# Solar Planner vs Tagaeff Solar Forecaster

The clearest difference is ads: Tagaeff Solar Forecaster at none against Solar Planner's shown. Solar Planner's advantage is update cadence (daily vs every 8 days). On price, in-app purchases, device support and iOS requirement 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 Tagaeff Solar Forecaster sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Solar Planner ships an update daily, Tagaeff Solar Forecaster every 8 days. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Solar Planner | Tagaeff Solar Forecaster |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 8 days |
| Size | 7 MB | 6 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sophisticated Engineering UG (haftungsbeschrankt)](https://appshunter.io/developer/1439958289) | [Marsel Tagaev](https://appshunter.io/developer/1832147875) |

## 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 |


### Tagaeff Solar Forecaster

[App page](https://appshunter.io/ios/app/tagaeff-solar-forecaster/id6767835704)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Solar Forecast Pro Annual | $3.99 | per month |
| Solar Forecast PRO | $29.99 | per year |


## Frequently asked questions

### Is Solar Planner free?

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

### Is Tagaeff Solar Forecaster free?

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

### Do Solar Planner or Tagaeff Solar Forecaster have ads?

Solar Planner shows ads; Tagaeff Solar Forecaster does not.

### Which is updated more often, Solar Planner or Tagaeff Solar Forecaster?

Solar Planner ships an update daily, and Tagaeff Solar Forecaster every 8 days. Most recently, Solar Planner was updated on October 30, 2026 and Tagaeff Solar Forecaster on November 5, 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.*