# Project References vs GlassScope™

The clearest difference is ads: Project References at none against GlassScope™'s shown. Project References also leads on device support (3 vs 1) and iOS requirement (10.0 vs 16.0). GlassScope™'s advantage is update cadence (monthly vs every 4 months). On price and in-app purchases there is nothing between them.

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

Project References ships an update every 4 months, GlassScope™ monthly. The most recent releases landed on October 11, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Project References | GlassScope™ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Monthly** |
| Size | 67 MB | 739 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Pilkington Group Ltd](https://appshunter.io/developer/1184941969) | [Vidriera Monterrey, S.A. de C.V.](https://appshunter.io/developer/610859089) |

## What reviewers say

### Project References

[App page](https://appshunter.io/ios/app/project-references/id1474357446)

**Features:** macOS Compatibility

**In-app purchases:** none


### GlassScope™

[App page](https://appshunter.io/ios/app/glassscope/id6743095712)

**In-app purchases:** none


## Frequently asked questions

### Is Project References free?

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

### Is GlassScope™ free?

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

### Do Project References or GlassScope™ have ads?

GlassScope™ shows ads; Project References does not.

### Which is updated more often, Project References or GlassScope™?

Project References ships an update every 4 months, and GlassScope™ monthly. Most recently, Project References was updated on October 11, 2026 and GlassScope™ on October 4, 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.*