# Catalyst By MetricWire vs IDVaaS

The clearest difference is review sentiment: Catalyst By MetricWire at 100% against IDVaaS's 10%. Catalyst By MetricWire also leads on rating (4.2 vs 1.4) and update cadence (every 2 weeks vs every 2 months). IDVaaS's advantage is ratings volume (68 vs 11). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Catalyst By MetricWire holds the better App Store score, 4.2 against 1.4. That said, the two scores are not equally well evidenced: IDVaaS has 68 ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 100% of Catalyst By MetricWire's written reviews are positive against 10% of IDVaaS's.

Catalyst By MetricWire ships an update every 2 weeks, IDVaaS every 2 months. Both last shipped on October 30, 2026.

## The numbers

| Metric | Catalyst By MetricWire | IDVaaS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (11 ratings)](https://appshunter.io/ios/app/catalyst-by-metricwire/id1585123028/reviews)** | [1.4 (68 ratings)](https://appshunter.io/ios/app/idvaas/id6443476472/reviews) |
| Number of ratings | 11 | **68** |
| Positive reviews | **100.0% of reviews** | 9.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 225 MB | 222 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MetricWire Inc.](https://appshunter.io/developer/815033540) | [WorldReach Software](https://appshunter.io/developer/1342227419) |

## What reviewers say

### Catalyst By MetricWire

[App page](https://appshunter.io/ios/app/catalyst-by-metricwire/id1585123028)

Participate in digital health research by responding to surveys, completing tasks, and sharing sensor data. Connect wearable devices and access study resources to contribute to new health solutions. Data is protected and controlled by your study team.

**Highlights:** In-the-moment surveys and assessments, Task completion for research studies, Connect wearable devices, Smartphone sensor tracking, Communication tools for study teams, Integration with Apple HealthKit

**Features:** Vision Pro support

**In-app purchases:** none


### IDVaaS

[App page](https://appshunter.io/ios/app/idvaas/id6443476472)

This solution remotely verifies an individual's claimed identity using smartphone reading of electronic travel documents and trusted biometrics. It facilitates secure digital identity verification for immigration, border management, and digital services.

**Highlights:** Remote identity verification, ePassport and eID reading, Facial biometric comparison, Encrypted end-to-end security, Step-by-step user guidance, Lost/stolen document checks, Rules-based workflow functionality

**In-app purchases:** none


## Frequently asked questions

### Is Catalyst By MetricWire free?

Catalyst By MetricWire is free to download, with no in-app purchases.

### Is IDVaaS free?

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

### Which has better reviews, Catalyst By MetricWire or IDVaaS?

Catalyst By MetricWire is rated higher. Catalyst By MetricWire averages 4.2 out of 5 from 11 ratings, while IDVaaS averages 1.4 from 68 ratings.

### Do Catalyst By MetricWire or IDVaaS have ads?

Neither Catalyst By MetricWire nor IDVaaS shows ads.

### Which is updated more often, Catalyst By MetricWire or IDVaaS?

Catalyst By MetricWire ships an update every 2 weeks, and IDVaaS every 2 months. Most recently, Catalyst By MetricWire was updated on October 30, 2026 and IDVaaS on October 30, 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.*