# Goal Zero Power vs First Days

The clearest difference is in-app purchases: Goal Zero Power at none against First Days's 4. Goal Zero Power also leads on iOS requirement (13.4 vs 26.2). First Days's advantage is update cadence (every 9 days vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. First Days sells 4 in-app purchases, starting at $0.99 per month. Goal Zero Power asks for nothing beyond the download.

Goal Zero Power ships an update every 3 months, First Days every 9 days. The most recent releases landed on October 21, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Goal Zero Power | First Days |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (1.2K ratings)](https://appshunter.io/ios/app/goal-zero-power/id1369567573/reviews)** | — |
| Number of ratings | **1.2K** | — |
| Positive reviews | 34.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 54 MB | 45 MB |
| Requires iOS | **13.4** | 26.2 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Goal Zero LLC](https://appshunter.io/developer/1369567572) | [Gabrielle Miseroy](https://appshunter.io/developer/1856321734) |

## What reviewers say

### 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


### First Days

[App page](https://appshunter.io/ios/app/first-days/id6771847523)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| First Days Premium (Monthly) | $0.99 | per month |
| First Days Premium | $9.99 | per year |
| First Days Pro (Monthly) | $9.99 | per month |
| First Days Pro | $99.99 | per year |


## Frequently asked questions

### Is Goal Zero Power free?

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

### Is First Days free?

First Days is free to download, with in-app purchases available.

### Do Goal Zero Power or First Days have ads?

Neither Goal Zero Power nor First Days shows ads.

### Which is updated more often, Goal Zero Power or First Days?

Goal Zero Power ships an update every 3 months, and First Days every 9 days. Most recently, Goal Zero Power was updated on October 21, 2026 and First Days on October 7, 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.*