# My Solar RX vs Authenticator App

The clearest difference is in-app purchases: My Solar RX at none against Authenticator App's 2. Authenticator App's advantage is update cadence (every 5 days vs every 2 weeks). On price, rating, ratings volume 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. My Solar RX asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for My Solar RX against 5.0 for Authenticator App. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

My Solar RX ships an update every 2 weeks, Authenticator App every 5 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | My Solar RX | Authenticator App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/my-solar-rx/id6766524994/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/authenticator-app-2fa-app/id6780947344/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | **Free** | Freemium |
| Size | 46 MB | 24 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sunny Energy Solar](https://appshunter.io/developer/1896299316) | [Temurbek Rakhimov](https://appshunter.io/developer/6780947346) |

## What reviewers say

### My Solar RX

[App page](https://appshunter.io/ios/app/my-solar-rx/id6766524994)

Monitor your solar system's performance in real-time with live power flow and energy production charts. Compare your system's output to neighbors and receive smart alerts for underperformance. Request service directly from the app to quickly address any issues.

**Highlights:** Real-time power flow monitoring, Daily energy production charts, Neighbor performance comparison, Smart underperformance alerts, Direct service request submission, Account management

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

**In-app purchases:** none


### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-2fa-app/id6780947344)

This app generates time-based one-time passwords (TOTP) for secure online account access. It supports adding accounts via QR codes or manual entry, with codes stored locally for offline use. Optional Face ID protection enhances privacy.

**Highlights:** Generate time-based one-time passwords (TOTP), Add accounts via QR code or manual entry, Secure local storage of codes, Offline access to verification codes, Optional Face ID protection, Fast and easy to use interface

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator Premium | $6.99 | per 7 days |
| Authenticator Premium | $44.99 | per year |


## Frequently asked questions

### Is My Solar RX free?

My Solar RX 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, My Solar RX or Authenticator App?

My Solar RX and Authenticator App are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do My Solar RX or Authenticator App have ads?

Neither My Solar RX nor Authenticator App shows ads.

### Which is updated more often, My Solar RX or Authenticator App?

My Solar RX ships an update every 2 weeks, and Authenticator App every 5 days. Most recently, My Solar RX was updated on October 31, 2026 and Authenticator App on October 31, 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.*