# iKeyBIOProximity vs ScamZero

The clearest difference is in-app purchases: iKeyBIOProximity at none against ScamZero's 4. iKeyBIOProximity also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.1). ScamZero's advantage is update cadence (every 5 days vs every 2 months). On price and device support there is nothing between them.

Both are free to download. ScamZero sells 4 in-app purchases, starting at $1.99 per month. iKeyBIOProximity asks for nothing beyond the download.

iKeyBIOProximity ships an update every 2 months, ScamZero every 5 days. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | iKeyBIOProximity | ScamZero |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 5 days** |
| Size | 6 MB | 48 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [iKey CORP](https://appshunter.io/developer/477962700) | [Miguel Palma](https://appshunter.io/developer/1896572135) |

## What reviewers say

### iKeyBIOProximity

[App page](https://appshunter.io/ios/app/ikeybioproximity/id1495159177)

**Features:** macOS Compatibility

**In-app purchases:** none


### ScamZero

[App page](https://appshunter.io/ios/app/scamzero-ai-scam-check/id6768433709)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ScamZero Pro Monthly | $1.99 | per month |
| ScamZero Family Monthly | $3.49 | per month |
| ScamZero Pro Yearly | $12.99 | per year |
| ScamZero Family Yearly | $22.99 | per year |


## Frequently asked questions

### Is iKeyBIOProximity free?

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

### Is ScamZero free?

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

### Do iKeyBIOProximity or ScamZero have ads?

ScamZero shows ads; iKeyBIOProximity does not.

### Which is updated more often, iKeyBIOProximity or ScamZero?

iKeyBIOProximity ships an update every 2 months, and ScamZero every 5 days. Most recently, iKeyBIOProximity was updated on October 26, 2026 and ScamZero on October 25, 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.*