# 易爻(實用) vs bluetag

The clearest difference is price: bluetag at Free against 易爻(實用)'s $14.99. bluetag also leads on update cadence (every 2 weeks vs every 2 months). 易爻(實用)'s advantage is device support (3 vs 1) and iOS requirement (12.0 vs 16.6). On ads and in-app purchases there is nothing between them.

bluetag is free to download; 易爻(實用) costs $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

易爻(實用) ships an update every 2 months, bluetag every 2 weeks. The most recent releases landed on September 27, 2026 and December 18, 2025 respectively.

## The numbers

| Metric | 易爻(實用) | bluetag |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| Positive reviews | 63.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Paid | — |
| Size | 37 MB | 35 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [健 杨](https://appshunter.io/developer/463198144) | [东莞蓝签科技有限公司](https://appshunter.io/developer/1613305637) |

## What reviewers say

### 易爻(實用)

[App page](https://appshunter.io/ios/app/id586604476)

This app combines traditional Chinese divination methods like Plum Blossom I Ching and Liu Yao to generate hexagrams and provide predictions. It offers various methods for creating hexagrams, analyzes their relationships, and provides detailed astrological and symbolic information for deeper insights.

**Highlights:** Multiple hexagram generation methods, Analysis of hexagram relationships, Detailed astrological and symbolic information, Save and export data, Simplified/Traditional Chinese support, Helpful tips and classic excerpts

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

**In-app purchases:** none


### bluetag

[App page](https://appshunter.io/ios/app/bluetag/id1613305635)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 易爻(實用) free?

易爻(實用) costs $14.99, with no in-app purchases.

### Is bluetag free?

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

### Do 易爻(實用) or bluetag have ads?

Neither 易爻(實用) nor bluetag shows ads.

### Which is updated more often, 易爻(實用) or bluetag?

易爻(實用) ships an update every 2 months, and bluetag every 2 weeks. Most recently, 易爻(實用) was updated on September 27, 2026 and bluetag on December 18, 2025.

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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.*