# XCPR vs Solar Potential Tracker

The clearest difference is ads: XCPR at none against Solar Potential Tracker's shown. Solar Potential Tracker's advantage is update cadence (every 4 weeks vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

XCPR ships an update every 2 months, Solar Potential Tracker every 4 weeks. The most recent releases landed on September 29, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | XCPR | Solar Potential Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Size | 32 MB | 67 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen XFT Medical Limited](https://appshunter.io/developer/645422367) | [Zia Ur Rahman](https://appshunter.io/developer/1529429081) |

## What reviewers say

### XCPR

[App page](https://appshunter.io/ios/app/xcpr/id6746477747)

**Features:** macOS Compatibility

**In-app purchases:** none


### Solar Potential Tracker

[App page](https://appshunter.io/ios/app/solar-potential-tracker/id6769672233)

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

**In-app purchases:** none


## Frequently asked questions

### Is XCPR free?

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

### Is Solar Potential Tracker free?

Solar Potential Tracker is free to download, with no in-app purchases.

### Do XCPR or Solar Potential Tracker have ads?

Solar Potential Tracker shows ads; XCPR does not.

### Which is updated more often, XCPR or Solar Potential Tracker?

XCPR ships an update every 2 months, and Solar Potential Tracker every 4 weeks. Most recently, XCPR was updated on September 29, 2026 and Solar Potential Tracker on October 10, 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.*