# DI9FLOW vs Frontier Drone

The clearest difference is iOS requirement: Frontier Drone at 11.0 against DI9FLOW's 15.6. 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.

DI9FLOW ships an update monthly, Frontier Drone every 3 weeks. The most recent releases landed on October 23, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | DI9FLOW | Frontier Drone |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 14 MB | 124 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [芝青 蔡](https://appshunter.io/developer/1326079618) | [军年 陈](https://appshunter.io/developer/1309410176) |

## What reviewers say

### DI9FLOW

[App page](https://appshunter.io/ios/app/di9flow/id1352779642)

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

**In-app purchases:** none


### Frontier Drone

[App page](https://appshunter.io/ios/app/frontier-drone/id1568238431)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DI9FLOW free?

DI9FLOW is free to download, with no in-app purchases.

### Is Frontier Drone free?

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

### Do DI9FLOW or Frontier Drone have ads?

Neither DI9FLOW nor Frontier Drone shows ads.

### Which is updated more often, DI9FLOW or Frontier Drone?

DI9FLOW ships an update monthly, and Frontier Drone every 3 weeks. Most recently, DI9FLOW was updated on October 23, 2026 and Frontier Drone on September 14, 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.*