# Within vs Terra Forecast

The clearest difference is in-app purchases: Within at none against Terra Forecast's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Terra Forecast sells 2 in-app purchases, starting at $0.99 per 7 days. Within asks for nothing beyond the download.

Within ships an update every 3 days, Terra Forecast every 4 days. The most recent releases landed on September 5, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Within | Terra Forecast |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 days |
| Size | 5 MB | 14 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [Dingze Yu](https://appshunter.io/developer/1803875450) | [Frontend Accelerator ApS](https://appshunter.io/developer/1896654493) |

## What reviewers say

### Within

[App page](https://appshunter.io/ios/app/within-horizons/id6757207646)

**Features:** macOS Compatibility

**In-app purchases:** none


### Terra Forecast

[App page](https://appshunter.io/ios/app/terra-forecast/id6782368435)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $0.99 | per 7 days |
| Yearly Premium | $6.99 | per year |


## Frequently asked questions

### Is Within free?

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

### Is Terra Forecast free?

Terra Forecast is free to download, with in-app purchases available.

### Do Within or Terra Forecast have ads?

Neither Within nor Terra Forecast shows ads.

### Which is updated more often, Within or Terra Forecast?

Within ships an update every 3 days, and Terra Forecast every 4 days. Most recently, Within was updated on September 5, 2026 and Terra Forecast on September 10, 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.*