# Code Splenda vs flex

The clearest difference is in-app purchases: flex at none against Code Splenda's 1. flex also leads on iOS requirement (15.1 vs 17.0). Code Splenda's advantage is update cadence (every 2 days vs every 5 days). On price, ads and device support there is nothing between them.

Both are free to download. Code Splenda sells 1 one-off in-app purchase. flex asks for nothing beyond the download.

Code Splenda ships an update every 2 days, flex every 5 days. The most recent releases landed on June 8, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Code Splenda | flex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/code-splenda-static-web-ide/id6741158323/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 days |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 18 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Winter Bagley](https://appshunter.io/developer/1513642337) | [Guilherme Ferraz](https://appshunter.io/developer/1623504048) |

## What reviewers say

### Code Splenda

[App page](https://appshunter.io/ios/app/code-splenda-static-web-ide/id6741158323)

A mobile text editor for static web development, allowing users to create and preview HTML, CSS, and JavaScript projects on the go. Build and test websites directly from your device before sharing them.

**Highlights:** Static web code editing (HTML, CSS, JS), In-app web view for previewing, On-the-go website creation, Simple and easy to use interface, Code and test websites

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Code Splenda | $1.99 | one-time |


### 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 Code Splenda free?

Code Splenda is free to download, with in-app purchases available.

### Is flex free?

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

### Do Code Splenda or flex have ads?

Neither Code Splenda nor flex shows ads.

### Which is updated more often, Code Splenda or flex?

Code Splenda ships an update every 2 days, and flex every 5 days. Most recently, Code Splenda was updated on June 8, 2026 and flex on September 22, 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.*