GHL Connect vs TUNZE
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GHL Connect
Easily monitor and configure aquarium devices like ProfiLux computers, Mitras LX 7 lights, and dosing pumps from your smartphone or tablet. Access your devices locally without internet or remotely via the myGHL cloud service.
- Monitor device status
- Configure settings
- Remote internet access
- Local direct connection
- Start special actions
- Cloud storage for settings
- Sensor chart history
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GHL Connect allows you to monitor and configure your ProfiLux computers, Mitras LX 7, Doser 2 or MaxiDoser with your smartphone or tablet in a very easy and comfortable manner. Connect directly with your GHL-device; it does not need external resources or an internet connection if used locally. You also have the opportunity to connect easily with myGHL in GHL Connect to access your GHL device via the Internet. GHL connect helps you to check current states, alarms and activities and allows you to edit most settings and to start special actions like manual dosing, water change, thunderstorms and much more. When you connect GHL Connect to a myGHL account, you also have the possibility to share your settings and the customizable dashboard across all GHL Connect platforms with CloudStorage and the possibility to view sensor charts over a long period of time.
TUNZE
Control TUNZE devices like pumps and controllers from a central app. It offers analysis and maintenance features for marine aquariums, helping to stabilize water chemistry and technology for a healthy environment.
- Centralized device control
- Pump and controller management
- Intelligent accessory features
- Water chemistry analysis
- Maintenance tracking
- Marine aquarium companion
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With the TUNZE App, you can control your TUNZE devices centrally, clearly and at any time – whether it’s pumps, controllers or intelligent accessory features. At the same time, the app includes all proven analysis and maintenance features of the former Reef Assistant – now completely free! This makes TUNZE the complete companion for a stable, healthy and easily maintained marine aquarium. Our philosophy: Record values, correct them, stabilize them. Optimal water chemistry and reliable technology are the foundation of a successful reef aquarium. Legal Information Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms of Use: https://app.tunze.com/tunze/en/terms-of-use Privacy Policy: https://app.tunze.com/tunze/en/data-terms Imprint: https://app.tunze.com/tunze/en/imprint More information: https://app.tunze.com
Screenshots
Verdict
The clearest difference is rating: GHL Connect at 4.0 against TUNZE's 1.6. GHL Connect also leads on ads (none vs shown) and monetization model (free vs free with in-app purchases). On price, ratings volume, 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.
GHL Connect holds the better App Store score, 4.0 against 1.6. Both are backed by a comparable volume of ratings — 4 and 7 respectively. Written reviews point the same way: 17% of GHL Connect's written reviews are positive against 0% of TUNZE's.
GHL Connect ships an update every 3 weeks, TUNZE every 2 months. The most recent releases landed on October 16, 2026 and October 22, 2026 respectively.
| Parameter | GHL Connect | TUNZE |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (4 ratings) — better | 1.6 (7 ratings) |
| Positive reviews | 17.1% of reviews — better | 0.0% of reviews |
| Number of ratings | 4 | 7 — better |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 57 MB | 67 MB |
| Age rating | 4+ | 4+ |
| Developer | GHL Advanced Technology GmbH & Co. KG | fynix GmbH |
Customer experience
GHL Connect
TUNZE
In-app purchases
GHL Connect
No in-app purchases
TUNZE
No in-app purchases






