Door Minder vs GridSure
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Door Minder
Enhance your home's safety with a low-cost, easy-to-install security system for your doors. It offers password-protected communication and long battery life without needing Wi-Fi or a mobile app for basic monitoring.
- Low-cost safety and security
- Easy 2-minute installation
- Works with sectional and tilt doors
- Up to 150 foot outdoor range
- Secure, password protected communication
- Extra long-life battery
- Low battery notification
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• Low cost safety & security for your family. • No wires to disconnect or hook up. • Easy 2 minute installation. • Works with sectional and tilt doors. • Does not change the way your door operates. • Up to 150 foot outdoor range. • Secure, password protected communication. • Extra long-life battery. • No home Wi-Fi needed. • No mobile app required. • Low battery notification. • Monitor up to 8 doors with optional app.
GridSure
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.
- Real-time visibility
- Control of electric power systems
- Diagnostics for power systems
- Actionable grid intelligence
- Faster response times
- Downtime reduction
- Grid performance optimization
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The GridSure mobile app by UtilityInnovation Group is a powerful platform that gives utility and large energy users real-time visibility, control, and diagnostics for electric power systems. Whether in the field or at the office, GridSure Connect and AnywhereEngineering features put actionable grid intelligence at your fingertips, helping teams respond faster, reduce downtime, and optimize grid performance.
Screenshots
Verdict
The clearest difference is review sentiment: GridSure at 100% against Door Minder's 14%. GridSure also leads on rating (4.5 vs 2.1). Door Minder's advantage is iOS requirement (11.0 vs 16.4). On price, ratings volume, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
GridSure holds the better App Store score, 4.5 against 2.1. Both are backed by a comparable volume of ratings — 10 and 8 respectively. Written reviews point the same way: 14% of Door Minder's written reviews are positive against 100% of GridSure's.
Door Minder ships an update monthly, GridSure every 2 weeks. The most recent releases landed on June 6, 2026 and August 13, 2026 respectively.
| Parameter | Door Minder | GridSure |
|---|---|---|
| Price | Free | Free |
| Rating | 2.1 (10 ratings) | 4.5 (8 ratings) — better |
| Positive reviews | 14.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 10 — better | 8 |
| Update frequency | Monthly | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 11.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 9 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | Robert Lawson | UtilityInnovation Group |
Customer experience
Door Minder
GridSure
In-app purchases
Door Minder
No in-app purchases
GridSure
No in-app purchases
