# Simple Solar vs OctopusSwift

The clearest difference is price: Simple Solar at Free against OctopusSwift's $1.99. OctopusSwift's advantage is in-app purchases (none vs 4) and update cadence (weekly vs every 4 weeks). On ads, device support and iOS requirement there is nothing between them.

Simple Solar is free to download; OctopusSwift costs $1.99 up front. Simple Solar sells 4 in-app purchases, starting at $6.99 per month. OctopusSwift asks for nothing beyond the download.

Simple Solar ships an update every 4 weeks, OctopusSwift weekly. The most recent releases landed on October 3, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Simple Solar | OctopusSwift |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Weekly** |
| Monetization | — | Paid |
| Size | 70 MB | 7 MB |
| Requires iOS | **16.6** | 17.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Minutia Mobile](https://appshunter.io/developer/1446213585) | [Dafydd Thomas](https://appshunter.io/developer/1816916265) |

## What reviewers say

### Simple Solar

[App page](https://appshunter.io/ios/app/simple-solar/id6743857767)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Automation | $6.99 | per month |
| Yearly Subscription | $59.00 | per year |
| Remove Ads | $2.99 | one-time |
| Remove Ad's | $2.99 | one-time |


### OctopusSwift

[App page](https://appshunter.io/ios/app/octopusswift/id6746445453)

Monitor your household's electricity usage and costs in real-time. See current and upcoming energy rates to identify the cheapest and most expensive times to use power, helping you save money and reduce environmental impact.

**Highlights:** Live electricity usage monitoring, Real-time cost estimates, Dynamic half-hourly rate display, Future rate forecasting, Identification of cheapest/peak times

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

**In-app purchases:** none


## Frequently asked questions

### Is Simple Solar free?

Simple Solar is free to download, with in-app purchases available.

### Is OctopusSwift free?

OctopusSwift costs $1.99, with no in-app purchases.

### Do Simple Solar or OctopusSwift have ads?

Neither Simple Solar nor OctopusSwift shows ads.

### Which is updated more often, Simple Solar or OctopusSwift?

Simple Solar ships an update every 4 weeks, and OctopusSwift weekly. Most recently, Simple Solar was updated on October 3, 2026 and OctopusSwift on September 29, 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.*