# mC AC400 vs 2FA

The clearest difference is in-app purchases: mC AC400 at none against 2FA's 2. mC AC400 also leads on ads (none vs shown) and update cadence (every 3 months vs every 6 months). On price and device support there is nothing between them.

Both are free to download. 2FA sells 2 in-app purchases, starting at $0.99 per 7 days. mC AC400 asks for nothing beyond the download.

mC AC400 ships an update every 3 months, 2FA every 6 months. The most recent releases landed on September 30, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | mC AC400 | 2FA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 6 months |
| Size | 51 MB | 34 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [ISIPARK IC VE DIS TICARET INSAAT ISITMA SISTEMLERI OTOMOTIV SANAYI ANONIM SIRKETI](https://appshunter.io/developer/1289067142) | [Thao Tran](https://appshunter.io/developer/1684058505) |

## What reviewers say

### mC AC400

[App page](https://appshunter.io/ios/app/mc-ac400/id1491883394)

**Features:** macOS Compatibility

**In-app purchases:** none


### 2FA

[App page](https://appshunter.io/ios/app/2fa-authenticator-verify-id/id6449616228)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $0.99 | per 7 days |
| Lifetime Premium | $14.99 | one-time |


## Frequently asked questions

### Is mC AC400 free?

mC AC400 is free to download, with no in-app purchases.

### Is 2FA free?

2FA is free to download, with in-app purchases available.

### Do mC AC400 or 2FA have ads?

2FA shows ads; mC AC400 does not.

### Which is updated more often, mC AC400 or 2FA?

mC AC400 ships an update every 3 months, and 2FA every 6 months. Most recently, mC AC400 was updated on September 30, 2026 and 2FA on October 7, 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.*