# MyAquarium vs Custo3D

The clearest difference is in-app purchases: MyAquarium at none against Custo3D's 2. Custo3D's advantage is iOS requirement (17.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Custo3D sells 2 in-app purchases, starting at $1.99 per month. MyAquarium asks for nothing beyond the download.

MyAquarium ships an update every 3 weeks, Custo3D monthly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | MyAquarium | Custo3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/custo3d/id6776867403/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | — | Freemium |
| Size | 40 MB | 4 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Miguel Molina](https://appshunter.io/developer/1242105494) | [Bruno Amaral](https://appshunter.io/developer/1893194070) |

## What reviewers say

### MyAquarium

[App page](https://appshunter.io/ios/app/myaquarium/id1493588447)

**Features:** macOS Compatibility

**In-app purchases:** none


### Custo3D

[App page](https://appshunter.io/ios/app/custo3d/id6776867403)

Calculate the precise cost of 3D prints, factoring in materials, electricity, printer wear, labor, and profit margin. Generate professional proposals for clients instantly. Supports multiple printer profiles and offline access.

**Highlights:** Full cost calculation (material, energy, depreciation, labor, profit), Multiple printer profiles (FDM/resin), Offline quote saving, Commercial proposal generation, Live Bambu printer monitoring, MakerWorld print integration

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Custo3D Pro — Monthly | $1.99 | per month |
| Custo3D Pro — Yearly | $11.99 | per year |


## Frequently asked questions

### Is MyAquarium free?

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

### Is Custo3D free?

Custo3D is free to download, with in-app purchases available.

### Do MyAquarium or Custo3D have ads?

Neither MyAquarium nor Custo3D shows ads.

### Which is updated more often, MyAquarium or Custo3D?

MyAquarium ships an update every 3 weeks, and Custo3D monthly. Most recently, MyAquarium was updated on November 3, 2026 and Custo3D 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.*