nisaa ships an update every 2 months, and PlankCat every 2 weeks. Most recently, Nisaa was updated on September 18, 2026 and PlankCat on August 7, 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.*