# i河工 vs 大六壬(工具)

The clearest difference is rating: i河工 at 4.0 against 大六壬(工具)'s 2.8. i河工 also leads on in-app purchases (none vs 1) and ads (none vs shown). 大六壬(工具)'s advantage is update cadence (monthly vs every 10 months) and review sentiment (33% vs 5%). On price, ratings volume and device support there is nothing between them.

Both are free to download. 大六壬(工具) sells 1 one-off in-app purchase. i河工 asks for nothing beyond the download.

i河工 holds the better App Store score, 4.0 against 2.8. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews complicate that: 5% of i河工's written reviews are positive against 33% of 大六壬(工具)'s, so the app with the better star average is not the one people write more warmly about.

i河工 ships an update every 10 months, 大六壬(工具) monthly. The most recent releases landed on August 16, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | i河工 | 大六壬(工具) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/i/id1436019740/reviews)** | [2.8 (4 ratings)](https://appshunter.io/ios/app/id1551222422/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | 4.5% of reviews | **33.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 111 MB | 48 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [北京新中新诚通信息技术股份有限公司](https://appshunter.io/developer/736575065) | [Wanchun Zhang](https://appshunter.io/developer/1527439315) |

## What reviewers say

### i河工

[App page](https://appshunter.io/ios/app/i/id1436019740)

This app provides comprehensive mobile services for campus cards, including payments, reservations, and card management. It offers features like recharging, balance inquiries, and reporting lost cards, alongside booking campus facilities.

**Highlights:** Campus card management, Recharge and balance inquiries, Bill and transaction history, Lost card reporting, Campus facility reservations, Campus fee payments

**In-app purchases:** none


### 大六壬(工具)

[App page](https://appshunter.io/ios/app/id1551222422)

This utility app simplifies the complex process of creating Liu Ren divination charts. It offers multiple methods for chart generation, detailed interpretations based on ancient texts, and comprehensive explanations of celestial bodies and auspicious/inauspicious signs.

**Highlights:** Multiple chart generation methods, Detailed ancient text interpretations, Celestial body and sign explanations, Lunar calendar and zodiac conversions, Various noble person selection methods, Comprehensive chart element display

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 专业版 | $12.99 | one-time |


## Frequently asked questions

### Is i河工 free?

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

### Is 大六壬(工具) free?

大六壬(工具) is free to download, with in-app purchases available.

### Which has better reviews, i河工 or 大六壬(工具)?

i河工 is rated higher. i河工 averages 4.0 out of 5 from 2 ratings, while 大六壬(工具) averages 2.8 from 4 ratings.

### Do i河工 or 大六壬(工具) have ads?

大六壬(工具) shows ads; i河工 does not.

### Which is updated more often, i河工 or 大六壬(工具)?

i河工 ships an update every 10 months, and 大六壬(工具) monthly. Most recently, i河工 was updated on August 16, 2026 and 大六壬(工具) on October 5, 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.*