# ChargePro 2.0 vs Voltage Drop Calculator

The clearest difference is in-app purchases: ChargePro 2.0 at none against Voltage Drop Calculator's 1. ChargePro 2.0 also leads on device support (3 vs 1) and iOS requirement (10.0 vs 16.6). On price and ads there is nothing between them.

Both are free to download. Voltage Drop Calculator sells 1 one-off in-app purchase. ChargePro 2.0 asks for nothing beyond the download.

## The numbers

| Metric | ChargePro 2.0 | Voltage Drop Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.4 (28 ratings)](https://appshunter.io/ios/app/chargepro-20/id1595524898/reviews)** | — |
| Number of ratings | **28** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free | — |
| Size | 5 MB | 2 MB |
| Requires iOS | **10.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [HNE](https://appshunter.io/developer/1595524900) | [Kirill Bereznev](https://appshunter.io/developer/6800891315) |

## What reviewers say

### ChargePro 2.0

[App page](https://appshunter.io/ios/app/chargepro-20/id1595524898)

Remotely monitor and control solar DC charge systems. View real-time PV, battery, and load status, access historical data, and adjust charge controller parameters like battery type and load modes.

**Highlights:** Remote operation and monitoring, PV, battery, and DC load status display, Historical data viewing, Parameter settings for charge controllers, Device information display, Bluetooth connection management

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

**In-app purchases:** none


### Voltage Drop Calculator

[App page](https://appshunter.io/ios/app/voltage-drop-calculator-nec/id6800891313)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Voltage Drop Pro Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is ChargePro 2.0 free?

ChargePro 2.0 is free to download, with no in-app purchases.

### Is Voltage Drop Calculator free?

Voltage Drop Calculator is free to download, with in-app purchases available.

### Do ChargePro 2.0 or Voltage Drop Calculator have ads?

Neither ChargePro 2.0 nor Voltage Drop Calculator shows ads.

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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.*