# DI9FLOW vs FLY

DI9FLOW and FLY are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 23, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | DI9FLOW | FLY |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Size | 14 MB | 87 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [芝青 蔡](https://appshunter.io/developer/1326079618) | [荣军 杨](https://appshunter.io/developer/1494250848) |

## What reviewers say

### DI9FLOW

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

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

**In-app purchases:** none


### FLY

[App page](https://appshunter.io/ios/app/fly-sky-cam/id6786584511)

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

**In-app purchases:** none


## Frequently asked questions

### Is DI9FLOW free?

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

### Is FLY free?

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

### Do DI9FLOW or FLY have ads?

Neither DI9FLOW nor FLY shows ads.

### Which is updated more often, DI9FLOW or FLY?

DI9FLOW ships an update monthly, and FLY monthly. Most recently, DI9FLOW was updated on October 23, 2026 and FLY on October 31, 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.*