# Bonely vs Marrow

The clearest difference is update cadence: Bonely at every 3 days against Marrow's every 8 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Bonely sells 2 in-app purchases, starting at $2.99 per month and Marrow sells 2 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Bonely ships an update every 3 days, Marrow every 8 days. The most recent releases landed on October 6, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Bonely | Marrow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (9 ratings)](https://appshunter.io/ios/app/bonely-calcium-tracker/id6760176652/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 8 days |
| Monetization | Freemium | — |
| Size | 5 MB | 1 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ayush Kumar Agarwal](https://appshunter.io/developer/1879756952) | [Linh Phan Nhat Khanh](https://appshunter.io/developer/1777727575) |

## What reviewers say

### Bonely

[App page](https://appshunter.io/ios/app/bonely-calcium-tracker/id6760176652)

Easily monitor your daily calcium consumption to foster better bone health. Log foods, set personal goals, and receive smart alerts to ensure consistent intake. Gain clear insights into your progress with visual charts.

**Highlights:** Log calcium-rich foods, Add custom foods with calcium values, Adjust food portion amounts, Set personal daily calcium goals, Receive smart calcium intake alerts, View weekly progress insights

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bonely Premium Monthly | $2.99 | per month |
| Bonely Premium Yearly | $19.99 | per year |


### Marrow

[App page](https://appshunter.io/ios/app/marrow-calcium-tracker/id6773758848)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Marrow Bone Health Weekly | $9.99 | per 7 days |
| Marrow Bone Health Yearly | $49.99 | per year |


## Frequently asked questions

### Is Bonely free?

Bonely is free to download, with in-app purchases available.

### Is Marrow free?

Marrow is free to download, with in-app purchases available.

### Do Bonely or Marrow have ads?

Neither Bonely nor Marrow shows ads.

### Which is updated more often, Bonely or Marrow?

Bonely ships an update every 3 days, and Marrow every 8 days. Most recently, Bonely was updated on October 6, 2026 and Marrow on October 13, 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.*