# Bidirectional vs GridMind Power

The clearest difference is in-app purchases: Bidirectional at none against GridMind Power's 2. Bidirectional also leads on iOS requirement (15.1 vs 26.0). GridMind Power's advantage is update cadence (every 2 days vs monthly). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. GridMind Power sells 2 in-app purchases, starting at $2.99 per month. Bidirectional asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Bidirectional against 5.0 for GridMind Power. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

Bidirectional ships an update monthly, GridMind Power every 2 days. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Bidirectional | GridMind Power |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/bidirectional/id6448762800/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/gridmind-power/id6760313965/reviews) |
| Number of ratings | 2 | **4** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | **Free** | Freemium |
| Size | 103 MB | 26 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Bidirectional Energy, Inc.](https://appshunter.io/developer/1686225288) | [Scott Brant](https://appshunter.io/developer/1882781093) |

## What reviewers say

### Bidirectional

[App page](https://appshunter.io/ios/app/bidirectional/id6448762800)

Optimize your electric vehicle charging to save money and reduce your carbon footprint. This app intelligently schedules charging during off-peak hours and can even discharge your EV to power your home or support the grid, potentially earning you money.

**Highlights:** Schedule charging during cheapest energy rates, Discharge EV to power home, Reduce CO2 emissions, Earn money from utility, Set departure times and battery targets, Track savings and environmental impact

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

**In-app purchases:** none


### GridMind Power

[App page](https://appshunter.io/ios/app/gridmind-power/id6760313965)

Gain full insight and control over your home's energy system, including solar panels, battery storage, and EV charging. Monitor real-time power flow, optimize battery usage for peak rates, and track financial gains and solar production forecasts.

**Highlights:** Real-time power flow visualization, Smart peak optimization for battery export, EV charging monitoring and control, Financial tracking of energy earnings, 7-day solar production forecasting, Customizable automation rules

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GridMind Pro | $2.99 | per month |
| GridMind Pro (Annual) | $29.99 | per year |


## Frequently asked questions

### Is Bidirectional free?

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

### Is GridMind Power free?

GridMind Power is free to download, with in-app purchases available.

### Which has better reviews, Bidirectional or GridMind Power?

Bidirectional and GridMind Power are both rated 5.0 out of 5 on the App Store, from 2 and 4 ratings respectively.

### Do Bidirectional or GridMind Power have ads?

Neither Bidirectional nor GridMind Power shows ads.

### Which is updated more often, Bidirectional or GridMind Power?

Bidirectional ships an update monthly, and GridMind Power every 2 days. Most recently, Bidirectional was updated on October 4, 2026 and GridMind Power on October 6, 2026.

---

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