# 易臣云OA vs Cool Schedule

The clearest difference is price: 易臣云OA at Free against Cool Schedule's $2.99. 易臣云OA also leads on iOS requirement (11.0 vs 16.0). Cool Schedule's advantage is update cadence (weekly vs every 2 months). On ads, in-app purchases and device support there is nothing between them.

易臣云OA is free to download; Cool Schedule costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

易臣云OA ships an update every 2 months, Cool Schedule weekly. The most recent releases landed on September 20, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | 易臣云OA | Cool Schedule |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | — | **[4.8 (5 ratings)](https://appshunter.io/ios/app/cool-schedule/id6741765217/reviews)** |
| Number of ratings | — | **5** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | — | Paid |
| Size | 252 MB | 2 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Guangdong Ecinc Information Technology Co., Ltd.](https://appshunter.io/developer/1622150968) | [仁超 张](https://appshunter.io/developer/1792659119) |

## What reviewers say

### 易臣云OA

[App page](https://appshunter.io/ios/app/oa/id1623123792)

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

**In-app purchases:** none


### Cool Schedule

[App page](https://appshunter.io/ios/app/cool-schedule/id6741765217)

Manage team schedules and communicate effectively with this professional scheduling software. It offers flexible shift settings, employee management, automatic salary calculations, and detailed statistical analysis for businesses.

**Highlights:** Shift schedule viewing (month/week), Flexible employee shift settings, Automatic salary calculation, Working hours and salary statistics, Employee basic information management, Holiday and adjustment arrangements

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

**In-app purchases:** none


## Frequently asked questions

### Is 易臣云OA free?

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

### Is Cool Schedule free?

Cool Schedule costs $2.99, with no in-app purchases.

### Do 易臣云OA or Cool Schedule have ads?

Neither 易臣云OA nor Cool Schedule shows ads.

### Which is updated more often, 易臣云OA or Cool Schedule?

易臣云OA ships an update every 2 months, and Cool Schedule weekly. Most recently, 易臣云OA was updated on September 20, 2026 and Cool Schedule on September 15, 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.*