# 石化宝典 vs 昆仑沥青

The clearest difference is update cadence: 石化宝典 at every 5 weeks against 昆仑沥青's every 6 months. 昆仑沥青's advantage is iOS requirement (8.0 vs 13.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

石化宝典 ships an update every 5 weeks, 昆仑沥青 every 6 months. The most recent releases landed on September 15, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | 石化宝典 | 昆仑沥青 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1367822521/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 months |
| Size | 195 MB | 41 MB |
| Requires iOS | 13.1 | **8.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Huaxia jiarun (Beijing) network technology co. LTD](https://appshunter.io/developer/1434806246) | [PetroChina Company Limited](https://appshunter.io/developer/1192656426) |

## What reviewers say

### 石化宝典

[App page](https://appshunter.io/ios/app/id1367822521)

**In-app purchases:** none


### 昆仑沥青

[App page](https://appshunter.io/ios/app/id1484608564)

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

**In-app purchases:** none


## Frequently asked questions

### Is 石化宝典 free?

石化宝典 is free to download, with no in-app purchases.

### Is 昆仑沥青 free?

昆仑沥青 is free to download, with no in-app purchases.

### Do 石化宝典 or 昆仑沥青 have ads?

Neither 石化宝典 nor 昆仑沥青 shows ads.

### Which is updated more often, 石化宝典 or 昆仑沥青?

石化宝典 ships an update every 5 weeks, and 昆仑沥青 every 6 months. Most recently, 石化宝典 was updated on September 15, 2026 and 昆仑沥青 on September 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.*