# Authenticator App vs TIW ISP

The clearest difference is in-app purchases: TIW ISP at none against Authenticator App's 2. TIW ISP also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.6). Authenticator App's advantage is update cadence (every 3 days vs monthly). On price and ads there is nothing between them.

Both are free to download. Authenticator App sells 2 in-app purchases, starting at $6.99 per 7 days. TIW ISP asks for nothing beyond the download.

Authenticator App ships an update every 3 days, TIW ISP monthly. The most recent releases landed on September 29, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Authenticator App | TIW ISP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/authenticator-app-duo-factor/id6740918422/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 33 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Maxim Dolgov](https://appshunter.io/developer/1820242417) | [Kauan Almeida](https://appshunter.io/developer/1837602264) |

## What reviewers say

### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-duo-factor/id6740918422)

Transform your living spaces with AI-powered interior design suggestions. Upload a photo of your room, choose a style, and see instant visual changes. Save and share your design ideas with ease.

**Highlights:** Real-time room transformation, Endless design inspiration, Diverse style options, Save and share designs, Intuitive interface, Latest interior design trends

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly trial subscription | $6.99 | per 7 days |
| Weekly subscription | $6.99 | per 7 days |


### TIW ISP

[App page](https://appshunter.io/ios/app/tiw-isp/id6760437210)

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

**In-app purchases:** none


## Frequently asked questions

### Is Authenticator App free?

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

### Is TIW ISP free?

TIW ISP is free to download, with no in-app purchases.

### Do Authenticator App or TIW ISP have ads?

Neither Authenticator App nor TIW ISP shows ads.

### Which is updated more often, Authenticator App or TIW ISP?

Authenticator App ships an update every 3 days, and TIW ISP monthly. Most recently, Authenticator App was updated on September 29, 2026 and TIW ISP on October 10, 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.*