# KRL SmartBox vs Reefmaster Piper

The clearest difference is update cadence: Reefmaster Piper at monthly against KRL SmartBox's every 7 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

KRL SmartBox ships an update every 7 months, Reefmaster Piper monthly. The most recent releases landed on May 13, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | KRL SmartBox | Reefmaster Piper |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Monthly** |
| Size | 33 MB | 115 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Witte Metallwaren Handelsges. mbH & Co. KG](https://appshunter.io/developer/979847433) | [Reefmaster](https://appshunter.io/developer/1569183159) |

## What reviewers say

### KRL SmartBox

[App page](https://appshunter.io/ios/app/krl-smartbox/id6477445537)

**Features:** macOS Compatibility

**In-app purchases:** none


### Reefmaster Piper

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

**In-app purchases:** none


## Frequently asked questions

### Is KRL SmartBox free?

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

### Is Reefmaster Piper free?

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

### Do KRL SmartBox or Reefmaster Piper have ads?

Neither KRL SmartBox nor Reefmaster Piper shows ads.

### Which is updated more often, KRL SmartBox or Reefmaster Piper?

KRL SmartBox ships an update every 7 months, and Reefmaster Piper monthly. Most recently, KRL SmartBox was updated on May 13, 2026 and Reefmaster Piper on September 6, 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.*