# Smart Invoice vs 2FA and MFA Authenticator

The clearest difference is review sentiment: Smart Invoice at 100% against 2FA and MFA Authenticator's 50%. Smart Invoice also leads on rating (4.8 vs 4.6). 2FA and MFA Authenticator's advantage is update cadence (every 3 weeks vs every 4 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Smart Invoice sells 3 in-app purchases, starting at $4.99 per 7 days and 2FA and MFA Authenticator sells 5 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Smart Invoice holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 12 and 5 respectively. Written reviews point the same way: 100% of Smart Invoice's written reviews are positive against 50% of 2FA and MFA Authenticator's.

Smart Invoice ships an update every 4 months, 2FA and MFA Authenticator every 3 weeks. The most recent releases landed on October 8, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Smart Invoice | 2FA and MFA Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (12 ratings)](https://appshunter.io/ios/app/smart-invoice-estimate-maker/id6464425415/reviews)** | [4.6 (5 ratings)](https://appshunter.io/ios/app/2fa-and-mfa-authenticator/id6736990012/reviews) |
| Number of ratings | **12** | 5 |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 14 MB | 97 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Bohdan Matviichuk](https://appshunter.io/developer/1699256806) | [John Harvey](https://appshunter.io/developer/1873046192) |

## What reviewers say

### Smart Invoice

[App page](https://appshunter.io/ios/app/smart-invoice-estimate-maker/id6464425415)

Effortlessly create, manage, and track professional invoices and estimates. Streamline your business finances with multi-currency support and instant delivery options. Gain insights into your financial performance and simplify client billing.

**Highlights:** Create professional invoices, Manage and track invoices, Send invoices instantly, Multi-currency support, Customizable templates, Financial performance insights

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $4.99 | per 7 days |
| Pro Version | $4.99 | per 7 days |
| Pro Version | $14.99 | per month |


### 2FA and MFA Authenticator

[App page](https://appshunter.io/ios/app/2fa-and-mfa-authenticator/id6736990012)

Enhance your online security with a reliable tool for two-factor and multi-factor authentication. Easily manage keys and passwords with an intuitive interface and modern encryption. Customize your authentication system and stay protected from unauthorized access.

**Highlights:** Two-factor authentication, Multi-factor authentication, Key and password management, Manual key generation, Intuitive user interface, Dark theme option, Modern encryption

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Weekly | $4.99 | per 7 days |
| Monthly | $12.99 | per month |
| Yearly | $39.99 | per year |
| Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Smart Invoice free?

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

### Is 2FA and MFA Authenticator free?

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

### Which has better reviews, Smart Invoice or 2FA and MFA Authenticator?

Smart Invoice is rated higher. Smart Invoice averages 4.8 out of 5 from 12 ratings, while 2FA and MFA Authenticator averages 4.6 from 5 ratings.

### Do Smart Invoice or 2FA and MFA Authenticator have ads?

Both Smart Invoice and 2FA and MFA Authenticator show ads.

### Which is updated more often, Smart Invoice or 2FA and MFA Authenticator?

Smart Invoice ships an update every 4 months, and 2FA and MFA Authenticator every 3 weeks. Most recently, Smart Invoice was updated on October 8, 2026 and 2FA and MFA Authenticator on October 9, 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.*