# Aquarium Calculator Plus vs APPSIBLE

The clearest difference is price: APPSIBLE at Free against Aquarium Calculator Plus's $2.99. APPSIBLE also leads on update cadence (every 6 days vs every 39 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

APPSIBLE is free to download; Aquarium Calculator Plus costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Aquarium Calculator Plus ships an update every 39 months, APPSIBLE every 6 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Aquarium Calculator Plus | APPSIBLE |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/aquarium-calculator-plus/id1642256257/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 6 days** |
| Monetization | Paid | — |
| Size | 9 MB | 112 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Heng Jia Liang](https://appshunter.io/developer/1532000635) | [饭太辣(深圳)科技有限公司](https://appshunter.io/developer/1811266420) |

## What reviewers say

### Aquarium Calculator Plus

[App page](https://appshunter.io/ios/app/aquarium-calculator-plus/id1642256257)

Easily calculate aquarium water volume, surface area, and substrate needs for various tank shapes. It also recommends appropriate fish stocking levels and pump sizes for optimal water flow and aquarium health.

**Highlights:** Calculate water volume for square, rectangular, cylindrical, and hexagon aquariums, Determine water, sand, and surface area needs, Recommend fish stocking levels based on tank size, Suggest appropriate pump flow rate and pipe diameter, Convert dimensions between inches/cm and gallons/liters

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

**In-app purchases:** none


### APPSIBLE

[App page](https://appshunter.io/ios/app/appsible/id6755059613)

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

**In-app purchases:** none


## Frequently asked questions

### Is Aquarium Calculator Plus free?

Aquarium Calculator Plus costs $2.99, with no in-app purchases.

### Is APPSIBLE free?

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

### Do Aquarium Calculator Plus or APPSIBLE have ads?

Neither Aquarium Calculator Plus nor APPSIBLE shows ads.

### Which is updated more often, Aquarium Calculator Plus or APPSIBLE?

Aquarium Calculator Plus ships an update every 39 months, and APPSIBLE every 6 days. Most recently, Aquarium Calculator Plus was updated on November 3, 2026 and APPSIBLE on October 30, 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.*