# EMA App vs BCCA Convention

The clearest difference is update cadence: EMA App at every 9 days against BCCA Convention's every 3 months. EMA App also leads on iOS requirement (15.0 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.

EMA App ships an update every 9 days, BCCA Convention every 3 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | EMA App | BCCA Convention |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (113 ratings)](https://appshunter.io/ios/app/ema-app/id984843541/reviews)** | — |
| Number of ratings | **113** | — |
| Positive reviews | 26.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 months |
| Monetization | Free | — |
| Size | 252 MB | 76 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Altenergy Power System,Inc.](https://appshunter.io/developer/906598006) | [British Columbia Chiropractic Association](https://appshunter.io/developer/1433839715) |

## What reviewers say

### EMA App

[App page](https://appshunter.io/ios/app/ema-app/id984843541)

Monitor your solar energy system's performance in real-time and review historical data. Track power output, environmental benefits, and system details for APsystems microinverter users.

**Highlights:** Real-time output power display, Historical power output tracking, Environmental benefits monitoring, Daily, monthly, yearly, and lifetime output review, System registration and equipment profile, Installer contact information

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

**In-app purchases:** none

**What reviewers like**

- ✅ Accurate solar panel energy production tracking
- 📊 Clear and easy-to-understand data visualization
- 🌍 CO2 reduction metrics display
- ⚡ Reliable hardware performance
- 📱 Basic functionality works when operational

**What reviewers complain about**

- 🐛 Frequent app crashes and freezes
- 🔌 Unreliable connectivity and offline issues
- ⏰ Data consistently 10-15 minutes to hours behind real-time
- 🌙 Night mode/dark mode won't persist after closing app
- ⚙️ Settings not retained between sessions

**Reported bugs**

- App won't open on iPad after recent updates
- Night/dark mode doesn't persist when app is closed
- Login screen infinite loading circle
- App crashes regularly and becomes unusable
- Data page requires manual selection every time to display information

**Requested features**

- iOS widgets for home screen and lock screen
- Apple Watch app and watch face widgets
- iPad app with landscape mode support
- Auto-refresh functionality for live data updates
- Persistent login credentials


### BCCA Convention

[App page](https://appshunter.io/ios/app/bcca-convention/id6462451975)

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

**In-app purchases:** none


## Frequently asked questions

### Is EMA App free?

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

### Is BCCA Convention free?

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

### Do EMA App or BCCA Convention have ads?

Neither EMA App nor BCCA Convention shows ads.

### Which is updated more often, EMA App or BCCA Convention?

EMA App ships an update every 9 days, and BCCA Convention every 3 months. Most recently, EMA App was updated on October 24, 2026 and BCCA Convention on October 24, 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.*