# Feedback Trainer vs ENVO

The clearest difference is ads: ENVO at none against Feedback Trainer's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

## The numbers

| Metric | Feedback Trainer | ENVO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | — |
| Size | 4 MB | 1 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shunsuke Takasu](https://appshunter.io/developer/6788974380) | [Kilian Fix](https://appshunter.io/developer/6774581019) |

## What reviewers say

### Feedback Trainer

[App page](https://appshunter.io/ios/app/feedback-trainer/id6788974378)

**Features:** macOS Compatibility

**In-app purchases:** none


### ENVO

[App page](https://appshunter.io/ios/app/envo-adaptive-volume/id6789852131)

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

**In-app purchases:** none


## Frequently asked questions

### Is Feedback Trainer free?

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

### Is ENVO free?

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

### Do Feedback Trainer or ENVO have ads?

Feedback Trainer shows ads; ENVO does not.

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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.*