# Neuroscape Coherence vs Back Down to Earth

Neuroscape Coherence and Back Down to Earth are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Neuroscape Coherence | Back Down to Earth |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 213 MB | 112 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [NEUROSCAPE ALLIANCE](https://appshunter.io/developer/1459562932) | [Mid-Pacific Institute](https://appshunter.io/developer/911231109) |

## What reviewers say

### Neuroscape Coherence

[App page](https://appshunter.io/ios/app/neuroscape-coherence/id1595058347)

**Features:** Vision Pro support

**In-app purchases:** none


### Back Down to Earth

[App page](https://appshunter.io/ios/app/back-down-to-earth/id6757565787)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Neuroscape Coherence free?

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

### Is Back Down to Earth free?

Back Down to Earth is free to download, with no in-app purchases.

### Do Neuroscape Coherence or Back Down to Earth have ads?

Neither Neuroscape Coherence nor Back Down to Earth shows ads.

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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.*