# 三力智能 vs Visual Displacement Meter

The clearest difference is update cadence: Visual Displacement Meter at fortnightly against 三力智能's every 5 weeks. 三力智能's advantage is iOS requirement (12.0 vs 15.0). 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.

三力智能 ships an update every 5 weeks, Visual Displacement Meter fortnightly. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 三力智能 | Visual Displacement Meter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Size | 84 MB | 59 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Sanli Software Development Company Limited](https://appshunter.io/developer/1438711666) | [Inteagle Information Technology(Dongguan) Co., Ltd.](https://appshunter.io/developer/1720865930) |

## What reviewers say

### 三力智能

[App page](https://appshunter.io/ios/app/id1665020315)

**Features:** macOS Compatibility

**In-app purchases:** none


### Visual Displacement Meter

[App page](https://appshunter.io/ios/app/visual-displacement-meter/id6749835043)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 三力智能 free?

三力智能 is free to download, with no in-app purchases.

### Is Visual Displacement Meter free?

Visual Displacement Meter is free to download, with no in-app purchases.

### Do 三力智能 or Visual Displacement Meter have ads?

Neither 三力智能 nor Visual Displacement Meter shows ads.

### Which is updated more often, 三力智能 or Visual Displacement Meter?

三力智能 ships an update every 5 weeks, and Visual Displacement Meter fortnightly. Most recently, 三力智能 was updated on October 25, 2026 and Visual Displacement Meter on October 28, 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.*