# KM eFlash vs Surge Easy

The clearest difference is in-app purchases: KM eFlash at none against Surge Easy's 1. KM eFlash also leads on ads (none vs shown) and update cadence (every 3 days vs every 6 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Surge Easy sells 1 one-off in-app purchase. KM eFlash asks for nothing beyond the download.

KM eFlash ships an update every 3 days, Surge Easy every 6 weeks. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | KM eFlash | Surge Easy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 6 weeks |
| Size | 52 MB | 26 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KM Engineers GmbH](https://appshunter.io/developer/1799146204) | [EC TECHNOLOGY](https://appshunter.io/developer/1666173612) |

## What reviewers say

### KM eFlash

[App page](https://appshunter.io/ios/app/km-eflash/id6742645180)

**Features:** macOS Compatibility

**In-app purchases:** none


### Surge Easy

[App page](https://appshunter.io/ios/app/surge-easy/id6746415452)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro User | $6.99 | one-time |


## Frequently asked questions

### Is KM eFlash free?

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

### Is Surge Easy free?

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

### Do KM eFlash or Surge Easy have ads?

Surge Easy shows ads; KM eFlash does not.

### Which is updated more often, KM eFlash or Surge Easy?

KM eFlash ships an update every 3 days, and Surge Easy every 6 weeks. Most recently, KM eFlash was updated on October 25, 2026 and Surge Easy on October 28, 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.*