# Assasa vs Undulate

The clearest difference is in-app purchases: Assasa at none against Undulate's 1. Undulate's advantage is iOS requirement (16.0 vs 18.5). On price, update cadence, ads and device support there is nothing between them.

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

Assasa ships an update every 5 days, Undulate every 9 days. The most recent releases landed on October 15, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Assasa | Undulate |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 9 days |
| Size | 8 MB | 1 MB |
| Requires iOS | 18.5 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jan Moller](https://appshunter.io/developer/1863123834) | [Abhishek Gawde](https://appshunter.io/developer/1853271112) |

## What reviewers say

### Assasa

[App page](https://appshunter.io/ios/app/assasa/id6756825911)

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

**In-app purchases:** none


### Undulate

[App page](https://appshunter.io/ios/app/undulate/id6758805133)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Undulate Premium | $3.99 | one-time |


## Frequently asked questions

### Is Assasa free?

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

### Is Undulate free?

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

### Do Assasa or Undulate have ads?

Neither Assasa nor Undulate shows ads.

### Which is updated more often, Assasa or Undulate?

Assasa ships an update every 5 days, and Undulate every 9 days. Most recently, Assasa was updated on October 15, 2026 and Undulate on October 1, 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.*