# Simplex by SMS vs 2FA Authenticator

The clearest difference is ads: Simplex by SMS at none against 2FA Authenticator's shown. 2FA Authenticator's advantage is update cadence (every 2 weeks vs every 3 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Simplex by SMS ships an update every 3 months, 2FA Authenticator every 2 weeks. The most recent releases landed on June 1, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Simplex by SMS | 2FA Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/simplex-by-sms/id6450359480/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 347 MB | 45 MB |
| Requires iOS | **16.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Simplex Marketing System LLC](https://appshunter.io/developer/1692911351) | [Muhammad Ajmal Shah](https://appshunter.io/developer/1730659507) |

## What reviewers say

### Simplex by SMS

[App page](https://appshunter.io/ios/app/simplex-by-sms/id6450359480)

This all-in-one platform uses AI to streamline sales and marketing for gym owners. It offers lead generation, automated workflows, reputation management, and a website builder. Seamlessly syncs automated marketing with personal team interaction for a personalized customer experience.

**Highlights:** AI-powered sales and marketing, Lead generation from multiple sources, Automated workflows, Reputation management tool, Website builder, CRM/lead management, 2-way sync with automation

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### 2FA Authenticator

[App page](https://appshunter.io/ios/app/2fa-authenticator-mfa-auth/id6499033722)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Simplex by SMS free?

Simplex by SMS 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 Simplex by SMS or 2FA Authenticator have ads?

2FA Authenticator shows ads; Simplex by SMS does not.

### Which is updated more often, Simplex by SMS or 2FA Authenticator?

Simplex by SMS ships an update every 3 months, and 2FA Authenticator every 2 weeks. Most recently, Simplex by SMS was updated on June 1, 2026 and 2FA Authenticator on September 16, 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.*