# Authenticator vs HeatNext

The clearest difference is in-app purchases: Authenticator at none against HeatNext's 4. Authenticator also leads on update cadence (every 3 days vs every 2 months) and iOS requirement (9.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. HeatNext sells 4 in-app purchases, starting at $1.99 per month. Authenticator asks for nothing beyond the download.

Authenticator ships an update every 3 days, HeatNext every 2 months. The most recent releases landed on August 12, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Authenticator | HeatNext |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (21 ratings)](https://appshunter.io/ios/app/authenticator/id1361959180/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 82.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 months |
| Monetization | Free | — |
| Size | 18 MB | 32 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Bouqt.com Ltd](https://appshunter.io/developer/386265332) | [Nomnio](https://appshunter.io/developer/1440372439) |

## What reviewers say

### Authenticator

[App page](https://appshunter.io/ios/app/authenticator/id1361959180)

This app generates time-based and counter-based one-time passwords for multi-factor authentication. It enhances account security by providing an extra layer of verification for services like Google and Bouqt apps. Data is stored securely on your device's keychain.

**Highlights:** Multi-factor authentication code generation, Supports time-based and counter-based OTPs, Offline functionality (no internet required), Secure keychain storage, Code grouping for organization, Simple and readable UI

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

**In-app purchases:** none


### HeatNext

[App page](https://appshunter.io/ios/app/heatnext/id1440372440)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Package | $1.99 | per month |
| Advanced Package | $3.99 | per month |
| Plus Package | $18.99 | per year |
| Advanced Package | $37.99 | per year |


## Frequently asked questions

### Is Authenticator free?

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

### Is HeatNext free?

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

### Do Authenticator or HeatNext have ads?

Neither Authenticator nor HeatNext shows ads.

### Which is updated more often, Authenticator or HeatNext?

Authenticator ships an update every 3 days, and HeatNext every 2 months. Most recently, Authenticator was updated on August 12, 2026 and HeatNext on September 15, 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.*