# PV vs BMS Pal

The clearest difference is in-app purchases: PV at none against BMS Pal's 2. PV also leads on iOS requirement (12.4 vs 26.2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. BMS Pal sells 2 one-off in-app purchases. PV asks for nothing beyond the download.

PV ships an update every 4 days, BMS Pal every 5 days. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | PV | BMS Pal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bms-pal/id6806738803/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 5 days |
| Monetization | — | Free with in-app purchases |
| Size | 10 MB | 25 MB |
| Requires iOS | **12.4** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Suzhou Radiant Photovoltaic Technology Co., Ltd](https://appshunter.io/developer/1630691682) | [Inquiring Minds, Inc](https://appshunter.io/developer/6806738805) |

## What reviewers say

### PV

[App page](https://appshunter.io/ios/app/pv-robot/id6450347047)

**Features:** macOS Compatibility

**In-app purchases:** none


### BMS Pal

[App page](https://appshunter.io/ios/app/bms-pal/id6806738803)

Consolidate data from various battery management systems into a single, live list. Monitor state of charge, voltage, current, and more with detailed per-cell views and historical charts. Offers advanced features like capacity testing and AI-powered sanity checks for your battery packs.

**Highlights:** Live telemetry from multiple BMS, Per-cell voltage and balancing indicators, Protection alerts in plain language, Group packs for combined readings, Capacity test and history logging, Chemistry detection and override, AI-powered sanity checks

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 25 Additional Sanity Checks | $2.00 | one-time |
| BMS Pal Unlock (Lifetime) | $5.00 | one-time |


## Frequently asked questions

### Is PV free?

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

### Is BMS Pal free?

BMS Pal is free to download, with in-app purchases available.

### Do PV or BMS Pal have ads?

Neither PV nor BMS Pal shows ads.

### Which is updated more often, PV or BMS Pal?

PV ships an update every 4 days, and BMS Pal every 5 days. Most recently, PV was updated on November 3, 2026 and BMS Pal on November 6, 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.*