# Letters to Beyond vs MoodMetrics Study

Letters to Beyond and MoodMetrics Study 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 | Letters to Beyond | MoodMetrics Study |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/letters-to-beyond/id6767394594/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Monetization | Free | — |
| Size | 30 MB | 167 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Letters to Beyond LLC](https://appshunter.io/developer/1896470495) | [Avicenna Research Inc.](https://appshunter.io/developer/1137173051) |

## What reviewers say

### Letters to Beyond

[App page](https://appshunter.io/ios/app/letters-to-beyond/id6767394594)

This app offers a private space to express thoughts and feelings to loved ones, past or present. It allows users to write letters or record voice notes, with optional prompts to guide their writing. Your messages are kept confidential and are not shared or used for AI training.

**Highlights:** Write private letters, Record voice notes, Guided writing prompts, Secure and private storage, No AI training on user data

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

**In-app purchases:** none


### MoodMetrics Study

[App page](https://appshunter.io/ios/app/moodmetrics-study/id6777770007)

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

**In-app purchases:** none


## Frequently asked questions

### Is Letters to Beyond free?

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

### Is MoodMetrics Study free?

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

### Do Letters to Beyond or MoodMetrics Study have ads?

Neither Letters to Beyond nor MoodMetrics Study 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.*