# 角度测量 vs SolVisIQ

The clearest difference is in-app purchases: 角度测量 at none against SolVisIQ's 3. SolVisIQ's advantage is update cadence (every 4 days vs every 9 months) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. SolVisIQ sells 3 in-app purchases, starting at $1.99 per month. 角度测量 asks for nothing beyond the download.

角度测量 ships an update every 9 months, SolVisIQ every 4 days. The most recent releases landed on November 9, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | 角度测量 | SolVisIQ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 4 days** |
| Size | 24 MB | 36 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [蒙 宋](https://appshunter.io/developer/1866816979) | [MARIUS EROL PERCHIATA](https://appshunter.io/developer/1896677938) |

## What reviewers say

### 角度测量

[App page](https://appshunter.io/ios/app/id6757424108)

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

**In-app purchases:** none


### SolVisIQ

[App page](https://appshunter.io/ios/app/solvisiq/id6770631249)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SolVisIQ Pro Monthly | $1.99 | per month |
| SolVisIQ Pro Annual | $17.99 | per year |
| SolVisIQ Pro Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is 角度测量 free?

角度测量 is free to download, with no in-app purchases.

### Is SolVisIQ free?

SolVisIQ is free to download, with in-app purchases available.

### Do 角度测量 or SolVisIQ have ads?

Neither 角度测量 nor SolVisIQ shows ads.

### Which is updated more often, 角度测量 or SolVisIQ?

角度测量 ships an update every 9 months, and SolVisIQ every 4 days. Most recently, 角度测量 was updated on November 9, 2026 and SolVisIQ on November 10, 2026.

---

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