# Welborn vs NOT Fly

The clearest difference is update cadence: NOT Fly at fortnightly against Welborn's every 13 months. 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.

Welborn ships an update every 13 months, NOT Fly fortnightly. The most recent releases landed on October 8, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Welborn | NOT Fly |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Fortnightly** |
| Size | 48 MB | 163 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Welborn Industries Private Limited](https://appshunter.io/developer/1758273117) | [ELECTROBOTIC MANUFACTURING PRIVATE LIMITED](https://appshunter.io/developer/1791053187) |

## What reviewers say

### Welborn

[App page](https://appshunter.io/ios/app/welborn/id6736974385)

**Features:** macOS Compatibility

**In-app purchases:** none


### NOT Fly

[App page](https://appshunter.io/ios/app/not-fly/id6739556297)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Welborn free?

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

### Is NOT Fly free?

NOT Fly is free to download, with no in-app purchases.

### Do Welborn or NOT Fly have ads?

Neither Welborn nor NOT Fly shows ads.

### Which is updated more often, Welborn or NOT Fly?

Welborn ships an update every 13 months, and NOT Fly fortnightly. Most recently, Welborn was updated on October 8, 2026 and NOT Fly on October 10, 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.*