# My Solar vs BPI Calc

The clearest difference is in-app purchases: My Solar at none against BPI Calc's 1. BPI Calc's advantage is update cadence (every 3 weeks vs every 57 months) and iOS requirement (13.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. BPI Calc sells 1 in-app purchase, starting at $299.99 per year. My Solar asks for nothing beyond the download.

My Solar ships an update every 57 months, BPI Calc every 3 weeks. The most recent releases landed on October 20, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | My Solar | BPI Calc |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 38.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 57 months | **Every 3 weeks** |
| Monetization | Ad-supported | — |
| Size | 1 MB | 40 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Solar Analytics](https://appshunter.io/developer/1229560208) | [The CM Group.net Pty Ltd](https://appshunter.io/developer/1787544551) |

## What reviewers say

### My Solar

[App page](https://appshunter.io/ios/app/my-solar/id1229560209)

Track your rooftop solar system's performance and optimize your energy usage. Get personalized recommendations for energy plans, analyze your bills, and understand if a battery is a good investment. Monitor your savings and receive alerts for system attention.

**Highlights:** Personalized energy plan recommendations, Household energy usage tracking, Electricity bill analysis, Battery calculator, Solar savings monitoring, Automated alerts and notifications

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

**In-app purchases:** none


### BPI Calc

[App page](https://appshunter.io/ios/app/bpi-calc/id6739940689)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BPI Calc Pro Annual | $299.99 | per year |


## Frequently asked questions

### Is My Solar free?

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

### Is BPI Calc free?

BPI Calc is free to download, with in-app purchases available.

### Do My Solar or BPI Calc have ads?

Neither My Solar nor BPI Calc shows ads.

### Which is updated more often, My Solar or BPI Calc?

My Solar ships an update every 57 months, and BPI Calc every 3 weeks. Most recently, My Solar was updated on October 20, 2026 and BPI Calc on October 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*