# VoltLog vs PowrSync

The clearest difference is update cadence: VoltLog at every 10 days against PowrSync's monthly. VoltLog also leads on iOS requirement (16.0 vs 18.0). On price, ads, in-app purchases 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 and PowrSync sells 4 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

VoltLog ships an update every 10 days, PowrSync monthly. The most recent releases landed on October 6, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | VoltLog | PowrSync |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Monthly |
| Size | 54 MB | 2 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Filip Rusin](https://appshunter.io/developer/1883368937) | [Anh Ly](https://appshunter.io/developer/6772433402) |

## 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 |


### PowrSync

[App page](https://appshunter.io/ios/app/powrsync/id6772433280)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PowrSync Pro (Monthly) | $1.99 | per month |
| PowrSync Premium (Monthly) | $3.99 | per month |
| PowrSync Pro (Yearly) | $14.99 | per year |
| PowrSync Premium (Yearly) | $24.99 | per year |


## Frequently asked questions

### Is VoltLog free?

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

### Is PowrSync free?

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

### Do VoltLog or PowrSync have ads?

Neither VoltLog nor PowrSync shows ads.

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

VoltLog ships an update every 10 days, and PowrSync monthly. Most recently, VoltLog was updated on October 6, 2026 and PowrSync on September 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.*