# tempConvert vs Authenticator App

The clearest difference is in-app purchases: tempConvert at none against Authenticator App's 3. Authenticator App's advantage is update cadence (every 2 weeks vs every 2 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Authenticator App sells 3 in-app purchases, starting at $3.99 per month. tempConvert asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for tempConvert against 5.0 for Authenticator App. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

tempConvert ships an update every 2 months, Authenticator App every 2 weeks. The most recent releases landed on September 19, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | tempConvert | Authenticator App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/tempconvert/id350028121/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/authenticator-app-keyzy/id6748629429/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | 88.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 7 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Greg Anderson](https://appshunter.io/developer/345127565) | [RETRYTECH LLP](https://appshunter.io/developer/1544420363) |

## What reviewers say

### tempConvert

[App page](https://appshunter.io/ios/app/tempconvert/id350028121)

Quickly convert temperatures between Fahrenheit and Celsius with instant results. This ad-free utility works offline, offering animated visuals and contextual labels for easy understanding. It supports negative temperatures and includes reference points for common scenarios.

**Highlights:** Instant temperature conversion, Fahrenheit to Celsius and vice versa, Offline functionality, Animated thermometer, Contextual labels, Dark mode support

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

**In-app purchases:** none


### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-keyzy/id6748629429)

This app generates secure, offline two-factor authentication codes for all your major online accounts. It offers iCloud sync for Apple devices and allows for easy organization and deletion of codes. Upgrade for unlimited accounts and advanced categorization.

**Highlights:** Supports major platforms (Google, Instagram, Facebook, GitHub), Import 2FA codes from screenshots, iCloud Sync across Apple devices, Organize codes into categories, Private and offline code storage, Generates TOTP codes securely

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Yearly | $12.99 | per year |
| Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is tempConvert free?

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

### Is Authenticator App free?

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

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

tempConvert and Authenticator App are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do tempConvert or Authenticator App have ads?

Neither tempConvert nor Authenticator App shows ads.

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

tempConvert ships an update every 2 months, and Authenticator App every 2 weeks. Most recently, tempConvert was updated on September 19, 2026 and Authenticator App on September 23, 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.*