# CHAEVI vs VIVA Studio

The clearest difference is ads: VIVA Studio at none against CHAEVI's shown. VIVA Studio also leads on update cadence (daily vs every 2 weeks) and device support (4 vs 2). On price, in-app purchases and iOS requirement there is nothing between them.

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

CHAEVI ships an update every 2 weeks, VIVA Studio daily. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | CHAEVI | VIVA Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (7 ratings)](https://appshunter.io/ios/app/chaevi-ev-charging/id1666742082/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Daily** |
| Monetization | Ad-supported | — |
| Size | 18 MB | 254 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Chaevi. co., Ltd](https://appshunter.io/developer/1381273351) | [4SEILS](https://appshunter.io/developer/1732638628) |

## What reviewers say

### CHAEVI

[App page](https://appshunter.io/ios/app/chaevi-ev-charging/id1666742082)

This app simplifies electric vehicle charging by allowing users to find, reserve, and pay for charging stations. It provides real-time charging status and eliminates the need for multiple physical charging cards.

**Highlights:** Find charging stations, Reserve charging spots, Pay for charging, Real-time charging status, Eliminates multiple charging cards

**In-app purchases:** none


### VIVA Studio

[App page](https://appshunter.io/ios/app/viva-studio/id6815236356)

**In-app purchases:** none


## Frequently asked questions

### Is CHAEVI free?

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

### Is VIVA Studio free?

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

### Do CHAEVI or VIVA Studio have ads?

CHAEVI shows ads; VIVA Studio does not.

### Which is updated more often, CHAEVI or VIVA Studio?

CHAEVI ships an update every 2 weeks, and VIVA Studio daily. Most recently, CHAEVI was updated on November 3, 2026 and VIVA Studio on October 31, 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.*