# Power Estimator vs Battery Inventory

The clearest difference is in-app purchases: Power Estimator at none against Battery Inventory's 2. Battery Inventory's advantage is iOS requirement (17.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Battery Inventory sells 2 in-app purchases, starting at $2.99 per month. Power Estimator asks for nothing beyond the download.

## The numbers

| Metric | Power Estimator | Battery Inventory |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 9 days |
| Size | 2 MB | 6 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad, Vision Pro** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Arutunian LLC](https://appshunter.io/developer/1036342699) | [Tamas Bereczki](https://appshunter.io/developer/1896398420) |

## What reviewers say

### Power Estimator

[App page](https://appshunter.io/ios/app/power-estimator/id6759549885)

**Features:** macOS Compatibility

**In-app purchases:** none


### Battery Inventory

[App page](https://appshunter.io/ios/app/battery-inventory/id6784595492)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Battery Inventory Pro Monthly | $2.99 | per month |
| Battery Inventory Pro Yearly | $19.99 | per year |


## Frequently asked questions

### Is Power Estimator free?

Power Estimator is free to download, with no in-app purchases.

### Is Battery Inventory free?

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

### Do Power Estimator or Battery Inventory have ads?

Neither Power Estimator nor Battery Inventory 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.*