# I Ching vs sp8cetime

The clearest difference is review sentiment: sp8cetime at 91% against I Ching's 0%. I Ching's advantage is monetization model (free with in-app purchases vs subscription). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. I Ching sells 1 one-off in-app purchase and sp8cetime sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

I Ching ships an update every 15 months, sp8cetime every 10 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | I Ching | sp8cetime |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (90 ratings)](https://appshunter.io/ios/app/sp8cetime/id1484279477/reviews)** |
| Number of ratings | — | **90** |
| Positive reviews | 0.0% of reviews | **90.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 10 months** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 15 MB | 180 MB |
| Requires iOS | **10.0** | 11.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Keung Wah Chan](https://appshunter.io/developer/434557621) | [I Love View Inc.](https://appshunter.io/developer/991946336) |

## What reviewers say

### I Ching

[App page](https://appshunter.io/ios/app/i-ching-chinese-divination/id833356925)

This app provides users with a tool for self-divination using the ancient I Ching (Book of Changes) principles. It offers guidance on various life aspects, including luck, love, career, and health, helping users understand their current situation and navigate future challenges.

**Highlights:** Divination across 13 categories, Guidance on luck, love, career, and health, Ancient I Ching principles, Self-divination tool, Future status guidance, Unique Taiji circle animation

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| I Ching -- The Full Feature Version | $4.99 | one-time |


### sp8cetime

[App page](https://appshunter.io/ios/app/sp8cetime/id1484279477)

Explore the cyclical nature of time and dimensions of space through the lens of Chinese Metaphysics. Discover patterns beyond the ordinary, tracing the creation, process, and return of all things. Understand the fundamental principles that govern the universe and your place within it.

**Highlights:** Cyclical time measurement, Spatial dimension exploration, Chinese Metaphysics principles, Patterns of creation, process, return, Heaven and Earth movements, Wind and Water guidance, Dao, Wuji, Taiji, Yin/Yang, Elements, Trigrams, Stems, Branches

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly $9.99 | $9.99 | per month |
| Yearly $99.99 | $99.99 | per year |

**What reviewers like**

- 👍 Comprehensive Chinese Metaphysics app
- 👍 Great integration of Bazi, Qimen, Feng Shui
- 👍 Informative for learning Ba Zi and Feng Shui
- 👍 Accurate calculations (for some users)
- 👍 User-friendly interface

**What reviewers complain about**

- 💰 Locked behind a subscription
- 🐛 Stuck at initial load screen
- ❓ Lacks in-app guidance for understanding
- ❓ Polarity issues for some branches
- ❓ No option for seconds pillar

**Reported bugs**

- App stuck at initial load screen
- Wrong polarity for water/fire branch
- QMDJ page resets when exiting app
- QMDJ not linked with Bazi data

**Requested features**

- Add seconds pillar for horary Oracle
- Improve QMDJ persistence and linking
- Add map locations for Feng Shui
- Add in-app guidance for understanding concepts
- Add translation option for other languages


## Frequently asked questions

### Is I Ching free?

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

### Is sp8cetime free?

sp8cetime is free to download, with in-app purchases available.

### Do I Ching or sp8cetime have ads?

Neither I Ching nor sp8cetime shows ads.

### Which is updated more often, I Ching or sp8cetime?

I Ching ships an update every 15 months, and sp8cetime every 10 months. Most recently, I Ching was updated on November 1, 2026 and sp8cetime on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*