# Predictive Forecasting vs 味随天象

The clearest difference is in-app purchases: 味随天象 at none against Predictive Forecasting's 1. 味随天象 also leads on iOS requirement (12.0 vs 16.6). Predictive Forecasting's advantage is device support. On price there is nothing between them.

Both are free to download. Predictive Forecasting sells 1 one-off in-app purchase. 味随天象 asks for nothing beyond the download.

## The numbers

| Metric | Predictive Forecasting | 味随天象 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | — |
| Update frequency | Every 115 months | — |
| Size | 7 MB | 32 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [Ramalingam Sivaramakrishnan](https://appshunter.io/developer/892706271) | [子健 刘](https://appshunter.io/developer/1159588430) |

## What reviewers say

### Predictive Forecasting

[App page](https://appshunter.io/ios/app/predictive-forecasting-speed/id1129858835)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### 味随天象

[App page](https://appshunter.io/ios/app/id6618151621)

**In-app purchases:** none


## Frequently asked questions

### Is Predictive Forecasting free?

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

### Is 味随天象 free?

味随天象 is free to download, with no in-app purchases.

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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.*