# Rasonic EVC vs Flash PDF

The clearest difference is ads: Rasonic EVC at none against Flash PDF's shown. Rasonic EVC also leads on iOS requirement (12.0 vs 15.0). On price, update cadence, 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.

Rasonic EVC ships an update monthly, Flash PDF fortnightly. The most recent releases landed on June 10, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Rasonic EVC | Flash PDF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Fortnightly** |
| Size | 61 MB | 29 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SHUN HING ELECTRIC WORKS & ENGINEERING CO LTD](https://appshunter.io/developer/1587122919) | [VISION NETWORK TECHNOLOGY CO.,LIMITED](https://appshunter.io/developer/1717534539) |

## What reviewers say

### Rasonic EVC

[App page](https://appshunter.io/ios/app/rasonic-evc/id6502742500)

**Features:** macOS Compatibility

**In-app purchases:** none


### Flash PDF

[App page](https://appshunter.io/ios/app/flash-pdffast-readscan/id6742016312)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Rasonic EVC free?

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

### Is Flash PDF free?

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

### Do Rasonic EVC or Flash PDF have ads?

Flash PDF shows ads; Rasonic EVC does not.

### Which is updated more often, Rasonic EVC or Flash PDF?

Rasonic EVC ships an update monthly, and Flash PDF fortnightly. Most recently, Rasonic EVC was updated on June 10, 2026 and Flash PDF on September 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*