# PVTECH vs Strong Lumen

The clearest difference is iOS requirement: PVTECH at 12.0 against Strong Lumen's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

PVTECH ships an update every 6 weeks, Strong Lumen every 5 weeks. The most recent releases landed on September 30, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | PVTECH | Strong Lumen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Size | 28 MB | 32 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [普为光电科技有限公司](https://appshunter.io/developer/1649073318) | [深圳市强流明光电有限公司](https://appshunter.io/developer/1847578322) |

## What reviewers say

### PVTECH

[App page](https://appshunter.io/ios/app/pvtech/id6443754377)

**In-app purchases:** none


### Strong Lumen

[App page](https://appshunter.io/ios/app/strong-lumen/id6754271831)

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

**In-app purchases:** none


## Frequently asked questions

### Is PVTECH free?

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

### Is Strong Lumen free?

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

### Do PVTECH or Strong Lumen have ads?

Neither PVTECH nor Strong Lumen shows ads.

### Which is updated more often, PVTECH or Strong Lumen?

PVTECH ships an update every 6 weeks, and Strong Lumen every 5 weeks. Most recently, PVTECH was updated on September 30, 2026 and Strong Lumen on October 6, 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.*