# 日历 vs i交院

The clearest difference is in-app purchases: i交院 at none against 日历's 1. i交院 also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. 日历 sells 1 one-off in-app purchase. i交院 asks for nothing beyond the download.

日历 ships an update fortnightly, i交院 every 3 weeks. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 日历 | i交院 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (8 ratings)](https://appshunter.io/ios/app/id1562664512/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 25 MB | 94 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [运 陈](https://appshunter.io/developer/1135289314) | [上海树维信息科技有限公司](https://appshunter.io/developer/994850925) |

## What reviewers say

### 日历

[App page](https://appshunter.io/ios/app/id1562664512)

This utility app offers a comprehensive calendar with features like weather forecasts, traditional Chinese almanac information (Huangli), and a lunar calendar. It also includes details on holidays and solar terms, providing a rich set of daily planning tools.

**Highlights:** 万年历查询 (Perpetual calendar lookup), 天气预报 (Weather forecast), 黄历宜忌 (Huangli auspicious/inauspicious days), 节日节气 (Holidays and solar terms), 农历查询 (Lunar calendar lookup)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP - 去除广告 | $0.99 | one-time |


### i交院

[App page](https://appshunter.io/ios/app/i/id1595531684)

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

**In-app purchases:** none


## Frequently asked questions

### Is 日历 free?

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

### Is i交院 free?

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

### Do 日历 or i交院 have ads?

日历 shows ads; i交院 does not.

### Which is updated more often, 日历 or i交院?

日历 ships an update fortnightly, and i交院 every 3 weeks. Most recently, 日历 was updated on October 24, 2026 and i交院 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.*