# VoltLog vs CommuniDevice

The clearest difference is in-app purchases: CommuniDevice at none against VoltLog's 3. VoltLog's advantage is ads (none vs shown) and update cadence (every 10 days vs every 3 weeks). 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. CommuniDevice asks for nothing beyond the download.

VoltLog ships an update every 10 days, CommuniDevice every 3 weeks. The most recent releases landed on October 25, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | VoltLog | CommuniDevice |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Size | 54 MB | 9 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Filip Rusin](https://appshunter.io/developer/1883368937) | [CommuniDev LLC](https://appshunter.io/developer/1896546203) |

## 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 |


### CommuniDevice

[App page](https://appshunter.io/ios/app/communidevice/id6806741658)

**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 CommuniDevice free?

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

### Do VoltLog or CommuniDevice have ads?

CommuniDevice shows ads; VoltLog does not.

### Which is updated more often, VoltLog or CommuniDevice?

VoltLog ships an update every 10 days, and CommuniDevice every 3 weeks. Most recently, VoltLog was updated on October 25, 2026 and CommuniDevice on October 26, 2026.

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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.*