# The Attachment Project vs Shared Heartbeat

The clearest difference is in-app purchases: Shared Heartbeat at none against The Attachment Project's 8. The Attachment Project's advantage is update cadence (every 2 days vs every 2 months) and iOS requirement (15.1 vs 17.2). On price, ads and device support there is nothing between them.

Both are free to download. The Attachment Project sells 7 in-app purchases, starting at $9.99 per month. Shared Heartbeat asks for nothing beyond the download.

The Attachment Project ships an update every 2 days, Shared Heartbeat every 2 months. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | The Attachment Project | Shared Heartbeat |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 months |
| Size | 51 MB | 13 MB |
| Requires iOS | **15.1** | 17.2 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MindOnly Pty Ltd](https://appshunter.io/developer/1877879361) | [JUAN DIEGO ALDAMA](https://appshunter.io/developer/1878346363) |

## What reviewers say

### The Attachment Project

[App page](https://appshunter.io/ios/app/the-attachment-project/id6741162079)

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $9.99 | per month |
| Advanced Well-being Insights | $1.99 | one-time |
| Premium Report + Workbook | $29.99 | one-time |
| Upgrade to Mega Book | $29.99 | one-time |
| Premium Report + Mega Book | $49.99 | one-time |
| Upgrade to Course Pack | $249.99 | one-time |
| Premium Report + Course pack | $299.99 | one-time |


### Shared Heartbeat

[App page](https://appshunter.io/ios/app/shared-heartbeat/id6759371410)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is The Attachment Project free?

The Attachment Project is free to download, with in-app purchases available.

### Is Shared Heartbeat free?

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

### Do The Attachment Project or Shared Heartbeat have ads?

Neither The Attachment Project nor Shared Heartbeat shows ads.

### Which is updated more often, The Attachment Project or Shared Heartbeat?

The Attachment Project ships an update every 2 days, and Shared Heartbeat every 2 months. Most recently, The Attachment Project was updated on October 7, 2026 and Shared Heartbeat on October 14, 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.*