# RetrieverX vs チャイポEVアシスト

The clearest difference is in-app purchases: チャイポEVアシスト at none against RetrieverX's 3. チャイポEVアシスト also leads on iOS requirement (15.0 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. RetrieverX sells 3 in-app purchases, starting at $1.99 per month. チャイポEVアシスト asks for nothing beyond the download.

RetrieverX ships an update weekly, チャイポEVアシスト every 5 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | RetrieverX | チャイポEVアシスト |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Every 5 days** |
| Size | 45 MB | 7 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Daichi Hayashi](https://appshunter.io/developer/1822604563) | [RAITO SASAGAWA](https://appshunter.io/developer/6780805981) |

## What reviewers say

### RetrieverX

[App page](https://appshunter.io/ios/app/retrieverx/id6747725272)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Monthly | $1.99 | per month |
| Standard Monthly | $3.99 | per month |
| Premium Monthly | $4.99 | per month |


### チャイポEVアシスト

[App page](https://appshunter.io/ios/app/ev/id6783852074)

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

**In-app purchases:** none


## Frequently asked questions

### Is RetrieverX free?

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

### Is チャイポEVアシスト free?

チャイポEVアシスト is free to download, with no in-app purchases.

### Do RetrieverX or チャイポEVアシスト have ads?

Both RetrieverX and チャイポEVアシスト show ads.

### Which is updated more often, RetrieverX or チャイポEVアシスト?

RetrieverX ships an update weekly, and チャイポEVアシスト every 5 days. Most recently, RetrieverX was updated on October 30, 2026 and チャイポEVアシスト 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.*