# Solar Mate II vs Epoch Pro

The clearest difference is rating: Epoch Pro at 3.9 against Solar Mate II's 1.0. Epoch Pro also leads on ratings volume (26 vs 3). Solar Mate II's advantage is update cadence (every 3 months vs every 13 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Epoch Pro holds the better App Store score, 3.9 against 1.0. That said, the two scores are not equally well evidenced: Epoch Pro has 26 ratings behind it against 3, so its average is the more settled of the two.

Solar Mate II ships an update every 3 months, Epoch Pro every 13 months. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Solar Mate II | Epoch Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (3 ratings)](https://appshunter.io/ios/app/solar-mate-ii/id6449828006/reviews) | **[3.9 (26 ratings)](https://appshunter.io/ios/app/epoch-pro/id6463113720/reviews)** |
| Number of ratings | 3 | **26** |
| Positive reviews | — | 58.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 13 months |
| Monetization | Free | Free |
| Size | 40 MB | 17 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TBB Power Co., Ltd](https://appshunter.io/developer/1089239531) | [EDG Sales International LLC](https://appshunter.io/developer/1546168152) |

## What reviewers say

### Solar Mate II

[App page](https://appshunter.io/ios/app/solar-mate-ii/id6449828006)

Monitor your solar charger's performance in real-time, view battery and energy data, and access detailed logs. Receive firmware updates to optimize your device's functionality.

**Highlights:** Real-time solar energy data, Battery working status monitoring, On-line firmware updates, Detailed log information, System setting adjustments, Solar charger status understanding

**Features:** macOS Compatibility

**In-app purchases:** none


### Epoch Pro

[App page](https://appshunter.io/ios/app/epoch-pro/id6463113720)

Monitor and manage your Epoch Pro batteries with this app. It provides real-time data on individual batteries and systems, offers Bluetooth connectivity for enhanced user experience, and helps extend battery life and stability.

**Highlights:** Real-time SOC, voltage, current, capacity, temperature monitoring, Individual battery voltage and alarm status display, Cell temperature and parameter warnings (over/under voltage, over current), Bluetooth connectivity for battery systems, Record of warnings and protection events, Extend battery service life and enhance stability

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Solar Mate II free?

Solar Mate II is free to download, with no in-app purchases.

### Is Epoch Pro free?

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

### Which has better reviews, Solar Mate II or Epoch Pro?

Epoch Pro is rated higher. Solar Mate II averages 1.0 out of 5 from 3 ratings, while Epoch Pro averages 3.9 from 26 ratings.

### Do Solar Mate II or Epoch Pro have ads?

Neither Solar Mate II nor Epoch Pro shows ads.

### Which is updated more often, Solar Mate II or Epoch Pro?

Solar Mate II ships an update every 3 months, and Epoch Pro every 13 months. Most recently, Solar Mate II was updated on October 24, 2026 and Epoch Pro on October 21, 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.*