# Grafen vs AquariumChat

The clearest difference is in-app purchases: Grafen at none against AquariumChat's 1. Grafen also leads on iOS requirement (13.4 vs 15.0). AquariumChat's advantage is ads (none vs shown) and update cadence (fortnightly vs monthly). On price and device support there is nothing between them.

Both are free to download. AquariumChat sells 1 in-app purchase, starting at $0.99 per month. Grafen asks for nothing beyond the download.

Grafen ships an update monthly, AquariumChat fortnightly. The most recent releases landed on October 27, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Grafen | AquariumChat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/aquariumchat/id6748924519/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 188 MB | 49 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [MERPA BILGI ISLEM LIMITED SIRKETI](https://appshunter.io/developer/1199920818) | [Constant Heritage, LLC](https://appshunter.io/developer/1206999958) |

## What reviewers say

### Grafen

[App page](https://appshunter.io/ios/app/grafen/id1572798608)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### AquariumChat

[App page](https://appshunter.io/ios/app/aquariumchat/id6748924519)

Express yourself anonymously in a calming underwater world. Your messages appear as floating bubbles that gently disappear, offering a judgment-free space for thoughts and emotional release. Enjoy a therapeutic and visually mesmerizing experience.

**Highlights:** Complete anonymity, Mesmerizing underwater visuals, Therapeutic and stress-relief experience, Advanced content filtering, Messages naturally fade away, Premium features for enhanced experience

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $0.99 | per month |


## Frequently asked questions

### Is Grafen free?

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

### Is AquariumChat free?

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

### Do Grafen or AquariumChat have ads?

Grafen shows ads; AquariumChat does not.

### Which is updated more often, Grafen or AquariumChat?

Grafen ships an update monthly, and AquariumChat fortnightly. Most recently, Grafen was updated on October 27, 2026 and AquariumChat 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.*