# NNPO vs WF

The clearest difference is update cadence: WF at every 6 days against NNPO's every 2 months. WF also leads on iOS requirement (11.0 vs 14.2). 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.

NNPO ships an update every 2 months, WF every 6 days. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | NNPO | WF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (2 ratings)](https://appshunter.io/ios/app/nnpo/id1570390251/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | Free | — |
| Size | 27 MB | 42 MB |
| Requires iOS | 14.2 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Shenzhen NNPO Technology Co.,Ltd](https://appshunter.io/developer/1570390253) | [高敏 黄](https://appshunter.io/developer/1705538002) |

## What reviewers say

### NNPO

[App page](https://appshunter.io/ios/app/nnpo/id1570390251)

This app provides advanced thermal imaging and infrared night vision capabilities for your device. It allows users to view and capture thermal data, enhancing visibility in low-light conditions.

**Highlights:** Thermal image scope, IR night vision, Low-light visibility enhancement, Capture thermal data

**Features:** macOS Compatibility

**In-app purchases:** none


### WF

[App page](https://appshunter.io/ios/app/wf-sight/id6464112543)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NNPO free?

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

### Is WF free?

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

### Do NNPO or WF have ads?

Neither NNPO nor WF shows ads.

### Which is updated more often, NNPO or WF?

NNPO ships an update every 2 months, and WF every 6 days. Most recently, NNPO was updated on October 24, 2026 and WF on October 11, 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.*