# Authenticator app ・ 2FA & MFA vs Invoice Maker & Estimat

The clearest difference is update cadence: Authenticator app ・ 2FA & MFA at every 6 weeks against Invoice Maker & Estimat's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Authenticator app ・ 2FA & MFA sells 2 in-app purchases, starting at $3.99 per 7 days and Invoice Maker & Estimat sells 2 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Authenticator app ・ 2FA & MFA ships an update every 6 weeks, Invoice Maker & Estimat every 3 months. The most recent releases landed on September 17, 2026 and May 18, 2026 respectively.

## The numbers

| Metric | Authenticator app ・ 2FA & MFA | Invoice Maker & Estimat |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Size | 40 MB | 42 MB |
| Requires iOS | **17.4** | 17.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Olivia Martinez](https://appshunter.io/developer/1816202804) | [Lamar Bain](https://appshunter.io/developer/1825843660) |

## What reviewers say

### Authenticator app ・ 2FA & MFA

[App page](https://appshunter.io/ios/app/authenticator-app-2fa-and-mfa/id6746333120)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 2fa auth sign (weekly trial) | $3.99 | per 7 days |
| 2fa auth sign (weekly stdt) | $3.99 | per 7 days |


### Invoice Maker & Estimat

[App page](https://appshunter.io/ios/app/invoice-maker-and-estimat/id6749022332)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $3.99 | per 7 days |
| Premium | $3.99 | per 7 days |


## Frequently asked questions

### Is Authenticator app ・ 2FA & MFA free?

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

### Is Invoice Maker & Estimat free?

Invoice Maker & Estimat is free to download, with in-app purchases available.

### Do Authenticator app ・ 2FA & MFA or Invoice Maker & Estimat have ads?

Neither Authenticator app ・ 2FA & MFA nor Invoice Maker & Estimat shows ads.

### Which is updated more often, Authenticator app ・ 2FA & MFA or Invoice Maker & Estimat?

Authenticator app ・ 2FA & MFA ships an update every 6 weeks, and Invoice Maker & Estimat every 3 months. Most recently, Authenticator app ・ 2FA & MFA was updated on September 17, 2026 and Invoice Maker & Estimat on May 18, 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.*