# GRASEN vs BlueEV

The clearest difference is update cadence: BlueEV at every 9 days against GRASEN's monthly. GRASEN's advantage is iOS requirement (13.0 vs 16.2). On price, ads, in-app purchases and device support there is nothing between them.

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

GRASEN ships an update monthly, BlueEV every 9 days. The most recent releases landed on September 27, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | GRASEN | BlueEV |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Size | 61 MB | 31 MB |
| Requires iOS | **13.0** | 16.2 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Luoyang Grasen Power Technology Co.,Ltd.](https://appshunter.io/developer/1444286759) | [Picktek LLC](https://appshunter.io/developer/627880736) |

## What reviewers say

### GRASEN

[App page](https://appshunter.io/ios/app/grasen/id6450171746)

**Features:** macOS Compatibility

**In-app purchases:** none


### BlueEV

[App page](https://appshunter.io/ios/app/blueev/id6778855737)

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

**In-app purchases:** none


## Frequently asked questions

### Is GRASEN free?

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

### Is BlueEV free?

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

### Do GRASEN or BlueEV have ads?

Neither GRASEN nor BlueEV shows ads.

### Which is updated more often, GRASEN or BlueEV?

GRASEN ships an update monthly, and BlueEV every 9 days. Most recently, GRASEN was updated on September 27, 2026 and BlueEV on October 2, 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.*