# CEMPRO Lite vs JavaScript Studio Pro

The clearest difference is price: CEMPRO Lite at Free against JavaScript Studio Pro's $12.99. CEMPRO Lite also leads on update cadence (every 2 months vs every 20 months) and ratings volume (4 vs 1). JavaScript Studio Pro's advantage is rating (5.0 vs 3.8). On ads, in-app purchases and device support there is nothing between them.

CEMPRO Lite is free to download; JavaScript Studio Pro costs $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

JavaScript Studio Pro holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

CEMPRO Lite ships an update every 2 months, JavaScript Studio Pro every 20 months. The most recent releases landed on June 5, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | CEMPRO Lite | JavaScript Studio Pro |
| --- | --- | --- |
| Price | **Free** | $12.99 |
| Rating | [3.8 (4 ratings)](https://appshunter.io/ios/app/cempro-lite/id1116681742/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/javascript-studio-pro/id1533537039/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 20 months |
| Monetization | **Free** | Paid |
| Size | 12 MB | 33 MB |
| Requires iOS | **7.0** | 10.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pegasus Vertex, Inc.](https://appshunter.io/developer/954796003) | [Arrowat LLC](https://appshunter.io/developer/1358562640) |

## What reviewers say

### CEMPRO Lite

[App page](https://appshunter.io/ios/app/cempro-lite/id1116681742)

This app simplifies complex wellbore calculations for cementing jobs. It allows users to quickly and accurately determine slurry volumes and visualize wellbore schematics with fluids. The tool helps create realistic casing strings and understand cementing processes more effectively.

**Highlights:** Slurry volume calculations, Wellbore schematic visualization, Realistic casing/working string creation, Fluid location and pumping volume specification, Handles up to 10 pipe sections, Supports up to 10 circulating fluids

**Features:** macOS Compatibility

**In-app purchases:** none


### JavaScript Studio Pro

[App page](https://appshunter.io/ios/app/javascript-studio-pro/id1533537039)

Develop web applications on your mobile device using JavaScript, CSS, and HTML. This tool offers error checking assistance as you code, ensuring you don't lose track of your ideas. Create and save your projects anywhere, anytime.

**Highlights:** Write JavaScript, CSS, HTML code, Create web applications, Error checking assistance, Save code and ideas, Mobile development environment

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CEMPRO Lite free?

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

### Is JavaScript Studio Pro free?

JavaScript Studio Pro costs $12.99, with no in-app purchases.

### Which has better reviews, CEMPRO Lite or JavaScript Studio Pro?

JavaScript Studio Pro is rated higher. CEMPRO Lite averages 3.8 out of 5 from 4 ratings, while JavaScript Studio Pro averages 5.0 from 1 ratings.

### Do CEMPRO Lite or JavaScript Studio Pro have ads?

Neither CEMPRO Lite nor JavaScript Studio Pro shows ads.

### Which is updated more often, CEMPRO Lite or JavaScript Studio Pro?

CEMPRO Lite ships an update every 2 months, and JavaScript Studio Pro every 20 months. Most recently, CEMPRO Lite was updated on June 5, 2026 and JavaScript Studio Pro on September 29, 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.*