ProMasters Only vs SOK Battery
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ProMasters Only
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.
- 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
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Welcome to the ProMasters Only App version 2.0. This is a phone or tablet app written specifically for the Ram ProMaster. Covers Promaster 1500, 2500, and 3500 all years. App requires hardware purchase of an OBD dongle ($15-30 on Amazon). Approved dongles and links to them are in the demonstration video: https://youtu.be/XWhNLE6Peno New and Improved for 2.0: * Gauge Alarms * One-touch Login * Wake Lock * Heads Up Display Mode * Gauge explanation videos * Oil Change/Repair log book * Repair Shop Finder * Technical Library of videos covering ALL topics * Fluids and Consumables Specs This app features a trouble code reader, and if any of the common codes for ProMaster come up it provides a link for a detailed explanation of that code, what causes it, and how to fix it. Gauges for Voltage, Oil Pressure, Coolant Temperature, Engine power, and Fuel trims. Plus the ALL IMPORTANT Transmission fluid temperature gauge - monitoring transmission temps may save your transmission! Note: transmission temp gauge does not work on 2022-later vans, but is not as important on those newer transmissions. Note: app not fully implemented for the diesel ProMasters. App is free upgrades for life.
SOK Battery
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.
- Battery model check
- Voltage monitoring
- Charge/discharge current tracking
- State of Charge (SOC) display
- Temperature monitoring
- Important parameter information
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Please check your battery model before you use the app,It supports information monitor including voltage,charge or discharge current,SOC ,temperature and so on.You can also see many important parameters information.Make sure you have the latest version and hope you having fun using sok battery
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | ProMasters Only | SOK Battery |
|---|---|---|
| Price | $69.99 | Free — better |
| Rating | 4.5 (21 ratings) — better | 2.6 (11 ratings) |
| Positive reviews | 78.6% of reviews — better | 37.5% of reviews |
| Number of ratings | 21 — better | 11 |
| Update frequency | Every 7 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Best chart rank | #187 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 27 MB | 69 MB |
| Age rating | 17+ | 4+ |
| Developer | Kip Amore | Zhuhai Sepicn Electronics and Technology Co.,Ltd |
Customer experience
ProMasters Only
SOK Battery
In-app purchases
ProMasters Only
No in-app purchases
SOK Battery
No in-app purchases
