# PowerNav vs CMSV8

The clearest difference is update cadence: CMSV8 at every 3 weeks against PowerNav's every 19 months. CMSV8 also leads on iOS requirement (12.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

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

PowerNav ships an update every 19 months, CMSV8 every 3 weeks. The most recent releases landed on October 3, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | PowerNav | CMSV8 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 3 weeks** |
| Size | 139 MB | 26 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [POWER IOT SOLUTIONS, INC.](https://appshunter.io/developer/1614780581) | [永福 李](https://appshunter.io/developer/595580242) |

## What reviewers say

### PowerNav

[App page](https://appshunter.io/ios/app/powernav/id1640048853)

**Features:** macOS Compatibility

**In-app purchases:** none


### CMSV8

[App page](https://appshunter.io/ios/app/cmsv8/id6448168451)

**In-app purchases:** none


## Frequently asked questions

### Is PowerNav free?

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

### Is CMSV8 free?

CMSV8 is free to download, with no in-app purchases.

### Do PowerNav or CMSV8 have ads?

Neither PowerNav nor CMSV8 shows ads.

### Which is updated more often, PowerNav or CMSV8?

PowerNav ships an update every 19 months, and CMSV8 every 3 weeks. Most recently, PowerNav was updated on October 3, 2026 and CMSV8 on October 15, 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.*