# Drone Expo vs E3 Factory

The clearest difference is update cadence: E3 Factory at monthly against Drone Expo's every 8 months. E3 Factory also leads on iOS requirement (12.0 vs 14.0). 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.

Drone Expo ships an update every 8 months, E3 Factory monthly. Both last shipped on October 7, 2026.

## The numbers

| Metric | Drone Expo | E3 Factory |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Monthly** |
| Size | 3 MB | 53 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Services International](https://appshunter.io/developer/1689007809) | [Avinash Sisode](https://appshunter.io/developer/1809361461) |

## What reviewers say

### Drone Expo

[App page](https://appshunter.io/ios/app/drone-expo/id6463078814)

**In-app purchases:** none


### E3 Factory

[App page](https://appshunter.io/ios/app/e3-factory/id6744820038)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Drone Expo free?

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

### Is E3 Factory free?

E3 Factory is free to download, with no in-app purchases.

### Do Drone Expo or E3 Factory have ads?

Neither Drone Expo nor E3 Factory shows ads.

### Which is updated more often, Drone Expo or E3 Factory?

Drone Expo ships an update every 8 months, and E3 Factory monthly. Most recently, Drone Expo was updated on October 7, 2026 and E3 Factory on October 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*