# Epoch Pro vs ProMasters Only

The clearest difference is price: Epoch Pro at Free against ProMasters Only's $69.99. Epoch Pro also leads on iOS requirement (13.0 vs 15.6). ProMasters Only's advantage is rating (4.5 vs 4.0) and review sentiment (79% vs 59%). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Epoch Pro is free to download; ProMasters Only costs $69.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ProMasters Only holds the better App Store score, 4.5 against 4.0. Both are backed by a comparable volume of ratings — 25 and 21 respectively. Written reviews point the same way: 59% of Epoch Pro's written reviews are positive against 79% of ProMasters Only's.

Epoch Pro ships an update every 13 months, ProMasters Only every 7 months. The most recent releases landed on June 2, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Epoch Pro | ProMasters Only |
| --- | --- | --- |
| Price | **Free** | $69.99 |
| Rating | [4.0 (25 ratings)](https://appshunter.io/ios/app/epoch-pro/id6463113720/reviews) | **[4.5 (21 ratings)](https://appshunter.io/ios/app/promasters-only/id6737483353/reviews)** |
| Number of ratings | **25** | 21 |
| Positive reviews | 58.8% of reviews | **78.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 7 months** |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#127** |
| Size | 17 MB | 27 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [EDG Sales International LLC](https://appshunter.io/developer/1546168152) | [Kip Amore](https://appshunter.io/developer/1776662732) |

## What reviewers say

### 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


### ProMasters Only

[App page](https://appshunter.io/ios/app/promasters-only/id6737483353)

**Currently charting:** #127 Top Paid · Utilities (US App Store)

This app provides diagnostic tools and information specifically for Ram ProMaster vans. It offers real-time gauge monitoring, trouble code explanations, and a repair log, requiring a separate OBD dongle purchase.

**Highlights:** Trouble code reader with explanations, Real-time gauge monitoring (Voltage, Oil Pressure, Coolant Temp, etc.), Transmission fluid temperature gauge, Oil change and repair log book, Repair shop finder, Technical library with videos, Fluids and consumables specifications

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

**In-app purchases:** none


## Frequently asked questions

### Is Epoch Pro free?

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

### Is ProMasters Only free?

ProMasters Only costs $69.99, with no in-app purchases.

### Which has better reviews, Epoch Pro or ProMasters Only?

ProMasters Only is rated higher. Epoch Pro averages 4.0 out of 5 from 25 ratings, while ProMasters Only averages 4.5 from 21 ratings.

### Do Epoch Pro or ProMasters Only have ads?

Neither Epoch Pro nor ProMasters Only shows ads.

### Which is updated more often, Epoch Pro or ProMasters Only?

Epoch Pro ships an update every 13 months, and ProMasters Only every 7 months. Most recently, Epoch Pro was updated on June 2, 2026 and ProMasters Only on September 13, 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.*