# Authenticator App vs M.A.R.V.I.N.

The clearest difference is in-app purchases: M.A.R.V.I.N. at none against Authenticator App's 12. M.A.R.V.I.N. also leads on ads (none vs shown) and update cadence (every 2 days vs every 3 weeks). Authenticator App's advantage is ratings volume (908 vs 1). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Authenticator App sells 12 in-app purchases, starting at $6.99 per 7 days. M.A.R.V.I.N. asks for nothing beyond the download.

M.A.R.V.I.N. holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Authenticator App has 908 ratings behind it against 1, so its average is the more settled of the two.

Authenticator App ships an update every 3 weeks, M.A.R.V.I.N. every 2 days. The most recent releases landed on October 2, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Authenticator App | M.A.R.V.I.N. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (908 ratings)](https://appshunter.io/ios/app/authenticator-app-2fa-mfa/id6505110382/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/marvin/id6762028698/reviews)** |
| Number of ratings | **908** | 1 |
| Positive reviews | 37.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 320 MB | 26 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [A1Apps](https://appshunter.io/developer/6801470556) | [Jerrod Taylor](https://appshunter.io/developer/1856473828) |

## What reviewers say

### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-2fa-mfa/id6505110382)

Secure your online accounts with two-factor and multi-factor authentication. Generates time-based one-time passwords (TOTP) and OTP codes for fast, reliable logins. Includes a built-in password manager and encrypted backup for all your credentials.

**Highlights:** Two-factor authentication (2FA), Multi-factor authentication (MFA), Time-based one-time passwords (TOTP), Built-in password manager, Encrypted backup and sync, Import from other authenticator apps, Offline code generation

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $6.99 | per 7 days |
| Pro Weekly Plan | $6.99 | per 7 days |
| Pro Weekly Plan | $6.99 | per 7 days |
| Pro Weekly Plan | $9.99 | per 7 days |
| Pro Weekly Plan | $9.99 | per 7 days |
| Premium Monthly | $9.99 | per month |
| Premium Monthly | $12.99 | per month |
| Pro Yearly | $24.99 | per year |
| Pro Yearly | $49.99 | per year |
| Pro Yearly | $49.99 | per year |
| Pro Yearly | $59.99 | per year |
| Pro Yearly Plan | $59.99 | per year |


### M.A.R.V.I.N.

[App page](https://appshunter.io/ios/app/marvin/id6762028698)

Instantly identify objects, analyze environments, and gain insights with real-time augmented reality scanning. Turn your camera into an AI vision system to understand the world around you, from everyday items to the natural world.

**Highlights:** Real-time AR scanning, Object identification, Environmental analysis, Bio scan for people, pets, plants, and animals, Toolkit mode for problem-solving, Static image analysis

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

**In-app purchases:** none


## Frequently asked questions

### Is Authenticator App free?

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

### Is M.A.R.V.I.N. free?

M.A.R.V.I.N. is free to download, with no in-app purchases.

### Which has better reviews, Authenticator App or M.A.R.V.I.N.?

M.A.R.V.I.N. is rated higher. Authenticator App averages 4.6 out of 5 from 908 ratings, while M.A.R.V.I.N. averages 5.0 from 1 ratings.

### Do Authenticator App or M.A.R.V.I.N. have ads?

Authenticator App shows ads; M.A.R.V.I.N. does not.

### Which is updated more often, Authenticator App or M.A.R.V.I.N.?

Authenticator App ships an update every 3 weeks, and M.A.R.V.I.N. every 2 days. Most recently, Authenticator App was updated on October 2, 2026 and M.A.R.V.I.N. on September 17, 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.*