# Gieo Quẻ Dịch vs Open Activate

The clearest difference is in-app purchases: Open Activate at none against Gieo Quẻ Dịch's 1. Open Activate also leads on update cadence (weekly vs every 31 months) and iOS requirement (13.0 vs 15.0). Gieo Quẻ Dịch's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Gieo Quẻ Dịch sells 1 one-off in-app purchase. Open Activate asks for nothing beyond the download.

Gieo Quẻ Dịch ships an update every 31 months, Open Activate weekly. The most recent releases landed on October 5, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Gieo Quẻ Dịch | Open Activate |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gieo-que-dich/id1046438802/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 31 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 40 MB | 30 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Mai The Hung](https://appshunter.io/developer/816780965) | [Xuan Truong Pham Le](https://appshunter.io/developer/1859511331) |

## What reviewers say

### Gieo Quẻ Dịch

[App page](https://appshunter.io/ios/app/gieo-que-dich/id1046438802)

This app uses the classic three-coin method to cast divination hexagrams based on the I Ching. It provides insights and support for decision-making when facing dilemmas or before undertaking important tasks. Explore the wisdom of Eastern culture and enjoy this unique predictive tool.

**Highlights:** Three-coin divination method, 8 trigrams, 64 hexagrams, 384 lines, Decision-making support, Eastern cultural insights, Predictive tool, User-friendly interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coins Drop | $2.99 | one-time |


### Open Activate

[App page](https://appshunter.io/ios/app/open-activate/id6782564315)

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

**In-app purchases:** none


## Frequently asked questions

### Is Gieo Quẻ Dịch free?

Gieo Quẻ Dịch is free to download, with in-app purchases available.

### Is Open Activate free?

Open Activate is free to download, with no in-app purchases.

### Do Gieo Quẻ Dịch or Open Activate have ads?

Open Activate shows ads; Gieo Quẻ Dịch does not.

### Which is updated more often, Gieo Quẻ Dịch or Open Activate?

Gieo Quẻ Dịch ships an update every 31 months, and Open Activate weekly. Most recently, Gieo Quẻ Dịch was updated on October 5, 2026 and Open Activate on October 17, 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.*