# E vs IPDuo

The clearest difference is update cadence: IPDuo at every 2 weeks against E's every 5 months. E's advantage is iOS requirement (13.0 vs 15.6). 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.

E ships an update every 5 months, IPDuo every 2 weeks. The most recent releases landed on November 4, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | E | IPDuo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 139 MB | 142 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Eddid Securities and Futures Limited](https://appshunter.io/developer/1274906092) | [杭州微易信息科技有限公司](https://appshunter.io/developer/981360163) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-research/id6474172933)

This app provides in-depth market analysis, company research, and investment strategy advice for global investors. Access professional reports in Chinese and English covering stocks, futures, and macroeconomics to make informed financial decisions.

**Highlights:** In-depth market analysis, Company research reports, Investment strategy advice, Futures and derivatives evaluation, Historical analysis reference, Bilingual reports (Chinese/English)

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

**In-app purchases:** none


### IPDuo

[App page](https://appshunter.io/ios/app/ipduo/id6810620292)

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

**In-app purchases:** none


## Frequently asked questions

### Is E free?

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

### Is IPDuo free?

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

### Do E or IPDuo have ads?

Neither E nor IPDuo shows ads.

### Which is updated more often, E or IPDuo?

E ships an update every 5 months, and IPDuo every 2 weeks. Most recently, E was updated on November 4, 2026 and IPDuo on November 6, 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.*