# Authenticator vs DeFi Security

The clearest difference is in-app purchases: DeFi Security at none against Authenticator's 3. DeFi Security also leads on update cadence (daily vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Authenticator sells 3 in-app purchases, starting at $7.99 per 7 days. DeFi Security asks for nothing beyond the download.

Authenticator ships an update fortnightly, DeFi Security daily. The most recent releases landed on October 12, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Authenticator | DeFi Security |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Size | 13 MB | 54 MB |
| Requires iOS | 17 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [General Trading OU](https://appshunter.io/developer/1891750689) | [ETHAN TAYLOR](https://appshunter.io/developer/6797217110) |

## What reviewers say

### Authenticator

[App page](https://appshunter.io/ios/app/authenticator-2fa-and-mfa/id6761847431)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Week | $7.99 | per 7 days |
| Premium Week | $8.99 | per 7 days |
| Premium Year | $29.99 | per year |


### DeFi Security

[App page](https://appshunter.io/ios/app/defi-security/id6797217107)

**In-app purchases:** none


## Frequently asked questions

### Is Authenticator free?

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

### Is DeFi Security free?

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

### Do Authenticator or DeFi Security have ads?

Neither Authenticator nor DeFi Security shows ads.

### Which is updated more often, Authenticator or DeFi Security?

Authenticator ships an update fortnightly, and DeFi Security daily. Most recently, Authenticator was updated on October 12, 2026 and DeFi Security on October 8, 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.*