# Solar Planner vs Helio 11

The clearest difference is device support: Solar Planner at 2 against Helio 11's —. Solar Planner also leads on iOS requirement (17.0 vs 26.0). On price and in-app purchases there is nothing between them.

Both are free to download. Solar Planner sells 3 in-app purchases, starting at $3.99 per 7 days and Helio 11 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Solar Planner | Helio 11 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | — |
| Update frequency | Daily | — |
| Size | 7 MB | 9 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 12+ |
| Developer | [Sophisticated Engineering UG (haftungsbeschrankt)](https://appshunter.io/developer/1439958289) | [Michael Rieck](https://appshunter.io/developer/1730442482) |

## What reviewers say

### Solar Planner

[App page](https://appshunter.io/ios/app/solar-planner/id6739471101)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| worldwide - 1 week | $3.99 | per 7 days |
| worldwide - 1 month | $8.99 | per month |
| worldwide - 1 year | $89.99 | per year |


### Helio 11

[App page](https://appshunter.io/ios/app/helio-11/id6754551158)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Sites & Systems | $7.99 | one-time |


## Frequently asked questions

### Is Solar Planner free?

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

### Is Helio 11 free?

Helio 11 is free to download, with in-app purchases available.

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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.*