# PrimeVolt vs Khao Jai

The clearest difference is in-app purchases: PrimeVolt at none against Khao Jai's 2. PrimeVolt also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price and ads there is nothing between them.

Both are free to download. Khao Jai sells 2 in-app purchases, starting at $2.99 per month. PrimeVolt asks for nothing beyond the download.

## The numbers

| Metric | PrimeVolt | Khao Jai |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Size | 12 MB | 4 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [AsianPowerDevicesInc](https://appshunter.io/developer/1214788661) | [KUO WEI Tseng](https://appshunter.io/developer/6802335476) |

## What reviewers say

### PrimeVolt

[App page](https://appshunter.io/ios/app/primevolt/id1291653570)

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

**In-app purchases:** none


### Khao Jai

[App page](https://appshunter.io/ios/app/khao-jai/id6802335474)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $2.99 | per month |
| MAX Monthly | $4.99 | per month |


## Frequently asked questions

### Is PrimeVolt free?

PrimeVolt is free to download, with no in-app purchases.

### Is Khao Jai free?

Khao Jai is free to download, with in-app purchases available.

### Do PrimeVolt or Khao Jai have ads?

Neither PrimeVolt nor Khao Jai shows ads.

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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.*