# Beiwe2 vs DTraces

Beiwe2 and DTraces 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.

Beiwe2 ships an update every 5 weeks, DTraces every 3 weeks. The most recent releases landed on October 3, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Beiwe2 | DTraces |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 43 MB | 26 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Onnela Lab LLC](https://appshunter.io/developer/1120224929) | [UNIVERSITA' DEGLI STUDI DI TRENTO](https://appshunter.io/developer/571992354) |

## What reviewers say

### Beiwe2

[App page](https://appshunter.io/ios/app/beiwe2/id1312962738)

This app is part of a research platform for participants in clinical and non-clinical studies. It collects sensor, usage, and survey data for research purposes. Access requires an invitation and credentials from a Beiwe server.

**Highlights:** Research-quality sensor data collection, Participant usage tracking, Survey data collection, Encrypted data storage, Reproducible studies, Participant management

**In-app purchases:** none


### DTraces

[App page](https://appshunter.io/ios/app/dtraces/id6743430854)

**In-app purchases:** none


## Frequently asked questions

### Is Beiwe2 free?

Beiwe2 is free to download, with no in-app purchases.

### Is DTraces free?

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

### Do Beiwe2 or DTraces have ads?

Neither Beiwe2 nor DTraces shows ads.

### Which is updated more often, Beiwe2 or DTraces?

Beiwe2 ships an update every 5 weeks, and DTraces every 3 weeks. Most recently, Beiwe2 was updated on October 3, 2026 and DTraces on September 25, 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.*