# ZeeOTP vs Authenticator

The clearest difference is in-app purchases: ZeeOTP at none against Authenticator's 3. ZeeOTP also leads on device support (3 vs 1) and iOS requirement (11.0 vs 17). Authenticator's advantage is update cadence (fortnightly vs every 2 months). On price and ads there is nothing between them.

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

ZeeOTP ships an update every 2 months, Authenticator fortnightly. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | ZeeOTP | Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 24 MB | 13 MB |
| Requires iOS | **11.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ZeeTim](https://appshunter.io/developer/1083422455) | [General Trading OU](https://appshunter.io/developer/1891750689) |

## What reviewers say

### ZeeOTP

[App page](https://appshunter.io/ios/app/zeeotp/id1083422456)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is ZeeOTP free?

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

### Is Authenticator free?

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

### Do ZeeOTP or Authenticator have ads?

Neither ZeeOTP nor Authenticator shows ads.

### Which is updated more often, ZeeOTP or Authenticator?

ZeeOTP ships an update every 2 months, and Authenticator fortnightly. Most recently, ZeeOTP was updated on October 26, 2026 and Authenticator 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.*