# Simtek Sensors vs Goal Zero Power

The clearest difference is review sentiment: Simtek Sensors at 100% against Goal Zero Power's 34%. Simtek Sensors also leads on rating (4.9 vs 4.3) and update cadence (every 5 weeks vs every 3 months). Goal Zero Power's advantage is ads (none vs shown) and ratings volume (1.2K vs 7). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Simtek Sensors holds the better App Store score, 4.9 against 4.3. That said, the two scores are not equally well evidenced: Goal Zero Power has 1.2K ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 100% of Simtek Sensors's written reviews are positive against 34% of Goal Zero Power's.

Simtek Sensors ships an update every 5 weeks, Goal Zero Power every 3 months. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Simtek Sensors | Goal Zero Power |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (7 ratings)](https://appshunter.io/ios/app/simtek-sensors/id1261698660/reviews)** | [4.3 (1.2K ratings)](https://appshunter.io/ios/app/goal-zero-power/id1369567573/reviews) |
| Number of ratings | 7 | **1.2K** |
| Positive reviews | **100.0% of reviews** | 34.4% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | Ad-supported | **Free** |
| Size | 7 MB | 68 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Simtek, Inc.](https://appshunter.io/developer/1261698659) | [Goal Zero LLC](https://appshunter.io/developer/1369567572) |

## What reviewers say

### Simtek Sensors

[App page](https://appshunter.io/ios/app/simtek-sensors/id1261698660)

Monitor remote locations without Wi-Fi or power. Receive instant alerts on your phone when a sensor is triggered, enhancing security and peace of mind. Features include customizable messages, alert history, and low battery notifications.

**Highlights:** Remote space monitoring without Wi-Fi, Instant phone alerts (approx. 20 seconds), Customizable alert messages, Alert history tracking, Low battery notifications, Signal strength and battery status

**Features:** macOS Compatibility

**In-app purchases:** none


### Goal Zero Power

[App page](https://appshunter.io/ios/app/goal-zero-power/id1369567573)

Monitor, manage, and optimize your portable power devices from anywhere. Track battery levels, control ports remotely, and receive instant notifications for power events. Fine-tune settings for smart power management and access helpful guides and support.

**Highlights:** Live battery monitoring, Remote outlet control, Push notifications, Smart power management, Historical usage tracking, Firmware updates, In-app guides and support

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

**In-app purchases:** none

**What reviewers like**

- 👍 Works well
- 🚀 Great app
- 👍 Easy to use
- 👍 Lots of information
- 👍 Powerful power app

**What reviewers complain about**

- 🐛 Poor WiFi connectivity
- 🐛 Never stays connected to device
- 🐛 App does not work
- 🐛 Not user friendly
- 🐛 Never accurate

**Reported bugs**

- App crashes
- Firmware update issues
- Connectivity problems
- Inaccurate data display

**Requested features**

- Native iPad app
- Apple Watch support
- Better integration with expansion tanks
- Temperature monitoring and alerts


## Frequently asked questions

### Is Simtek Sensors free?

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

### Is Goal Zero Power free?

Goal Zero Power is free to download, with no in-app purchases.

### Which has better reviews, Simtek Sensors or Goal Zero Power?

Simtek Sensors is rated higher. Simtek Sensors averages 4.9 out of 5 from 7 ratings, while Goal Zero Power averages 4.3 from 1.2K ratings.

### Do Simtek Sensors or Goal Zero Power have ads?

Simtek Sensors shows ads; Goal Zero Power does not.

### Which is updated more often, Simtek Sensors or Goal Zero Power?

Simtek Sensors ships an update every 5 weeks, and Goal Zero Power every 3 months. Most recently, Simtek Sensors was updated on October 23, 2026 and Goal Zero Power on October 25, 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.*