# CrowdSense vs ConcreteDNA

The clearest difference is rating: CrowdSense at 5.0 against ConcreteDNA's 4.0. CrowdSense also leads on monetization model (free vs ad-supported) and iOS requirement (12.0 vs 16.6). ConcreteDNA's advantage is update cadence (fortnightly vs every 2 months) and ratings volume (4 vs 1). 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.

CrowdSense holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

CrowdSense ships an update every 2 months, ConcreteDNA fortnightly. The most recent releases landed on September 10, 2026 and August 28, 2026 respectively.

## The numbers

| Metric | CrowdSense | ConcreteDNA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/crowdsense/id930853606/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/concretedna/id1457340144/reviews) |
| Number of ratings | 1 | **4** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | **Free** | Ad-supported |
| Size | 2 MB | 34 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kleomenis Katevas](https://appshunter.io/developer/526742174) | [Converge](https://appshunter.io/developer/1457340143) |

## What reviewers say

### CrowdSense

[App page](https://appshunter.io/ios/app/crowdsense/id930853606)

This app allows researchers to collect rich mobile sensor data from iOS devices for studies. It prioritizes user control and transparency, requiring explicit permission before activating any sensor. Data collected can be easily accessed and exported for analysis.

**Highlights:** Continuous sensing with rich mobile sensor data, User control and explicit sensor permission, Support for a wide range of device sensors, Easy data access and export, Secure data sharing and USB export, Built on open-source SensingKit framework

**In-app purchases:** none


### ConcreteDNA

[App page](https://appshunter.io/ios/app/concretedna/id1457340144)

Monitor concrete strength and temperature in real-time with sensor data sent directly to the cloud. Access live site data from anywhere, receive instant alerts, and generate QA reports for simplified paperwork. Supports collection from Converge Signal sensors.

**Highlights:** Live concrete strength feedback, Instant action alerts, Cloud access for teams, Temperature monitoring, QA report generation, Converge Signal sensor support

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

**In-app purchases:** none


## Frequently asked questions

### Is CrowdSense free?

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

### Is ConcreteDNA free?

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

### Which has better reviews, CrowdSense or ConcreteDNA?

CrowdSense is rated higher. CrowdSense averages 5.0 out of 5 from 1 ratings, while ConcreteDNA averages 4.0 from 4 ratings.

### Do CrowdSense or ConcreteDNA have ads?

Neither CrowdSense nor ConcreteDNA shows ads.

### Which is updated more often, CrowdSense or ConcreteDNA?

CrowdSense ships an update every 2 months, and ConcreteDNA fortnightly. Most recently, CrowdSense was updated on September 10, 2026 and ConcreteDNA on August 28, 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.*