# BFMeter vs SleepDiary

The clearest difference is device support: SleepDiary at 3 against BFMeter's —. BFMeter's advantage is iOS requirement (16.0 vs 18.6). On price and in-app purchases there is nothing between them.

Both are free to download. BFMeter 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.

## The numbers

| Metric | BFMeter | SleepDiary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | — | No |
| Update frequency | — | Every 5 days |
| Size | 4 MB | 4 MB |
| Requires iOS | **16.0** | 18.6 |
| Devices | — | **iPhone, iPad, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [Tomihiro Fushino](https://appshunter.io/developer/1875234927) | [璐 王](https://appshunter.io/developer/1884213493) |

## What reviewers say

### BFMeter

[App page](https://appshunter.io/ios/app/bfmeter/id6759380212)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Analysis Unlock | $3.99 | 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 BFMeter free?

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

### Is SleepDiary free?

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

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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.*