# VoltLog vs RynDevice

The clearest difference is in-app purchases: RynDevice at none against VoltLog's 3. VoltLog's advantage is ads (none vs shown) and iOS requirement (16.0 vs 26.0). On price and device support there is nothing between them.

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

## The numbers

| Metric | VoltLog | RynDevice |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | — |
| Size | 54 MB | 25 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Filip Rusin](https://appshunter.io/developer/1883368937) | [Chi Won Choi](https://appshunter.io/developer/668526413) |

## What reviewers say

### 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 |


### RynDevice

[App page](https://appshunter.io/ios/app/ryndevice-device-info/id6810525385)

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

**In-app purchases:** none


## Frequently asked questions

### Is VoltLog free?

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

### Is RynDevice free?

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

### Do VoltLog or RynDevice have ads?

RynDevice shows ads; VoltLog does not.

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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.*