# 3Dfits vs 2FA Authenticator

The clearest difference is ads: 2FA Authenticator at none against 3Dfits's shown. 2FA Authenticator also leads on monetization model (free vs ad-supported). 3Dfits's advantage is iOS requirement (13.0 vs 26.5). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

3Dfits ships an update every 3 months, 2FA Authenticator every 5 months. The most recent releases landed on October 6, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | 3Dfits | 2FA Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/2fa-authenticator-auth-app/id6754549066/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Ad-supported | **Free** |
| Size | 69 MB | 4 MB |
| Requires iOS | **13.0** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MEGA InTech Inc.](https://appshunter.io/developer/1552084628) | [Hamid Sher agha](https://appshunter.io/developer/1692155889) |

## What reviewers say

### 3Dfits

[App page](https://appshunter.io/ios/app/3dfits/id1552084626)

This app offers a virtual fitting solution for online footwear and insole shopping. It uses advanced technology to scan your feet and provide accurate size recommendations, helping you find the perfect fit and avoid discomfort or returns.

**Highlights:** Virtual foot scanning, Accurate size advice, Footwear and insole recommendations, Reduces returns, Environmentally friendly

**In-app purchases:** none


### 2FA Authenticator

[App page](https://appshunter.io/ios/app/2fa-authenticator-auth-app/id6754549066)

This app generates time-based one-time passwords (TOTP) and manages passkeys to secure your online accounts with multi-factor authentication. It offers offline code generation, encrypted cloud backup, and biometric locks for enhanced security and convenience.

**Highlights:** Generates TOTP codes offline, Encrypted cloud backup and multi-device sync, Face ID & Touch ID lock, Easy import/export from other authenticators, Secure recovery options, Privacy-first design with minimal telemetry, QR code scanning for account setup

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

**In-app purchases:** none


## Frequently asked questions

### Is 3Dfits free?

3Dfits is free to download, with no in-app purchases.

### Is 2FA Authenticator free?

2FA Authenticator is free to download, with no in-app purchases.

### Do 3Dfits or 2FA Authenticator have ads?

3Dfits shows ads; 2FA Authenticator does not.

### Which is updated more often, 3Dfits or 2FA Authenticator?

3Dfits ships an update every 3 months, and 2FA Authenticator every 5 months. Most recently, 3Dfits was updated on October 6, 2026 and 2FA Authenticator on October 2, 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.*