# Flip Clock vs Authenticator App

The clearest difference is price: Authenticator App at Free against Flip Clock's $1.99. Flip Clock's advantage is in-app purchases (none vs 8). On update cadence, ads, device support and iOS requirement there is nothing between them.

Authenticator App is free to download; Flip Clock costs $1.99 up front. Authenticator App sells 8 in-app purchases, starting at $5.99 per 7 days. Flip Clock asks for nothing beyond the download.

Flip Clock ships an update weekly, Authenticator App every 6 days. The most recent releases landed on September 9, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Flip Clock | Authenticator App |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[4.8 (9 ratings)](https://appshunter.io/ios/app/authenticator-app-2fa-mfa/id6759959929/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 52 MB |
| Requires iOS | 18.2 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Anoop tomar](https://appshunter.io/developer/1283062106) | [Valerii Fedorak](https://appshunter.io/developer/1881934929) |

## What reviewers say

### Flip Clock

[App page](https://appshunter.io/ios/app/flip-clock-digital/id6743320993)

**Features:** macOS Compatibility

**In-app purchases:** none


### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-2fa-mfa/id6759959929)

This app provides a secure and simple way to generate time-based one-time passwords for two-factor authentication. Protect your online accounts from unauthorized access with an extra layer of security for social media, banking, and work accounts.

**Highlights:** Generate time-based one-time passwords (TOTP), Quick account setup via QR codes or manual entry, Seamless cross-device synchronization, Enhanced account security, Supports social media, banking, and work accounts

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Week | $5.99 | per 7 days |
| Premium Week | $6.99 | per 7 days |
| Premium Week | $7.99 | per 7 days |
| Premium Week | $8.99 | per 7 days |
| Premium Week | $9.99 | per 7 days |
| Premium Yearly | $29.99 | per year |
| Premium yearly | $39.99 | per year |
| Premium Yearly | $49.99 | per year |


## Frequently asked questions

### Is Flip Clock free?

Flip Clock costs $1.99, with no in-app purchases.

### Is Authenticator App free?

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

### Do Flip Clock or Authenticator App have ads?

Neither Flip Clock nor Authenticator App shows ads.

### Which is updated more often, Flip Clock or Authenticator App?

Flip Clock ships an update weekly, and Authenticator App every 6 days. Most recently, Flip Clock was updated on September 9, 2026 and Authenticator App on September 21, 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.*