Hanna Lab vs Mobius
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Hanna Lab
Transform your mobile device into a professional-grade pH meter or data management system. Connect with compatible Hanna Instruments probes and meters to conduct precise measurements, store data securely, and access it via the cloud.
- pH meter functionality with Bluetooth probes
- Data management with compatible meters
- Hanna Cloud compatibility for data sync
- Live measurements and trend graphs
- Data export in PDF and CSV formats
- Calibration and logging features
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The Hanna Lab App turns your iPhone or iPad into a full-featured pH meter when used with a Hanna Instruments HALO® or HALO2 pH probe with Bluetooth® Smart technology or a data management system when used with a Hanna Instruments HI98494 or HI98594 Multiparameter Bluetooth Portable Meter or HI97115 Marine Master Waterproof Multiparameter Photometer. Whether you're in the lab, in the field, or at your desk, Hanna Lab delivers professional-grade measurements with flexible access, reliable storage, and intuitive control. The Hanna Lab App now features Hanna Cloud compatibility. Once connected, data from HALO & HALO2 probes, HI98494 & HI98594 and HI97115 meters, can be automatically uploaded to Hanna Cloud. Hanna Cloud is a free web-based application accessible from your PC, tablet, or phone. Features will vary depending on the connected device. They include but are not limited to live measurements, trend graphs, log history, device settings, alarms, and target ranges. •HALO or HALO2 pH Probes When used with HALO pH probes, functions include: -Clear and concise calibration screens for calibration of up to 5 points. -Annotated data points can be saved with measurement-specific information. When using a Halo2 pH probe annotated readings can be saved on demand or on stability. -Data is automatically saved every hour. Data can be shared via PDF or CSV format. -Dynamic graphing provides measurement information linearly. Graph axes may be expanded using pinch-to-zoom technology for enhanced viewing. When connected to Hanna Cloud, log files from the HALO pH probes can be uploaded automatically or manually from log history. Files on the cloud can be merged and exported with a reduced logging interval. Annotated readings from the HALO probes can be uploaded immediately to the cloud and saved in a separate data file. •HI98494 or HI98594 Multiparameter Meter When used with a HI98494 or HI98594 Multiparameter Bluetooth Portable Meter, functions include: -Data can be shared via PDF or CSV format. -Downloaded log files with dynamic graphing. Graph axes may be expanded using pinch-to-zoom technology for enhanced viewing. -GLP information for the previous five calibrations. -User-selectable measurement units. -Stay up to date with the latest firmware updates for the HI98594 on the device information page. When connected to Hanna Cloud, log files can be uploaded automatically or manually in log history. New data added to uploaded log-on-demand files is automatically synced to the cloud. Log files that have been uploaded to the cloud have user-selectable parameters measurement units, and four parameters can be graphed at the same time. •HI97115 Marine Master Photometer When used with a HI97115 Marine Master Waterproof Multiparameter Photometer, functions include: -User-defined method groups for routine analysis. -Readings can be collected using the app or synced directly from the HI97115 meter. -Data can be shared via PDF or CSV format. -Trend data with dynamic graphing. Graph axes may be expanded using pinch-to-zoom technology for enhanced viewing. -Stay up to date with the latest firmware updates on the device information page. -A demo meter has been included, showing all the features of this app. When connected to Hanna Cloud, log files can be uploaded automatically or manually in log history. When connected to Hanna Cloud, user-defined target ranges can be set, and four parameters can be graphed at the same time. Hanna Lab is compatible with iOS 15 or newer and iOS devices with Bluetooth 4.0+.
Mobius
This app provides intelligent control for aquarium equipment, simplifying management of multiple tanks. Create custom scenes, schedules, and access quick status updates to maintain your aquatic environment with ease.
- Manage multiple tanks
- Create custom scenes
- Drag-and-drop scheduling
- Lighting control with templates
- Flow control for pumps
- Dosing automation and tracking
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Mobius® is an innovative control platform for your EcoTech Marine products. A core rethinking of how products connect and function make Mobius one of the simplest and smartest control apps you'll ever use. Manage multiple tanks and get quick status updates from dashboard widgets. Easily create Scenes that are accessible to run from the dashboard. Scenes make repetitive tasks as simple as tapping a button. Creating schedules is a snap with Mobius's drag and drop interface. DASHBOARD - Run and create custom scenes using your equipment to make repetitive tasks easy. - Configure and organize your widgets so you can stay current with what is happening in your tank. - Quick access to your devices. LIGHTING - The lighting control interface makes creating a schedule easier than ever. - Proven templates make sure your tank gets off to a great start! - Use our coral acclimation mode to welcome your new livestock. - Save & share your customized templates. FLOW - Use our easy schedule editing interface to customize your Vectra & VorTech schedule. - Utilize all of our great pump modes like ReefCrest, Lagoon and Tidal Swell. - Initiate Feed mode to reduce the aquarium flow for spot-feeding. - Easily calibrate your Vectra with our simple walkthrough. DOSING - Auto Mode: Tell us the additive you're dosing and how much, we'll take care of when based on proven best practices. - Manual Mode: You're in control. Specify dosage and duration or rate. - Continuous Mode: Set a dosing rate, and your Versa will dose as long as it has power. - Easy Calibration - Keep track of how much additive is left in the containers, so you don't run out. - Need a one-time dose? Use Instant Dose to dose your tank quickly.
Screenshots
Verdict
The clearest difference is rating: Hanna Lab at 4.0 against Mobius's 2.0. Hanna Lab also leads on review sentiment (45% vs 27%). Mobius's advantage is ratings volume (328 vs 10) and update cadence (every 2 months vs every 5 months). On price, ads, in-app purchases and monetization model 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.
Hanna Lab holds the better App Store score, 4.0 against 2.0. That said, the two scores are not equally well evidenced: Mobius has 328 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 45% of Hanna Lab's written reviews are positive against 27% of Mobius's.
Hanna Lab ships an update every 5 months, Mobius every 2 months. The most recent releases landed on August 2, 2026 and September 21, 2026 respectively.
| Parameter | Hanna Lab | Mobius |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (10 ratings) — better | 2.0 (328 ratings) |
| Positive reviews | 45.5% of reviews — better | 27.5% of reviews |
| Number of ratings | 10 | 328 — better |
| Update frequency | Every 5 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 32 MB | 95 MB |
| Age rating | 4+ | 4+ |
| Developer | Hanna Instruments, Inc. | C2 Development, LLC |
Customer experience
Hanna Lab
Mobius
Bugs and requests
Hanna Lab
Not enough reviews yet to summarise bugs or requests.
Mobius
Reported bugs
5 issues- Constant disconnections
- Inability to add/connect devices
- Lighting schedule not working as expected
- Time/date resets randomly
- Crashes and freezes
Requested features
6 requests- Remote access and control
- Improved lighting schedule customization
- Pump/device off option
- Sync settings across devices
- Better documentation and tutorials
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- Wi-Fi connectivity
In-app purchases
Hanna Lab
No in-app purchases
Mobius
No in-app purchases








