# VIVI电力培训 vs 元题库

The clearest difference is iOS requirement: 元题库 at 10.0 against VIVI电力培训's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. VIVI电力培训 sells 10 one-off in-app purchases and 元题库 sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

VIVI电力培训 ships an update every 3 weeks, 元题库 every 4 weeks. The most recent releases landed on October 6, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | VIVI电力培训 | 元题库 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 weeks |
| Size | 92 MB | 114 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Baoding Jingxiu District VIVI Skills Training School Co., Ltd.](https://appshunter.io/developer/1772850781) | [大千 陈](https://appshunter.io/developer/1342564340) |

## What reviewers say

### VIVI电力培训

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

**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 |


### 元题库

[App page](https://appshunter.io/ios/app/id6467347359)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6元=600金币 | $0.99 | one-time |
| 12元=1200金币 | $1.99 | one-time |
| 18元=1800金币 | $2.99 | one-time |
| 30元=3000金币 | $3.99 | one-time |
| 88元=8800金币 | $12.99 | one-time |
| 188元=18800金币 | $29.99 | one-time |


## 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 元题库 free?

元题库 is free to download, with in-app purchases available.

### Do VIVI电力培训 or 元题库 have ads?

Neither VIVI电力培训 nor 元题库 shows ads.

### Which is updated more often, VIVI电力培训 or 元题库?

VIVI电力培训 ships an update every 3 weeks, and 元题库 every 4 weeks. Most recently, VIVI电力培训 was updated on October 6, 2026 and 元题库 on October 18, 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.*