# effi vs Scam Buster

The clearest difference is in-app purchases: effi at none against Scam Buster's 1. effi also leads on ads (none vs shown) and iOS requirement (13.0 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Scam Buster sells 1 in-app purchase, starting at $11.99 per year. effi asks for nothing beyond the download.

effi ships an update every 2 months, Scam Buster every 3 months. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | effi | Scam Buster |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 3 months |
| Size | 14 MB | 24 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Effi Inc.](https://appshunter.io/developer/899435456) | [Tycen McCann](https://appshunter.io/developer/1489000229) |

## What reviewers say

### effi

[App page](https://appshunter.io/ios/app/effi-app-for-qa-testers/id1439879470)

**Features:** macOS Compatibility

**In-app purchases:** none


### Scam Buster

[App page](https://appshunter.io/ios/app/scam-buster/id6759536596)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Subscription | $11.99 | per year |


## Frequently asked questions

### Is effi free?

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

### Is Scam Buster free?

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

### Do effi or Scam Buster have ads?

Scam Buster shows ads; effi does not.

### Which is updated more often, effi or Scam Buster?

effi ships an update every 2 months, and Scam Buster every 3 months. Most recently, effi was updated on October 26, 2026 and Scam Buster 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.*