# 量信 vs 长沙云OA

The clearest difference is update cadence: 量信 at every 9 days against 长沙云OA's every 6 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.

量信 ships an update every 9 days, 长沙云OA every 6 months. Both last shipped on October 30, 2026.

## The numbers

| Metric | 量信 | 长沙云OA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 6 months |
| Size | 154 MB | 56 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Nanjing e-Quantum Information Technology Co., Ltd](https://appshunter.io/developer/1602169761) | [Newtop LLC](https://appshunter.io/developer/852343038) |

## What reviewers say

### 量信

[App page](https://appshunter.io/ios/app/id1602169759)

**In-app purchases:** none


### 长沙云OA

[App page](https://appshunter.io/ios/app/oa/id1645041617)

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

**In-app purchases:** none


## Frequently asked questions

### Is 量信 free?

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

### Is 长沙云OA free?

长沙云OA is free to download, with no in-app purchases.

### Do 量信 or 长沙云OA have ads?

Neither 量信 nor 长沙云OA shows ads.

### Which is updated more often, 量信 or 长沙云OA?

量信 ships an update every 9 days, and 长沙云OA every 6 months. Most recently, 量信 was updated on October 30, 2026 and 长沙云OA 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.*