# QR Code Reader by Scanwise vs EV BatteryManAI

The clearest difference is update cadence: EV BatteryManAI at every 3 days against QR Code Reader by Scanwise's every 3 weeks. QR Code Reader by Scanwise's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.6). On price, ads and in-app purchases there is nothing between them.

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

QR Code Reader by Scanwise ships an update every 3 weeks, EV BatteryManAI every 3 days. The most recent releases landed on September 30, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | QR Code Reader by Scanwise | EV BatteryManAI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 30 MB | 24 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Chun Lam](https://appshunter.io/developer/1565498900) | [Cheng-Ta Yu](https://appshunter.io/developer/1832637401) |

## What reviewers say

### QR Code Reader by Scanwise

[App page](https://appshunter.io/ios/app/qr-code-reader-by-scanwise/id1580909740)

**Features:** macOS Compatibility

**In-app purchases:** none


### EV BatteryManAI

[App page](https://appshunter.io/ios/app/ev-batterymanai/id6759958551)

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

**In-app purchases:** none


## Frequently asked questions

### Is QR Code Reader by Scanwise free?

QR Code Reader by Scanwise is free to download, with no in-app purchases.

### Is EV BatteryManAI free?

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

### Do QR Code Reader by Scanwise or EV BatteryManAI have ads?

Both QR Code Reader by Scanwise and EV BatteryManAI show ads.

### Which is updated more often, QR Code Reader by Scanwise or EV BatteryManAI?

QR Code Reader by Scanwise ships an update every 3 weeks, and EV BatteryManAI every 3 days. Most recently, QR Code Reader by Scanwise was updated on September 30, 2026 and EV BatteryManAI on October 5, 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.*