# FriendVault vs SleepDiary

The clearest difference is iOS requirement: FriendVault at 16.6 against SleepDiary's 18.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. FriendVault sells 1 one-off in-app purchase and SleepDiary sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

FriendVault ships an update weekly, SleepDiary every 5 days. The most recent releases landed on October 3, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | FriendVault | SleepDiary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 5 days** |
| Size | 32 MB | 4 MB |
| Requires iOS | **16.6** | 18.6 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Coast Solutions OÜ](https://appshunter.io/developer/1877883252) | [璐 王](https://appshunter.io/developer/1884213493) |

## What reviewers say

### FriendVault

[App page](https://appshunter.io/ios/app/friendvault/id6759299538)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock FriendVault | $2.99 | one-time |


### SleepDiary

[App page](https://appshunter.io/ios/app/sleepdiary/id6760534533)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 睡眠声音日记 Pro | $0.99 | per month |
| 睡眠声音日记 Pro | $4.99 | per year |
| 睡眠日记 Pro | $9.99 | one-time |


## Frequently asked questions

### Is FriendVault free?

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

### Is SleepDiary free?

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

### Do FriendVault or SleepDiary have ads?

Neither FriendVault nor SleepDiary shows ads.

### Which is updated more often, FriendVault or SleepDiary?

FriendVault ships an update weekly, and SleepDiary every 5 days. Most recently, FriendVault was updated on October 3, 2026 and SleepDiary on October 1, 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.*