# DataLogger vs Tagaby

The clearest difference is update cadence: Tagaby at fortnightly against DataLogger's every 4 months. DataLogger's advantage is iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

DataLogger ships an update every 4 months, Tagaby fortnightly. The most recent releases landed on June 1, 2026 and September 4, 2026 respectively.

## The numbers

| Metric | DataLogger | Tagaby |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (3 ratings)](https://appshunter.io/ios/app/datalogger/id611115496/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 1 MB | 67 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MSR Electronics GmbH](https://appshunter.io/developer/611115499) | [Telaeris inc.](https://appshunter.io/developer/879403942) |

## What reviewers say

### DataLogger

[App page](https://appshunter.io/ios/app/datalogger/id611115496)

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.

**Highlights:** 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)

**Features:** macOS Compatibility

**In-app purchases:** none


### Tagaby

[App page](https://appshunter.io/ios/app/tagaby/id6736598938)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is DataLogger free?

DataLogger is free to download, with no in-app purchases.

### Is Tagaby free?

Tagaby is free to download, with no in-app purchases.

### Do DataLogger or Tagaby have ads?

Neither DataLogger nor Tagaby shows ads.

### Which is updated more often, DataLogger or Tagaby?

DataLogger ships an update every 4 months, and Tagaby fortnightly. Most recently, DataLogger was updated on June 1, 2026 and Tagaby on September 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*