# 河洛理數 vs JNL 預言家

The clearest difference is price: JNL 預言家 at Free against 河洛理數's $39.99. 河洛理數's advantage is iOS requirement (12.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

JNL 預言家 is free to download; 河洛理數 costs $39.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | 河洛理數 | JNL 預言家 |
| --- | --- | --- |
| Price | $39.99 | **Free** |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 22 MB | 21 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [力千 肖](https://appshunter.io/developer/1475070901) | [Initial Innovation Limited](https://appshunter.io/developer/1039641528) |

## What reviewers say

### 河洛理數

[App page](https://appshunter.io/ios/app/id1481221097)

**Features:** macOS Compatibility

**In-app purchases:** none


### JNL 預言家

[App page](https://appshunter.io/ios/app/jnl/id6453688473)

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

**In-app purchases:** none


## Frequently asked questions

### Is 河洛理數 free?

河洛理數 costs $39.99, with no in-app purchases.

### Is JNL 預言家 free?

JNL 預言家 is free to download, with no in-app purchases.

### Do 河洛理數 or JNL 預言家 have ads?

Neither 河洛理數 nor JNL 預言家 shows ads.

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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.*