# Typus vs Reefmaster Piper

The clearest difference is in-app purchases: Reefmaster Piper at none against Typus's 2. Typus's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Typus sells 2 in-app purchases, starting at $0.99 per month. Reefmaster Piper asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. Both last shipped on October 8, 2026.

## The numbers

| Metric | Typus | Reefmaster Piper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/typus-meerwasser-app/id1576553364/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Freemium | — |
| Size | 55 MB | 115 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kowalytics UG (haftungsbeschrankt)](https://appshunter.io/developer/1576553366) | [Reefmaster](https://appshunter.io/developer/1569183159) |

## What reviewers say

### Typus

[App page](https://appshunter.io/ios/app/typus-meerwasser-app/id1576553364)

Easily document aquarium water parameters and events. Track water quality with a clear dashboard, set optimal ranges, and visualize correlations between measurements and happenings in your tank. Manage multiple aquarium profiles and dosage information.

**Highlights:** Water quality dashboard, Optimal range alerts, Event tracking, Graph visualization, Dosage documentation, Multiple tank profiles, Unit selection

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Typus Premium Membership | $0.99 | per month |
| Typus Premium Membership | $9.99 | per year |


### Reefmaster Piper

[App page](https://appshunter.io/ios/app/reefmaster-piper/id6741764293)

**In-app purchases:** none


## Frequently asked questions

### Is Typus free?

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

### Is Reefmaster Piper free?

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

### Do Typus or Reefmaster Piper have ads?

Neither Typus nor Reefmaster Piper shows ads.

### Which is updated more often, Typus or Reefmaster Piper?

Typus ships an update monthly, and Reefmaster Piper monthly. Most recently, Typus was updated on October 8, 2026 and Reefmaster Piper on October 8, 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.*