# Quectel BPM vs Resistor calc

The clearest difference is price: Quectel BPM at Free against Resistor calc's $1.99. Quectel BPM also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (11.0 vs 13.0). On ads, in-app purchases and device support there is nothing between them.

Quectel BPM is free to download; Resistor calc costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Quectel BPM ships an update every 3 weeks, Resistor calc every 2 months. The most recent releases landed on September 29, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Quectel BPM | Resistor calc |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 25 MB | 17 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [上海移远通信技术股份有限公司](https://appshunter.io/developer/1475737481) | [Anas Abubakar](https://appshunter.io/developer/1581534101) |

## What reviewers say

### Quectel BPM

[App page](https://appshunter.io/ios/app/quectel-bpm/id1475737482)

**Features:** macOS Compatibility

**In-app purchases:** none


### Resistor calc

[App page](https://appshunter.io/ios/app/resistor-calc-electronics/id6477826973)

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

**In-app purchases:** none


## Frequently asked questions

### Is Quectel BPM free?

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

### Is Resistor calc free?

Resistor calc costs $1.99, with no in-app purchases.

### Do Quectel BPM or Resistor calc have ads?

Neither Quectel BPM nor Resistor calc shows ads.

### Which is updated more often, Quectel BPM or Resistor calc?

Quectel BPM ships an update every 3 weeks, and Resistor calc every 2 months. Most recently, Quectel BPM was updated on September 29, 2026 and Resistor calc on October 2, 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.*