# Field Verifier vs Authenticator App

The clearest difference is in-app purchases: Field Verifier at none against Authenticator App's 2. Field Verifier also leads on iOS requirement (10.0 vs 16.0). Authenticator App's advantage is update cadence (every 4 weeks vs every 41 months). On price, ads and device support there is nothing between them.

Both are free to download. Authenticator App sells 2 in-app purchases, starting at $4.99 per 7 days. Field Verifier asks for nothing beyond the download.

Field Verifier ships an update every 41 months, Authenticator App every 4 weeks. The most recent releases landed on September 27, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Field Verifier | Authenticator App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 41 months | **Every 4 weeks** |
| Size | 2 MB | 54 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | +4 |
| Developer | [Owen Brown](https://appshunter.io/developer/979499266) | [RAPID DIJITAL HIZMETLER LIMITED SIRKETI](https://appshunter.io/developer/1778670178) |

## What reviewers say

### Field Verifier

[App page](https://appshunter.io/ios/app/field-verifier/id1613136226)

**Features:** macOS Compatibility

**In-app purchases:** none


### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-2fa-and-otp/id6755154549)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Monthly Premium | $14.99 | per month |


## Frequently asked questions

### Is Field Verifier free?

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

### Is Authenticator App free?

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

### Do Field Verifier or Authenticator App have ads?

Neither Field Verifier nor Authenticator App shows ads.

### Which is updated more often, Field Verifier or Authenticator App?

Field Verifier ships an update every 41 months, and Authenticator App every 4 weeks. Most recently, Field Verifier was updated on September 27, 2026 and Authenticator App on October 12, 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.*