# Password Notes vs Battery Life Lab AI

The clearest difference is iOS requirement: Password Notes at 11.2 against Battery Life Lab AI's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Password Notes sells 2 in-app purchases, starting at $3.99 per 7 days and Battery Life Lab AI sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Password Notes | Battery Life Lab AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/battery-life-lab-ai/id6758860614/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Monetization | — | Freemium |
| Size | 39 MB | 12 MB |
| Requires iOS | **11.2** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DATA PERSONAL](https://appshunter.io/developer/1587700276) | [Playsquare](https://appshunter.io/developer/1641687333) |

## What reviewers say

### Password Notes

[App page](https://appshunter.io/ios/app/password-notes/id1587700274)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 week subscription | $3.99 | per 7 days |
| 3 months subscription | $29.99 | per 3 months |


### Battery Life Lab AI

[App page](https://appshunter.io/ios/app/battery-life-lab-ai/id6758860614)

Gain deep insights into your device's battery health and charging habits. Analyze wear, estimate resale value, and receive optimization tips to extend battery lifespan. Understand your device's condition beyond the basic percentage.

**Highlights:** AI-powered battery health analysis, Wear level detection, Charge cycle estimation, Resale value estimation, Optimization tips, Degradation forecasting, Clean, visual reports

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $4.99 | per 7 days |
| Pro Yearly | $29.99 | per year |


## Frequently asked questions

### Is Password Notes free?

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

### Is Battery Life Lab AI free?

Battery Life Lab AI is free to download, with in-app purchases available.

### Do Password Notes or Battery Life Lab AI have ads?

Neither Password Notes nor Battery Life Lab AI shows ads.

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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.*