# NSYS Buy Back vs LaserPowerMeter

The clearest difference is update cadence: NSYS Buy Back at every 2 months against LaserPowerMeter's every 13 months. 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.

NSYS Buy Back ships an update every 2 months, LaserPowerMeter every 13 months. The most recent releases landed on October 16, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | NSYS Buy Back | LaserPowerMeter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 13 months |
| Size | 23 MB | 29 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Grigoriy Glazman](https://appshunter.io/developer/1448501053) | [爱新 周](https://appshunter.io/developer/1581769206) |

## What reviewers say

### NSYS Buy Back

[App page](https://appshunter.io/ios/app/nsys-buy-back/id1545431029)

**Features:** macOS Compatibility

**In-app purchases:** none


### LaserPowerMeter

[App page](https://appshunter.io/ios/app/laserpowermeter/id6472035763)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NSYS Buy Back free?

NSYS Buy Back is free to download, with no in-app purchases.

### Is LaserPowerMeter free?

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

### Do NSYS Buy Back or LaserPowerMeter have ads?

Neither NSYS Buy Back nor LaserPowerMeter shows ads.

### Which is updated more often, NSYS Buy Back or LaserPowerMeter?

NSYS Buy Back ships an update every 2 months, and LaserPowerMeter every 13 months. Most recently, NSYS Buy Back was updated on October 16, 2026 and LaserPowerMeter on October 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*