# AquariumNotes vs Drop Test

The clearest difference is device support: AquariumNotes at 2 against Drop Test's —. Drop Test's advantage is iOS requirement (15.1 vs 17.0). On price and in-app purchases there is nothing between them.

Both are free to download. AquariumNotes sells 3 in-app purchases, starting at $2.99 per month and Drop Test sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | AquariumNotes | Drop Test |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | — |
| Update frequency | Monthly | — |
| Size | 7 MB | 64 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [Yusuke Morimoto](https://appshunter.io/developer/1702989537) | [Aquarion LLC](https://appshunter.io/developer/1883215914) |

## What reviewers say

### AquariumNotes

[App page](https://appshunter.io/ios/app/aquariumnotes/id6480376453)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PremiumMember/1Month | $2.99 | per month |
| PremiumMember/6Month | $9.99 | per 6 months |
| PremiumMember/1Year | $19.99 | per year |


### Drop Test

[App page](https://appshunter.io/ios/app/drop-test-water-analysis/id6760209053)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Pro | $2.99 | one-time |


## Frequently asked questions

### Is AquariumNotes free?

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

### Is Drop Test free?

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

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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.*