# IGP Reader vs Macmillan Publishers

The clearest difference is iOS requirement: IGP Reader at 11.0 against Macmillan Publishers's 17.0. On price, update cadence, ads 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.

IGP Reader ships an update every 2 months, Macmillan Publishers every 5 weeks. The most recent releases landed on October 12, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | IGP Reader | Macmillan Publishers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/macmillan-publishers/id6445850725/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 9 MB | 42 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [VI SERVICES LTD.](https://appshunter.io/developer/1280185685) | [Glassboxx Limited](https://appshunter.io/developer/1547970169) |

## What reviewers say

### IGP Reader

[App page](https://appshunter.io/ios/app/igp-reader/id996288949)

**Features:** macOS Compatibility

**In-app purchases:** none


### Macmillan Publishers

[App page](https://appshunter.io/ios/app/macmillan-publishers/id6445850725)

Access a curated selection of books on your mobile device. This application is currently in a soft-launch phase, requiring an invitation and digital token for access. It's designed for an immersive reading experience anywhere, anytime.

**Highlights:** Exclusive book access, Invitation-based entry, Digital token redemption, Immersive reading experience, Mobile accessibility

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

**In-app purchases:** none


## Frequently asked questions

### Is IGP Reader free?

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

### Is Macmillan Publishers free?

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

### Do IGP Reader or Macmillan Publishers have ads?

Neither IGP Reader nor Macmillan Publishers shows ads.

### Which is updated more often, IGP Reader or Macmillan Publishers?

IGP Reader ships an update every 2 months, and Macmillan Publishers every 5 weeks. Most recently, IGP Reader was updated on October 12, 2026 and Macmillan Publishers on October 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.*