# NanoBattery vs VoltLog

The clearest difference is in-app purchases: NanoBattery at none against VoltLog's 3. NanoBattery also leads on device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. VoltLog sells 3 in-app purchases, starting at $9.99 per month. NanoBattery asks for nothing beyond the download.

## The numbers

| Metric | NanoBattery | VoltLog |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 10 days |
| Size | 16 MB | 54 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Giovanni Outerleys](https://appshunter.io/developer/1557846953) | [Filip Rusin](https://appshunter.io/developer/1883368937) |

## What reviewers say

### NanoBattery

[App page](https://appshunter.io/ios/app/nanobattery/id6756941302)

**Features:** macOS Compatibility

**In-app purchases:** none


### VoltLog

[App page](https://appshunter.io/ios/app/voltlog-battery-logs/id6766874761)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $9.99 | per month |
| Yearly Pro | $39.99 | per year |
| Lifetime Pro | $99.99 | one-time |


## Frequently asked questions

### Is NanoBattery free?

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

### Is VoltLog free?

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

### Do NanoBattery or VoltLog have ads?

Neither NanoBattery nor VoltLog 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.*