# IGM Surfaces vs SPS GO

The clearest difference is update cadence: SPS GO at every 2 weeks against IGM Surfaces's every 6 weeks. IGM Surfaces's advantage is iOS requirement (13 vs 17). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

IGM Surfaces ships an update every 6 weeks, SPS GO every 2 weeks. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | IGM Surfaces | SPS GO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Size | 67 MB | 36 MB |
| Requires iOS | **13** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Covetus](https://appshunter.io/developer/1041998644) | [Ravi Rudraraju](https://appshunter.io/developer/1230421739) |

## What reviewers say

### IGM Surfaces

[App page](https://appshunter.io/ios/app/igm-surfaces/id1511126501)

**Features:** macOS Compatibility

**In-app purchases:** none


### SPS GO

[App page](https://appshunter.io/ios/app/sps-go/id6753707778)

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

**In-app purchases:** none


## Frequently asked questions

### Is IGM Surfaces free?

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

### Is SPS GO free?

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

### Do IGM Surfaces or SPS GO have ads?

Neither IGM Surfaces nor SPS GO shows ads.

### Which is updated more often, IGM Surfaces or SPS GO?

IGM Surfaces ships an update every 6 weeks, and SPS GO every 2 weeks. Most recently, IGM Surfaces was updated on October 27, 2026 and SPS GO on October 24, 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.*