# Substation Digital vs GridSure

The clearest difference is update cadence: GridSure at every 2 weeks against Substation Digital's every 5 weeks. Substation Digital's advantage is iOS requirement (13.4 vs 16.4). 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.

Substation Digital ships an update every 5 weeks, GridSure every 2 weeks. The most recent releases landed on September 13, 2026 and August 13, 2026 respectively.

## The numbers

| Metric | Substation Digital | GridSure |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (8 ratings)](https://appshunter.io/ios/app/gridsure/id6746121952/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 42 MB | 41 MB |
| Requires iOS | **13.4** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [International Organization for Substations Digital Development POWER VIEW](https://appshunter.io/developer/1760809328) | [UtilityInnovation Group](https://appshunter.io/developer/1815251215) |

## What reviewers say

### Substation Digital

[App page](https://appshunter.io/ios/app/substation-digital/id6599860006)

**Features:** macOS Compatibility

**In-app purchases:** none


### GridSure

[App page](https://appshunter.io/ios/app/gridsure/id6746121952)

Provides real-time visibility, control, and diagnostics for electric power systems. Enables faster response, reduced downtime, and optimized grid performance for utility and large energy users.

**Highlights:** Real-time visibility, Control of electric power systems, Diagnostics for power systems, Actionable grid intelligence, Faster response times, Downtime reduction, Grid performance optimization

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

**In-app purchases:** none


## Frequently asked questions

### Is Substation Digital free?

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

### Is GridSure free?

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

### Do Substation Digital or GridSure have ads?

Neither Substation Digital nor GridSure shows ads.

### Which is updated more often, Substation Digital or GridSure?

Substation Digital ships an update every 5 weeks, and GridSure every 2 weeks. Most recently, Substation Digital was updated on September 13, 2026 and GridSure on August 13, 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.*