# Tacit OA vs Eastsoft 智能光伏

The clearest difference is update cadence: Tacit OA at every 3 weeks against Eastsoft 智能光伏's every 8 months. Tacit OA also leads on iOS requirement (11.0 vs 13.0). 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.

Tacit OA ships an update every 3 weeks, Eastsoft 智能光伏 every 8 months. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Tacit OA | Eastsoft 智能光伏 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 8 months |
| Size | 154 MB | 48 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jiu Tian Yun Technology (wuhan) Limited Company](https://appshunter.io/developer/1554438567) | [青岛东软载波科技股份有限公司](https://appshunter.io/developer/1631118460) |

## What reviewers say

### Tacit OA

[App page](https://appshunter.io/ios/app/tacit-oa/id1554438565)

**Features:** macOS Compatibility

**In-app purchases:** none


### Eastsoft 智能光伏

[App page](https://appshunter.io/ios/app/eastsoft/id1635922678)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tacit OA free?

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

### Is Eastsoft 智能光伏 free?

Eastsoft 智能光伏 is free to download, with no in-app purchases.

### Do Tacit OA or Eastsoft 智能光伏 have ads?

Neither Tacit OA nor Eastsoft 智能光伏 shows ads.

### Which is updated more often, Tacit OA or Eastsoft 智能光伏?

Tacit OA ships an update every 3 weeks, and Eastsoft 智能光伏 every 8 months. Most recently, Tacit OA was updated on October 25, 2026 and Eastsoft 智能光伏 on October 27, 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.*