# Voltas BMS vs LiFePO4 QR

The clearest difference is update cadence: Voltas BMS at fortnightly against LiFePO4 QR's every 3 months. Voltas BMS also leads on iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Voltas BMS ships an update fortnightly, LiFePO4 QR every 3 months. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Voltas BMS | LiFePO4 QR |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Size | 35 MB | 4 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [VOLTAKER Kereskedelmi Korlatolt Felelossegu Tarsasag](https://appshunter.io/developer/1577347073) | [iLX](https://appshunter.io/developer/953940485) |

## What reviewers say

### Voltas BMS

[App page](https://appshunter.io/ios/app/voltas-bms/id1568684666)

**Features:** macOS Compatibility

**In-app purchases:** none


### LiFePO4 QR

[App page](https://appshunter.io/ios/app/lifepo4-qr/id6770294985)

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

**In-app purchases:** none


## Frequently asked questions

### Is Voltas BMS free?

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

### Is LiFePO4 QR free?

LiFePO4 QR is free to download, with no in-app purchases.

### Do Voltas BMS or LiFePO4 QR have ads?

Neither Voltas BMS nor LiFePO4 QR shows ads.

### Which is updated more often, Voltas BMS or LiFePO4 QR?

Voltas BMS ships an update fortnightly, and LiFePO4 QR every 3 months. Most recently, Voltas BMS was updated on October 27, 2026 and LiFePO4 QR on October 31, 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.*