# OT Fish Care vs Quantum Aqua

The clearest difference is update cadence: Quantum Aqua at every 4 weeks against OT Fish Care's every 22 months. OT Fish Care's advantage is iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OT Fish Care ships an update every 22 months, Quantum Aqua every 4 weeks. The most recent releases landed on October 24, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | OT Fish Care | Quantum Aqua |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (34 ratings)](https://appshunter.io/ios/app/ot-fish-care/id1438822563/reviews)** | — |
| Number of ratings | **34** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 164 MB | 187 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OceanTech](https://appshunter.io/developer/1539881331) | [Jordan Kambanis](https://appshunter.io/developer/1744286099) |

## What reviewers say

### OT Fish Care

[App page](https://appshunter.io/ios/app/ot-fish-care/id1438822563)

Manage your smart home devices and aquarium equipment remotely. This app offers global connectivity and cloud control for a more efficient and comfortable smart living experience. Enjoy advanced security features and quick response times for your connected devices.

**Highlights:** Smart home device management, Aquarium equipment control, Global connectivity, Cloud-based management, Advanced security protocols, Quick response times

**In-app purchases:** none


### Quantum Aqua

[App page](https://appshunter.io/ios/app/quantum-aqua/id6502040629)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OT Fish Care free?

OT Fish Care is free to download, with no in-app purchases.

### Is Quantum Aqua free?

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

### Do OT Fish Care or Quantum Aqua have ads?

Neither OT Fish Care nor Quantum Aqua shows ads.

### Which is updated more often, OT Fish Care or Quantum Aqua?

OT Fish Care ships an update every 22 months, and Quantum Aqua every 4 weeks. Most recently, OT Fish Care was updated on October 24, 2026 and Quantum Aqua on October 3, 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.*