# Quẻ Dịch vs iSpin

The clearest difference is in-app purchases: iSpin at none against Quẻ Dịch's 6. iSpin also leads on update cadence (every 3 weeks vs every 10 months). Quẻ Dịch's advantage is iOS requirement (9.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. Quẻ Dịch sells 6 one-off in-app purchases. iSpin asks for nothing beyond the download.

Quẻ Dịch ships an update every 10 months, iSpin every 3 weeks. The most recent releases landed on September 17, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Quẻ Dịch | iSpin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 weeks** |
| Size | 15 MB | 50 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Viet Nguyen](https://appshunter.io/developer/1441478995) | [NGOC HA HOANG THI](https://appshunter.io/developer/1859520740) |

## What reviewers say

### Quẻ Dịch

[App page](https://appshunter.io/ios/app/que-dich/id1441478996)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lập không giới hạn hàng ngày | $0.99 | one-time |
| Gỡ quảng cáo | $0.99 | one-time |
| Lọc quẻ trong phần quẻ đã lập | $1.99 | one-time |
| Mở rộng dung lượng lưu trữ quẻ | $1.99 | one-time |
| Liên kết quẻ | $3.99 | one-time |
| Import và export dữ liệu quẻ | $3.99 | one-time |


### iSpin

[App page](https://appshunter.io/ios/app/ispin/id6756248503)

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

**In-app purchases:** none


## Frequently asked questions

### Is Quẻ Dịch free?

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

### Is iSpin free?

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

### Do Quẻ Dịch or iSpin have ads?

Neither Quẻ Dịch nor iSpin shows ads.

### Which is updated more often, Quẻ Dịch or iSpin?

Quẻ Dịch ships an update every 10 months, and iSpin every 3 weeks. Most recently, Quẻ Dịch was updated on September 17, 2026 and iSpin on September 14, 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.*