# 2FA Authenticator App MFA, OTP vs BillProof

The clearest difference is update cadence: BillProof at every 10 days against 2FA Authenticator App MFA, OTP's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 2FA Authenticator App MFA, OTP sells 5 in-app purchases, starting at $1.99 per 7 days and BillProof sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

2FA Authenticator App MFA, OTP ships an update every 3 months, BillProof every 10 days. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 2FA Authenticator App MFA, OTP | BillProof |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 10 days** |
| Size | 69 MB | 4 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [Sandy Radadiya](https://appshunter.io/developer/1678294486) | [Audio Immersia](https://appshunter.io/developer/6808683543) |

## What reviewers say

### 2FA Authenticator App MFA, OTP

[App page](https://appshunter.io/ios/app/2fa-authenticator-app-mfa-otp/id6746856414)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $1.99 | per 7 days |
| Weekly Plan | $2.99 | per 7 days |
| Monthly Plan | $3.99 | per month |
| Yearly Plan | $24.99 | per year |
| Yearly Plan | $29.99 | per year |


### BillProof

[App page](https://appshunter.io/ios/app/billproof-warranty-tracker/id6787513214)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $6.99 | one-time |


## Frequently asked questions

### Is 2FA Authenticator App MFA, OTP free?

2FA Authenticator App MFA, OTP is free to download, with in-app purchases available.

### Is BillProof free?

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

### Do 2FA Authenticator App MFA, OTP or BillProof have ads?

Neither 2FA Authenticator App MFA, OTP nor BillProof shows ads.

### Which is updated more often, 2FA Authenticator App MFA, OTP or BillProof?

2FA Authenticator App MFA, OTP ships an update every 3 months, and BillProof every 10 days. Most recently, 2FA Authenticator App MFA, OTP was updated on October 30, 2026 and BillProof 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.*