# TransPerfect Interpretation vs Engineer Ally Mobile

The clearest difference is update cadence: TransPerfect Interpretation at every 3 weeks against Engineer Ally Mobile's every 3 months. 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.

TransPerfect Interpretation ships an update every 3 weeks, Engineer Ally Mobile every 3 months. Both last shipped on October 7, 2026.

## The numbers

| Metric | TransPerfect Interpretation | Engineer Ally Mobile |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Size | 41 MB | 63 MB |
| Requires iOS | **12.0** | 12.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TransPerfect](https://appshunter.io/developer/1478414535) | [Engineer Ally](https://appshunter.io/developer/1718528510) |

## What reviewers say

### TransPerfect Interpretation

[App page](https://appshunter.io/ios/app/transperfect-interpretation/id6476718336)

**Features:** macOS Compatibility

**In-app purchases:** none


### Engineer Ally Mobile

[App page](https://appshunter.io/ios/app/engineer-ally-mobile/id6748547519)

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

**In-app purchases:** none


## Frequently asked questions

### Is TransPerfect Interpretation free?

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

### Is Engineer Ally Mobile free?

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

### Do TransPerfect Interpretation or Engineer Ally Mobile have ads?

Neither TransPerfect Interpretation nor Engineer Ally Mobile shows ads.

### Which is updated more often, TransPerfect Interpretation or Engineer Ally Mobile?

TransPerfect Interpretation ships an update every 3 weeks, and Engineer Ally Mobile every 3 months. Most recently, TransPerfect Interpretation was updated on October 7, 2026 and Engineer Ally Mobile on October 7, 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.*