# COMASS PL222 vs VoltSense

COMASS PL222 and VoltSense are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

COMASS PL222 ships an update every 8 months, VoltSense every 7 months. The most recent releases landed on May 17, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | COMASS PL222 | VoltSense |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 7 months** |
| Size | 1 MB | 70 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [EQUITRAX CORPORATE VENTURES PRIVATE LIMITED](https://appshunter.io/developer/1241760217) | [Purpletail OU](https://appshunter.io/developer/1761328539) |

## What reviewers say

### COMASS PL222

[App page](https://appshunter.io/ios/app/comass-pl222/id6468660627)

**In-app purchases:** none


### VoltSense

[App page](https://appshunter.io/ios/app/voltsense/id6621183757)

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

**In-app purchases:** none


## Frequently asked questions

### Is COMASS PL222 free?

COMASS PL222 is free to download, with no in-app purchases.

### Is VoltSense free?

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

### Do COMASS PL222 or VoltSense have ads?

Neither COMASS PL222 nor VoltSense shows ads.

### Which is updated more often, COMASS PL222 or VoltSense?

COMASS PL222 ships an update every 8 months, and VoltSense every 7 months. Most recently, COMASS PL222 was updated on May 17, 2026 and VoltSense on September 9, 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.*