# EWN Mobile vs RubberSource

The clearest difference is iOS requirement: RubberSource at 12.3 against EWN Mobile's 14.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

EWN Mobile ships an update every 6 weeks, RubberSource every 3 weeks. The most recent releases landed on October 21, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | EWN Mobile | RubberSource |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (12 ratings)](https://appshunter.io/ios/app/ewn-mobile/id1176538694/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 37 MB | 23 MB |
| Requires iOS | 14.0 | **12.3** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ENERGY worldnet, Inc.](https://appshunter.io/developer/1176538693) | [Avanaire Design, LLC](https://appshunter.io/developer/409628132) |

## What reviewers say

### EWN Mobile

[App page](https://appshunter.io/ios/app/ewn-mobile/id1176538694)

Manage compliance and workforce development on the go. Perform performance evaluations offline and sync them automatically when connected. Access digital eCARDS for real-time verification of qualifications and certifications.

**Highlights:** Offline performance evaluations, Automatic data synchronization, Digital eCARD access, Integrated QR scanner, Real-time qualification verification

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

**In-app purchases:** none


### RubberSource

[App page](https://appshunter.io/ios/app/rubbersource/id6455788482)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EWN Mobile free?

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

### Is RubberSource free?

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

### Do EWN Mobile or RubberSource have ads?

Neither EWN Mobile nor RubberSource shows ads.

### Which is updated more often, EWN Mobile or RubberSource?

EWN Mobile ships an update every 6 weeks, and RubberSource every 3 weeks. Most recently, EWN Mobile was updated on October 21, 2026 and RubberSource on October 15, 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.*