# Dimplex Quantum heater sizing guide vs AquaKeeper

The clearest difference is in-app purchases: Dimplex Quantum heater sizing guide at none against AquaKeeper's 3. Dimplex Quantum heater sizing guide also leads on ads (none vs shown) and device support (3 vs 1). AquaKeeper's advantage is update cadence (every 2 months vs every 8 months). On price there is nothing between them.

Both are free to download. AquaKeeper sells 3 in-app purchases, starting at $0.99 per month. Dimplex Quantum heater sizing guide asks for nothing beyond the download.

Dimplex Quantum heater sizing guide ships an update every 8 months, AquaKeeper every 2 months. The most recent releases landed on October 8, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Dimplex Quantum heater sizing guide | AquaKeeper |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Every 2 months** |
| Size | 16 MB | 17 MB |
| Requires iOS | **7.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [GLEN DIMPLEX EUROPE HOLDINGS LIMITED](https://appshunter.io/developer/1444759846) | [Trang Le](https://appshunter.io/developer/1797500654) |

## What reviewers say

### Dimplex Quantum heater sizing guide

[App page](https://appshunter.io/ios/app/dimplex-quantum-heater-sizing-guide/id992469855)

**Features:** macOS Compatibility

**In-app purchases:** none


### AquaKeeper

[App page](https://appshunter.io/ios/app/aquakeeper-fish-tank-tracker/id6773038204)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Month | $0.99 | per month |
| One Year | $8.99 | per year |
| Lifetime | $12.99 | one-time |


## Frequently asked questions

### Is Dimplex Quantum heater sizing guide free?

Dimplex Quantum heater sizing guide is free to download, with no in-app purchases.

### Is AquaKeeper free?

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

### Do Dimplex Quantum heater sizing guide or AquaKeeper have ads?

AquaKeeper shows ads; Dimplex Quantum heater sizing guide does not.

### Which is updated more often, Dimplex Quantum heater sizing guide or AquaKeeper?

Dimplex Quantum heater sizing guide ships an update every 8 months, and AquaKeeper every 2 months. Most recently, Dimplex Quantum heater sizing guide was updated on October 8, 2026 and AquaKeeper on October 5, 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.*