# Fish Planet vs Aquabuildr

The clearest difference is rating: Aquabuildr at 4.2 against Fish Planet's 3.7. Aquabuildr also leads on ads (none vs shown) and update cadence (every 5 weeks vs every 11 months). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. Fish Planet sells 6 in-app purchases, starting at $0.99 per month and Aquabuildr sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Aquabuildr holds the better App Store score, 4.2 against 3.7. Both are backed by a comparable volume of ratings — 141 and 265 respectively. Written reviews point the same way: 9% of Fish Planet's written reviews are positive against 35% of Aquabuildr's.

Fish Planet ships an update every 11 months, Aquabuildr every 5 weeks. The most recent releases landed on September 25, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Fish Planet | Aquabuildr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (141 ratings)](https://appshunter.io/ios/app/fish-planet/id954203652/reviews) | **[4.2 (265 ratings)](https://appshunter.io/ios/app/aquabuildr/id1568234361/reviews)** |
| Number of ratings | 141 | **265** |
| Positive reviews | 8.6% of reviews | **34.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 11 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 757 MB | 145 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Web and Print](https://appshunter.io/developer/517696765) | [Futrix, L.L.C](https://appshunter.io/developer/1706947024) |

## What reviewers say

### Fish Planet

[App page](https://appshunter.io/ios/app/fish-planet/id954203652)

A comprehensive fish encyclopedia and fishing guide in 50 languages. Discover detailed information on 800 fish species, including their habitats, feeding habits, and optimal fishing conditions. Includes helpful tools like a fisherman's calendar and knot guides.

**Highlights:** 800 fish species encyclopedia, Multi-language support (50 languages), Detailed fish profiles, Fisherman's calendar, Fisherman's watch for fish activity, Fishing knots guide, Fisherman's navigator with catch logging

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription - «‎Premium» | $0.99 | per month |
| Subscription - «‎Premium» | $9.99 | per year |
| Fishes of North America | $4.99 | one-time |
| Fishes of Europe and Asia | $4.99 | one-time |
| Fishes of the seas and oceans | $4.99 | one-time |
| All-in-one | $9.99 | one-time |


### Aquabuildr

[App page](https://appshunter.io/ios/app/aquabuildr/id1568234361)

Manage and build your fish tank with this comprehensive app. Features include fish compatibility, water parameter logging, task reminders, and AI chat support to ensure a healthy and educational aquarium hobby.

**Highlights:** Fish compatibility algorithm, Dosing diary & water parameter logging, To-do tasks & reminders, Tank history logging, AI chat support, User-friendly interface

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Access | $4.99 | per month |
| Yearly Premium Access | $39.99 | per year |

**What reviewers like**

- 💡 Great concept and idea
- 👍 Well-designed UI
- 😊 Good for beginners
- ✅ Helpful for enthusiasts
- ✨ Explains aquarium setup well

**What reviewers complain about**

- ❌ Paid for Pro, not received
- ❌ Bad execution, annoying app
- ❌ Subscription issues with multiple tanks
- ❌ Glitchy, error messages
- ❌ Paid for premium, not working

**Reported bugs**

- App will not acknowledge Pro subscription after payment
- App is annoying and not good
- Error message: 'type ‘Null’ is not a subtype of type ‘num’ in type cast'
- Cannot use premium features after paying
- No response from customer service

**Requested features**

- Add more fish species
- Add Axolotls
- Add Piranha groups
- Incorporate all fish species
- Add nitrate parameter


## Frequently asked questions

### Is Fish Planet free?

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

### Is Aquabuildr free?

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

### Which has better reviews, Fish Planet or Aquabuildr?

Aquabuildr is rated higher. Fish Planet averages 3.7 out of 5 from 141 ratings, while Aquabuildr averages 4.2 from 265 ratings.

### Do Fish Planet or Aquabuildr have ads?

Fish Planet shows ads; Aquabuildr does not.

### Which is updated more often, Fish Planet or Aquabuildr?

Fish Planet ships an update every 11 months, and Aquabuildr every 5 weeks. Most recently, Fish Planet was updated on September 25, 2026 and Aquabuildr on September 23, 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.*