# 材料云 vs Nelop

The clearest difference is update cadence: 材料云 at every 11 days against Nelop's every 3 weeks. 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.

材料云 ships an update every 11 days, Nelop every 3 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 材料云 | Nelop |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/nelop/id6744955002/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 3 weeks |
| Monetization | — | Free |
| Size | 19 MB | 61 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Xi'an Yuncang Materials Technology Co.,Ltd](https://appshunter.io/developer/1431639642) | [innioasis](https://appshunter.io/developer/1789069394) |

## What reviewers say

### 材料云

[App page](https://appshunter.io/ios/app/id1521130762)

**Features:** macOS Compatibility

**In-app purchases:** none


### Nelop

[App page](https://appshunter.io/ios/app/nelop/id6744955002)

This app works with compatible smart hearing aids to perform hearing tests and adjust settings. Users can manually or automatically modify parameters like gain, noise reduction, and volume based on test results. It serves as an auxiliary tool and does not replace professional medical advice.

**Highlights:** Hearing tests, Manual parameter adjustment, Automatic gain adjustment, Noise reduction settings, Volume control, Frequency band adjustment

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

**In-app purchases:** none


## Frequently asked questions

### Is 材料云 free?

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

### Is Nelop free?

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

### Do 材料云 or Nelop have ads?

Neither 材料云 nor Nelop shows ads.

### Which is updated more often, 材料云 or Nelop?

材料云 ships an update every 11 days, and Nelop every 3 weeks. Most recently, 材料云 was updated on November 3, 2026 and Nelop on October 30, 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.*