# EduSystem Viewer vs Mercer | Mettl

The clearest difference is rating: EduSystem Viewer at 2.0 against Mercer | Mettl's 1.0. EduSystem Viewer also leads on ratings volume (62 vs 1). On price, review sentiment, update cadence and ads there is nothing between them.

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

EduSystem Viewer holds the better App Store score, 2.0 against 1.0. That said, the two scores are not equally well evidenced: EduSystem Viewer has 62 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 20% of EduSystem Viewer's written reviews are positive against 18% of Mercer | Mettl's.

EduSystem Viewer ships an update every 5 weeks, Mercer | Mettl every 2 months. The most recent releases landed on September 26, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | EduSystem Viewer | Mercer | Mettl |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (62 ratings)](https://appshunter.io/ios/app/edusystem-viewer/id601526321/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/mercer-mettl/id6444482525/reviews) |
| Number of ratings | **62** | 1 |
| Positive reviews | **19.6% of reviews** | 18.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 72 MB | 18 MB |
| Requires iOS | 14.3 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dreyfous & Associates](https://appshunter.io/developer/601526324) | [Mercer Mettl](https://appshunter.io/developer/1654901800) |

## What reviewers say

### EduSystem Viewer

[App page](https://appshunter.io/ios/app/edusystem-viewer/id601526321)

This official tool allows users to view and interact with EduFiles directly on their iOS devices. It provides a convenient way to access educational content on the go.

**Highlights:** View EduFiles, Work with EduFiles, Official EduSystem tool, iOS device compatibility

**Features:** macOS Compatibility

**In-app purchases:** none


### Mercer | Mettl

[App page](https://appshunter.io/ios/app/mercer-mettl/id6444482525)

This app provides a convenient platform for individuals to take tests on their mobile devices. It also helps organizations make informed decisions about talent acquisition and development through research-backed assessments and analytics.

**Highlights:** On-the-go test taking, Talent acquisition assessments, Employee development programs, Customized assessments, In-depth analytics, Certification exams

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

**In-app purchases:** none


## Frequently asked questions

### Is EduSystem Viewer free?

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

### Is Mercer | Mettl free?

Mercer | Mettl is free to download, with no in-app purchases.

### Which has better reviews, EduSystem Viewer or Mercer | Mettl?

EduSystem Viewer is rated higher. EduSystem Viewer averages 2.0 out of 5 from 62 ratings, while Mercer | Mettl averages 1.0 from 1 ratings.

### Do EduSystem Viewer or Mercer | Mettl have ads?

Neither EduSystem Viewer nor Mercer | Mettl shows ads.

### Which is updated more often, EduSystem Viewer or Mercer | Mettl?

EduSystem Viewer ships an update every 5 weeks, and Mercer | Mettl every 2 months. Most recently, EduSystem Viewer was updated on September 26, 2026 and Mercer | Mettl on September 17, 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.*