# VIVI电力培训 vs 珞研知盐

The clearest difference is in-app purchases: 珞研知盐 at none against VIVI电力培训's 10. 珞研知盐 also leads on iOS requirement (11.0 vs 13.0). VIVI电力培训's advantage is device support. On price there is nothing between them.

Both are free to download. VIVI电力培训 sells 10 one-off in-app purchases. 珞研知盐 asks for nothing beyond the download.

## The numbers

| Metric | VIVI电力培训 | 珞研知盐 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/vivi/id1290062630/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 92 MB | 58 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 17+ |
| Developer | [Baoding Jingxiu District VIVI Skills Training School Co., Ltd.](https://appshunter.io/developer/1772850781) | [Xiangyang Zhiyan Education Technology Co., Ltd.](https://appshunter.io/developer/1712887973) |

## What reviewers say

### VIVI电力培训

[App page](https://appshunter.io/ios/app/vivi/id1290062630)

This app provides comprehensive study materials and exam preparation for the State Grid Corporation recruitment exam. It offers practical textbooks, lecture notes, and question banks developed by experienced professionals to help students succeed.

**Highlights:** Exam-focused study materials, Practical textbooks and lecture notes, Extensive question bank, Recruitment exam preparation, Experienced trainers, National coverage

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 18VI币 | $2.99 | one-time |
| 30VI币 | $4.99 | one-time |
| 60VI币 | $8.99 | one-time |
| 108VI币 | $15.99 | one-time |
| 218VI币 | $31.99 | one-time |
| 518VI币 | $79.99 | one-time |
| 1048VI币 | $159.99 | one-time |
| 1998VI币 | $299.99 | one-time |
| 3298VI币 | $499.99 | one-time |
| 5898VI币 | $899.99 | one-time |


### 珞研知盐

[App page](https://appshunter.io/ios/app/id6470039027)

**In-app purchases:** none


## Frequently asked questions

### Is VIVI电力培训 free?

VIVI电力培训 is free to download, with in-app purchases available.

### Is 珞研知盐 free?

珞研知盐 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.*