# SmartTemp vs Authenticator App

The clearest difference is monetization model: SmartTemp at free with in-app purchases against Authenticator App's subscription. SmartTemp also leads on update cadence (every 9 days vs every 2 months) and ratings volume (98 vs 1). Authenticator App's advantage is rating (5.0 vs 4.5) and iOS requirement (15.6 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Authenticator App holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: SmartTemp has 98 ratings behind it against 1, so its average is the more settled of the two.

SmartTemp ships an update every 9 days, Authenticator App every 2 months. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | SmartTemp | Authenticator App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (98 ratings)](https://appshunter.io/ios/app/smarttemp-home-control/id6747895481/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/authenticator-app-2fa-mfa/id6760338934/reviews)** |
| Number of ratings | **98** | 1 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 months |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 19 MB | 7 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [LS HOWELL LLC](https://appshunter.io/developer/1846830062) | [Ayesha Jabbar](https://appshunter.io/developer/1831178748) |

## What reviewers say

### SmartTemp

[App page](https://appshunter.io/ios/app/smarttemp-home-control/id6747895481)

Effortlessly manage your home's climate from anywhere with this intuitive app. Connect your devices via HomeKit to set custom schedules, monitor individual room temperatures, and receive real-time notifications for optimal comfort and energy efficiency.

**Highlights:** Remote temperature adjustment, HomeKit device integration, Room-specific temperature monitoring, Customizable schedules, Smart temperature presets, Real-time climate notifications

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Smart Thermostat Premium | $4.99 | per 7 days |
| Thermostat Premium | $4.99 | per 7 days |


### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-2fa-mfa/id6760338934)

This app generates secure two-factor authentication (2FA) codes for your online accounts. It offers a simple interface for managing one-time passcodes (OTP) and securing your digital identity with an extra layer of protection.

**Highlights:** Generate secure 2FA codes, Support for TOTP authentication, Quick QR code setup, Simple and easy-to-use interface, Fast access to verification codes, Secure on-device storage

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator App - Weekly Plan | $4.99 | per 7 days |
| Monthly Premium | $9.99 | per month |
| Yearly Premium (Best Value) | $14.99 | per year |


## Frequently asked questions

### Is SmartTemp free?

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

### Is Authenticator App free?

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

### Which has better reviews, SmartTemp or Authenticator App?

Authenticator App is rated higher. SmartTemp averages 4.5 out of 5 from 98 ratings, while Authenticator App averages 5.0 from 1 ratings.

### Do SmartTemp or Authenticator App have ads?

Neither SmartTemp nor Authenticator App shows ads.

### Which is updated more often, SmartTemp or Authenticator App?

SmartTemp ships an update every 9 days, and Authenticator App every 2 months. Most recently, SmartTemp was updated on October 9, 2026 and Authenticator App on October 12, 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.*