# SPM GNSS vs Blue Dots.

The clearest difference is in-app purchases: SPM GNSS at none against Blue Dots.'s 11. SPM GNSS also leads on iOS requirement (9.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Blue Dots. sells 11 in-app purchases, starting at $4.99 per month. SPM GNSS asks for nothing beyond the download.

## The numbers

| Metric | SPM GNSS | Blue Dots. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 8 days |
| Size | 28 MB | 70 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Horizon Hobby](https://appshunter.io/developer/415542050) | [Kenneth Søgnesand](https://appshunter.io/developer/1883472851) |

## What reviewers say

### SPM GNSS

[App page](https://appshunter.io/ios/app/spm-gnss/id6742728543)

**Features:** macOS Compatibility

**In-app purchases:** none


### Blue Dots.

[App page](https://appshunter.io/ios/app/blue-dots/id6760251750)

**Features:** macOS Compatibility

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $4.99 | per month |
| Premium monthly | $9.99 | per month |
| Family small monthly | $29.99 | per month |
| Family large monthly | $39.99 | per month |
| Business 5 Seats | $49.99 | per month |
| Pro yearly | $49.99 | per year |
| Business 10 Seats | $89.99 | per month |
| Premium yearly | $99.99 | per year |
| Business 25 Seats | $199.99 | per month |
| Family small yearly | $239.99 | per year |
| Family large yearly | $319.99 | per year |


## Frequently asked questions

### Is SPM GNSS free?

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

### Is Blue Dots. free?

Blue Dots. is free to download, with in-app purchases available.

### Do SPM GNSS or Blue Dots. have ads?

Neither SPM GNSS nor Blue Dots. shows ads.

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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.*