# 心通达OA vs Private Notes Daily.

The clearest difference is device support: 心通达OA at 3 against Private Notes Daily.'s 1. 心通达OA also leads on iOS requirement (15.6 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

心通达OA ships an update every 5 months, Private Notes Daily. every 4 months. The most recent releases landed on June 25, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | 心通达OA | Private Notes Daily. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/oa/id1303449816/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 71 MB | 3 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [波 高](https://appshunter.io/developer/964019392) | [向龙 卢](https://appshunter.io/developer/1852387695) |

## What reviewers say

### 心通达OA

[App page](https://appshunter.io/ios/app/oa/id1303449816)

This intelligent OA platform leverages cloud computing, AI, and big data to enhance traditional office operations. It focuses on system integration, industry applications, and smart workflow engines to support smart city cloud platforms and create efficient collaborative environments for organizations.

**Highlights:** Cloud-based SaaS architecture, AI, Big Data, and Machine Learning integration, Smart workflow engine, PaaS development platform, Mobile office support, Supports private cloud deployment, Multi-tenancy and multi-language support

**Features:** macOS Compatibility

**In-app purchases:** none


### Private Notes Daily.

[App page](https://appshunter.io/ios/app/private-notes-daily/id6762111371)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 心通达OA free?

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

### Is Private Notes Daily. free?

Private Notes Daily. is free to download, with no in-app purchases.

### Do 心通达OA or Private Notes Daily. have ads?

Neither 心通达OA nor Private Notes Daily. shows ads.

### Which is updated more often, 心通达OA or Private Notes Daily.?

心通达OA ships an update every 5 months, and Private Notes Daily. every 4 months. Most recently, 心通达OA was updated on June 25, 2026 and Private Notes Daily. on September 13, 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.*