# CalmFlow vs MoonVault

The clearest difference is update cadence: MoonVault at every 2 days against CalmFlow's every 3 months. MoonVault also leads on iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. CalmFlow sells 2 in-app purchases, starting at $4.99 per month and MoonVault sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

CalmFlow ships an update every 3 months, MoonVault every 2 days. The most recent releases landed on October 1, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | CalmFlow | MoonVault |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Size | 52 MB | 56 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mark Mager](https://appshunter.io/developer/1874161456) | [AHMET MAMI](https://appshunter.io/developer/1859249204) |

## What reviewers say

### CalmFlow

[App page](https://appshunter.io/ios/app/calmflow-menopause-tracker/id6759929944)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CalmFlow Pro Monthly | $4.99 | per month |
| CalmFlow Pro Yearly | $29.99 | per year |


### MoonVault

[App page](https://appshunter.io/ios/app/moonvault/id6777694250)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MoonVault Plus Monthly | $2.99 | per month |
| MoonVault Plus Yearly | $19.99 | per year |
| MoonVault Plus Lifetime | $37.00 | one-time |


## Frequently asked questions

### Is CalmFlow free?

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

### Is MoonVault free?

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

### Do CalmFlow or MoonVault have ads?

Neither CalmFlow nor MoonVault shows ads.

### Which is updated more often, CalmFlow or MoonVault?

CalmFlow ships an update every 3 months, and MoonVault every 2 days. Most recently, CalmFlow was updated on October 1, 2026 and MoonVault on October 15, 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.*