# Authenticator vs EnergyBilling

The clearest difference is in-app purchases: EnergyBilling at none against Authenticator's 2. EnergyBilling also leads on ads (none vs shown) and iOS requirement (15.0 vs 17). Authenticator's advantage is update cadence (every 2 weeks vs every 6 months). On price and device support there is nothing between them.

Both are free to download. Authenticator sells 2 in-app purchases, starting at $49.99 per year. EnergyBilling asks for nothing beyond the download.

Authenticator ships an update every 2 weeks, EnergyBilling every 6 months. The most recent releases landed on November 4, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Authenticator | EnergyBilling |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 6 months |
| Size | 36 MB | 52 MB |
| Requires iOS | 17 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AQUAWOOD PTE. LTD.](https://appshunter.io/developer/1774212005) | [Henan Compere Smart Technology Co., Ltd.](https://appshunter.io/developer/1551573056) |

## What reviewers say

### Authenticator

[App page](https://appshunter.io/ios/app/authenticator-2fa-and-passkey/id6736977421)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| year | $49.99 | per year |
| lifetime | $99.99 | one-time |


### EnergyBilling

[App page](https://appshunter.io/ios/app/energybilling/id6753842952)

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

**In-app purchases:** none


## Frequently asked questions

### Is Authenticator free?

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

### Is EnergyBilling free?

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

### Do Authenticator or EnergyBilling have ads?

Authenticator shows ads; EnergyBilling does not.

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

Authenticator ships an update every 2 weeks, and EnergyBilling every 6 months. Most recently, Authenticator was updated on November 4, 2026 and EnergyBilling on October 28, 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.*