# 七道易 vs 随易

The clearest difference is iOS requirement: 七道易 at 15.0 against 随易's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 七道易 sells 10 in-app purchases, starting at $1.99 per month and 随易 sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

七道易 ships an update every 3 weeks, 随易 every 6 weeks. The most recent releases landed on October 1, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 七道易 | 随易 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Size | 25 MB | 5 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Zhen Kang Ouyang](https://appshunter.io/developer/1264339101) | [Daren WANG](https://appshunter.io/developer/1814384615) |

## What reviewers say

### 七道易

[App page](https://appshunter.io/ios/app/id6473148599)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度高级会员 | $1.99 | per month |
| 一次精准命理解盘 | $14.99 | one-time |
| 八字解析：命运密码解读 | $29.99 | one-time |
| 健康运势：八字养生指导 | $39.99 | one-time |
| 五次深度命理解盘套餐 | $44.99 | one-time |
| 事业运势提升: 定制化方案 | $59.99 | one-time |
| 婚姻感情：桃花运催旺阵 | $69.99 | one-time |
| 风水布局：开运家居调整 | $79.99 | one-time |
| 财运提升：专属招财布局 | $79.99 | one-time |
| 全年运势：掌握人生先机 | $99.99 | one-time |


### 随易

[App page](https://appshunter.io/ios/app/id6745898830)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One-Time AI Custom Analysis | $0.99 | one-time |
| One-Time AI Custom Analysis | $2.99 | one-time |


## Frequently asked questions

### Is 七道易 free?

七道易 is free to download, with in-app purchases available.

### Is 随易 free?

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

### Do 七道易 or 随易 have ads?

Neither 七道易 nor 随易 shows ads.

### Which is updated more often, 七道易 or 随易?

七道易 ships an update every 3 weeks, and 随易 every 6 weeks. Most recently, 七道易 was updated on October 1, 2026 and 随易 on October 16, 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.*