KRL SmartBox vs Reefmaster Piper
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KRL SmartBox
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The KRL Smartbox app can be used to retrieve measurement results from the KRL Smartbox via Bluetooth. The measurement results can be supplemented with further information and then exported as a PDF. Using the KRL SmartBox makes it possible to measure the corresponding relative humidity of mineral screeds. Changes in the temperature of the sample can influence the measurement of the humidity above it. During measurements with the KRL method at a temperature of 20°C ±5 °C, the expected maximum humidity deviation is ±2% relative humidity.
Reefmaster Piper
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The Reefmaster app takes full control of the monitoring and maintenance of your aquarium. Or... how about this: from now on, let our clever AI do the boring work for you! The Reefmaster system ensures optimal water paremeters levels, monitor coral health with artificial intelligence while providing real-time feedback. Now you can go on that vacation while Reefmaster take charge.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | KRL SmartBox | Reefmaster Piper |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 7 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 33 MB | 115 MB |
| Age rating | 4+ | 4+ |
| Developer | Witte Metallwaren Handelsges. mbH & Co. KG | Reefmaster |
In-app purchases
KRL SmartBox
No in-app purchases
Reefmaster Piper
No in-app purchases
