# Software Engineers Pros U vs flex

Software Engineers Pros U and flex are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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.

## The numbers

| Metric | Software Engineers Pros U | flex |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 5 days |
| Size | 5 MB | 18 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Emily Sudduth](https://appshunter.io/developer/1721274803) | [Guilherme Ferraz](https://appshunter.io/developer/1623504048) |

## What reviewers say

### Software Engineers Pros U

[App page](https://appshunter.io/ios/app/software-engineers-pros-u/id6477801546)

**In-app purchases:** none


### flex

[App page](https://appshunter.io/ios/app/flex-1-learn-tailwind/id6742805433)

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

**In-app purchases:** none


## Frequently asked questions

### Is Software Engineers Pros U free?

Software Engineers Pros U is free to download, with no in-app purchases.

### Is flex free?

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

### Do Software Engineers Pros U or flex have ads?

Neither Software Engineers Pros U nor flex shows ads.

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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.*