ProGuidePower vs Stoltz Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ProGuidePower
Monitor your battery's performance with real-time data. Track charge, cycle life, and health via Bluetooth connection. Get insights into charging status and identify potential faults.
- Real-time battery data
- State of Charge tracking
- Cycle Life monitoring
- Amperage Draw analysis
- Battery Health assessment
- Fault and error code identification
- Charging status monitoring
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The Pro-Guide Battery App will give you up to the minute data to track the State of Charge, Cycle Life, Amperage Draw, and Battery Health from your mobile device with the built-in Bluetooth Connection. Know before you go Battery Data: To the minute data connected to your battery via bluetooth. Track your State of Charge, Amperage Draw, Cell Balance, and much more. Know Your Batteries Health: Be able to check your batteries state of health, and view current faults or error codes with the bluetooth connection. Know Your Charging: Have the confidence to know that your batteries are charging after a long day out on the water!
Stoltz Calc
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Soil Stabilization and Stoltz Site Spreader calibration calculators.
Screenshots
Verdict
The clearest difference is iOS requirement: ProGuidePower at 11.0 against Stoltz Calc's 17.6. On price, update cadence, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | ProGuidePower | Stoltz Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 3.2 (5 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 5 months | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 11.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 6 MB | 1 MB |
| Age rating | 17+ | 4+ |
| Developer | Battery Outfitters, Inc | Stoltz MFG., LLC. |
In-app purchases
ProGuidePower
No in-app purchases
Stoltz Calc
No in-app purchases
Questions
Is ProGuidePower free?
Is Stoltz Calc free?
Do ProGuidePower or Stoltz Calc have ads?
Which is updated more often, ProGuidePower or Stoltz Calc?
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