# transfertFACT vs My Datalogger

transfertFACT and My 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.

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

transfertFACT ships an update every 6 months, My Datalogger every 4 months. The most recent releases landed on September 22, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | transfertFACT | My Datalogger |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 months** |
| Size | 6 MB | 21 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SI-EXPERTISE](https://appshunter.io/developer/1489738021) | [Fabrique Numerique](https://appshunter.io/developer/1236485625) |

## What reviewers say

### transfertFACT

[App page](https://appshunter.io/ios/app/transfertfact/id1489738022)

**In-app purchases:** none


### My Datalogger

[App page](https://appshunter.io/ios/app/my-datalogger/id1643745021)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is transfertFACT free?

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

### Is My Datalogger free?

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

### Do transfertFACT or My Datalogger have ads?

Neither transfertFACT nor My Datalogger shows ads.

### Which is updated more often, transfertFACT or My Datalogger?

transfertFACT ships an update every 6 months, and My Datalogger every 4 months. Most recently, transfertFACT was updated on September 22, 2026 and My Datalogger on September 14, 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.*