# 易卦精解 vs Ovidius

The clearest difference is price: 易卦精解 at Free against Ovidius's $2.99. 易卦精解 also leads on iOS requirement (7.0 vs 15.0). Ovidius's advantage is update cadence (every 5 months vs every 56 months). On ads, in-app purchases and device support there is nothing between them.

易卦精解 is free to download; Ovidius costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

易卦精解 ships an update every 56 months, Ovidius every 5 months. The most recent releases landed on October 29, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | 易卦精解 | Ovidius |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/id432734673/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 56 months | **Every 5 months** |
| Monetization | — | Paid |
| Size | 7 MB | 5 MB |
| Requires iOS | **7.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Martin NGAI](https://appshunter.io/developer/319448337) | [Yu Tse Wu](https://appshunter.io/developer/1032252133) |

## What reviewers say

### 易卦精解

[App page](https://appshunter.io/ios/app/id432734673)

**In-app purchases:** none


### Ovidius

[App page](https://appshunter.io/ios/app/ovidius/id1070104512)

This app provides access to ancient Chinese philosophical texts, including the I Ching and its commentaries. Explore foundational concepts of cosmology, ethics, and change through classic writings.

**Highlights:** I Ching text, Commentaries included, Ancient Chinese philosophy, Foundational concepts, Cosmology and ethics

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

**In-app purchases:** none


## Frequently asked questions

### Is 易卦精解 free?

易卦精解 is free to download, with no in-app purchases.

### Is Ovidius free?

Ovidius costs $2.99, with no in-app purchases.

### Do 易卦精解 or Ovidius have ads?

Neither 易卦精解 nor Ovidius shows ads.

### Which is updated more often, 易卦精解 or Ovidius?

易卦精解 ships an update every 56 months, and Ovidius every 5 months. Most recently, 易卦精解 was updated on October 29, 2026 and Ovidius on November 1, 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.*