RAPT vs Spectra Hub
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RAPT
This app provides total fermentation control through internet-enabled technology. It allows for real-time logging, access, and control of RAPT-enabled products from any device, making it ideal for various fermentation needs like beer, wine, and kimchi making.
- Total fermentation control
- Internet enabled IoT
- Real-time logging
- Real-time access
- Real-time control
- Seamless device integration
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What is RAPT? RAPT is Really Awesome Product Technology. RAPT is a brand new method for total fermentation control. RAPT is internet enabled. RAPT uses the Internet of Things (IoT) to enable real time logging, real time access and real time control. This technology allows for seamless integration of all of your RAPT enabled products, controllable and accessible from any of your devices. The RAPT App allows simple, seamless, integrated control over every one of your RAPT enabled devices, no matter where you are or what you are doing. RAPT is perfect for any and all your fermentation needs – beer making, wine, salami, kimchi – almost anything where temperature and/or pressure control is an important part of the process. We asked ourselves what people really wanted from a fermentation chamber. What would you design if you were starting from scratch? A ground up rework, if you will. And RAPT was the result. The RAPT Fermentation Chamber and the RAPT Pill are the first steps towards seamless integration, and the RAPT App is the easiest way to control everything.
Spectra Hub
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Spectra Hub allows you to manage all your smart aquarium devices from Marine Spectra. In addition we have tools for allowing you to manually track your aquarium parameters, including Alkalinity, Calcium, Magnesium, Nitrate, Phosphate, Salinity and Temperature.
Screenshots
Verdict
The clearest difference is ads: RAPT at none against Spectra Hub's shown. RAPT also leads on iOS requirement (13.2 vs 15.6). On price, update cadence, 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.
RAPT ships an update every 4 months, Spectra Hub every 3 months. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.
| Parameter | RAPT | Spectra Hub |
|---|---|---|
| Price | Free | Free |
| Rating | 1.7 (23 ratings) — better | — |
| Positive reviews | 14.5% of reviews | — |
| Number of ratings | 23 — better | — |
| Update frequency | Every 4 months | Every 3 months — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.2 — better | 15.6 |
| Further details — not scored | ||
| Size | 68 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | Kegland Distribution Pty Ltd | Marine Spectra Pty Ltd |
In-app purchases
RAPT
No in-app purchases
Spectra Hub
No in-app purchases
Questions
Is RAPT free?
Is Spectra Hub free?
Do RAPT or Spectra Hub have ads?
Which is updated more often, RAPT or Spectra Hub?
Other comparisons
