# OEC Explorer vs IG History

The clearest difference is iOS requirement: OEC Explorer at 13.0 against IG History's 17.6. 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.

OEC Explorer ships an update every 2 months, IG History monthly. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | OEC Explorer | IG History |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ig-history/id6741053306/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Free |
| Size | 198 MB | 17 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [广东柏高保设备工程有限公司](https://appshunter.io/developer/1485674389) | [厦门吸铁石教育科技有限公司](https://appshunter.io/developer/1789033623) |

## What reviewers say

### OEC Explorer

[App page](https://appshunter.io/ios/app/oec-explorer/id1485674390)

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

**In-app purchases:** none


### IG History

[App page](https://appshunter.io/ios/app/ig-history/id6741053306)

Prepare for the Cambridge IGCSE History exam with comprehensive revision notes and practice questions. Covers key units like "Twentieth Century: International Relations since 1919" and "Russia, 1905–41". Enhance your understanding and confidence for exam success.

**Highlights:** Comprehensive revision notes, Exam-style practice questions, Covers core and depth study units, Aligns with Cambridge IGCSE syllabus, Structured and concise content, Boosts exam confidence

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OEC Explorer free?

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

### Is IG History free?

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

### Do OEC Explorer or IG History have ads?

Neither OEC Explorer nor IG History shows ads.

### Which is updated more often, OEC Explorer or IG History?

OEC Explorer ships an update every 2 months, and IG History monthly. Most recently, OEC Explorer was updated on October 29, 2026 and IG History 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.*