# 焊工证宝典 vs 今日油价查询

The clearest difference is review sentiment: 焊工证宝典 at 83% against 今日油价查询's 35%. 焊工证宝典 also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.6). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. 焊工证宝典 sells 5 one-off in-app purchases and 今日油价查询 sells 5 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 16, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | 焊工证宝典 | 今日油价查询 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/id6478109211/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | **82.8% of reviews** | 35.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 51 MB | 58 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sichuan Kewei Mengxiang Technology Co., Ltd.](https://appshunter.io/developer/1374234832) | [Fuding Rongfeng Network Technology Co., Ltd.](https://appshunter.io/developer/1361888260) |

## What reviewers say

### 焊工证宝典

[App page](https://appshunter.io/ios/app/2026/id1585796353)

This app provides an updated question bank for welding certification exams, utilizing data analysis to help users prepare efficiently. It offers various practice modes, error tracking, and a favorites feature for personalized study. Offline access ensures learning is possible without an internet connection.

**Highlights:** Real-time updated question bank, Multiple practice modes, Topic-specific exercises, Automatic错题库 (error bank), Customizable favorites, Offline study mode

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 理论高效学习-30天 | $4.99 | one-time |
| 理论高效学习-180天 | $6.99 | one-time |
| 消防课程 | $7.99 | one-time |
| 焊工题库VIP | $9.99 | one-time |
| 理论高效学习-365天 | $9.99 | one-time |


### 今日油价查询

[App page](https://appshunter.io/ios/app/id6478109211)

This app provides real-time fuel price updates across China, helping users find the cheapest gas. It also offers fuel consumption tracking, inter-city price comparisons, and a countdown to the next price adjustment.

**Highlights:** Real-time fuel price lookup, Fuel consumption tracking, Inter-city price comparison, Price adjustment countdown, Annual price adjustment calendar, Nearby gas station locator, Historical price data

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 油价查询月卡订阅会员 | $0.99 | per month |
| 油价查询年卡订阅会员 | $3.99 | per year |
| 油价查询月卡会员 | $0.99 | one-time |
| 油价查询年卡会员 | $3.99 | one-time |
| 油价查询永久会员 | $6.99 | one-time |


## Frequently asked questions

### Is 焊工证宝典 free?

焊工证宝典 is free to download, with in-app purchases available.

### Is 今日油价查询 free?

今日油价查询 is free to download, with in-app purchases available.

### Do 焊工证宝典 or 今日油价查询 have ads?

今日油价查询 shows ads; 焊工证宝典 does not.

### Which is updated more often, 焊工证宝典 or 今日油价查询?

焊工证宝典 ships an update monthly, and 今日油价查询 monthly. Most recently, 焊工证宝典 was updated on October 16, 2026 and 今日油价查询 on October 3, 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.*