GRCatalog vs DataLogger
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GRCatalog
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This application is a data capture program which works on a wide range of technologies, including barcode scanning, RFID scanning, signature capturing, fingerprint scanning, contactless card reading, etc. User selects the appropriate data capture tool in the program and uses it with the data capture equipments developed by Grabba.
DataLogger
Control MSR data loggers from your mobile device. Configure loggers, view sensor data in real-time, and upload recordings to the cloud. Connects to multiple loggers via Bluetooth Low Energy.
- Control MSR data loggers
- Configure logger settings
- View sensor data online
- Record sensor data
- Upload data to MSR Smart Cloud
- Connect via Bluetooth Low Energy (BLE)
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This application enables mobile devices to control MSR data loggers. It provides logger configuration and viewing online and record sensor data. Record data can be uploaded to MSR Smart Cloud. The mobile device connects to multiple loggers using Bluetooth Low Energy (BLE).
Screenshots
Verdict
GRCatalog and DataLogger are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
GRCatalog ships an update every 2 months, DataLogger every 4 months. The most recent releases landed on September 26, 2026 and October 4, 2026 respectively.
| Parameter | GRCatalog | DataLogger |
|---|---|---|
| Price | Free | Free |
| Rating | — | 2.0 (3 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 2 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 7 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Grabba International Pty Ltd | MSR Electronics GmbH |
In-app purchases
GRCatalog
No in-app purchases
DataLogger
No in-app purchases









