# OPEC vs Energy Intelligence

The clearest difference is monetization model: OPEC at free against Energy Intelligence's subscription. Energy Intelligence's advantage is update cadence (every 6 weeks vs every 39 months). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for OPEC against 5.0 for Energy Intelligence. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

OPEC ships an update every 39 months, Energy Intelligence every 6 weeks. The most recent releases landed on October 2, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | OPEC | Energy Intelligence |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/opec/id6449494383/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/energy-intelligence/id6741806345/reviews) |
| Number of ratings | 2 | 2 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 6 weeks** |
| Monetization | **Free** | Subscription |
| Size | 335 MB | 43 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OPEC](https://appshunter.io/developer/1170047215) | [Energy Intelligence Group, Inc](https://appshunter.io/developer/465050745) |

## What reviewers say

### OPEC

[App page](https://appshunter.io/ios/app/opec/id6449494383)

Access global oil and energy market data through an interactive platform. Explore flagship publications, dynamic charts, and historical data to understand market trends.

**Highlights:** Flagship publication library, Interactive charts and tables, Historical data archive, Global energy market insights, Dynamic data visualization

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

**In-app purchases:** none


### Energy Intelligence

[App page](https://appshunter.io/ios/app/energy-intelligence/id6741806345)

Access premium energy news, in-depth analysis, and market intelligence covering oil, gas, alternative energy, and geopolitics. Save articles for offline reading and receive instant alerts on critical developments.

**Highlights:** Real-time energy news and analysis, Extensive research reports library, Offline article saving, Push notifications for breaking news, Personalized content experience

**In-app purchases:** none


## Frequently asked questions

### Is OPEC free?

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

### Is Energy Intelligence free?

Energy Intelligence is free to download, with no in-app purchases.

### Which has better reviews, OPEC or Energy Intelligence?

OPEC and Energy Intelligence are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do OPEC or Energy Intelligence have ads?

Neither OPEC nor Energy Intelligence shows ads.

### Which is updated more often, OPEC or Energy Intelligence?

OPEC ships an update every 39 months, and Energy Intelligence every 6 weeks. Most recently, OPEC was updated on October 2, 2026 and Energy Intelligence on October 3, 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.*