# ProMasters Only vs SOK Battery

The clearest difference is price: SOK Battery at Free against ProMasters Only's $69.99. SOK Battery also leads on update cadence (every 3 months vs every 7 months). ProMasters Only's advantage is rating (4.5 vs 2.6) and review sentiment (79% vs 38%). On ratings volume, ads, in-app purchases and device support there is nothing between them.

SOK Battery 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 2.6. Both are backed by a comparable volume of ratings — 21 and 11 respectively. Written reviews point the same way: 79% of ProMasters Only's written reviews are positive against 38% of SOK Battery's.

ProMasters Only ships an update every 7 months, SOK Battery every 3 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ProMasters Only | SOK Battery |
| --- | --- | --- |
| Price | $69.99 | **Free** |
| Rating | **[4.5 (21 ratings)](https://appshunter.io/ios/app/promasters-only/id6737483353/reviews)** | [2.6 (11 ratings)](https://appshunter.io/ios/app/sok-battery/id6737956162/reviews) |
| Number of ratings | **21** | 11 |
| Positive reviews | **78.6% of reviews** | 37.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | Paid | **Free** |
| Best chart rank | **#187** | — |
| Size | 27 MB | 69 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Kip Amore](https://appshunter.io/developer/1776662732) | [Zhuhai Sepicn Electronics and Technology Co.,Ltd](https://appshunter.io/developer/1773689392) |

## What reviewers say

### ProMasters Only

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

**Currently charting:** #187 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


### SOK Battery

[App page](https://appshunter.io/ios/app/sok-battery/id6737956162)

Monitor your battery's vital signs with detailed information. Track voltage, current, state of charge, and temperature for comprehensive battery health insights. Ensure you have the latest version for optimal performance.

**Highlights:** Battery model check, Voltage monitoring, Charge/discharge current tracking, State of Charge (SOC) display, Temperature monitoring, Important parameter information

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

**In-app purchases:** none


## Frequently asked questions

### Is ProMasters Only free?

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

### Is SOK Battery free?

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

### Which has better reviews, ProMasters Only or SOK Battery?

ProMasters Only is rated higher. ProMasters Only averages 4.5 out of 5 from 21 ratings, while SOK Battery averages 2.6 from 11 ratings.

### Do ProMasters Only or SOK Battery have ads?

Neither ProMasters Only nor SOK Battery shows ads.

### Which is updated more often, ProMasters Only or SOK Battery?

ProMasters Only ships an update every 7 months, and SOK Battery every 3 months. Most recently, ProMasters Only was updated on October 27, 2026 and SOK Battery on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*