# Acid Base pH vs Model ChemLab Lite for iPad

The clearest difference is price: Model ChemLab Lite for iPad at Free against Acid Base pH's $3.99. Model ChemLab Lite for iPad also leads on update cadence (every 3 weeks vs every 3 months) and iOS requirement (14.0 vs 17.1). On review sentiment, ads, in-app purchases and device support there is nothing between them.

Model ChemLab Lite for iPad is free to download; Acid Base pH costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Acid Base pH ships an update every 3 months, Model ChemLab Lite for iPad every 3 weeks. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Acid Base pH | Model ChemLab Lite for iPad |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/acid-base-ph/id977951851/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Size | 2 MB | 6 MB |
| Requires iOS | 17.1 | **14.0** |
| Devices | **iPhone, iPad** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Roman Volinsky](https://appshunter.io/developer/977951850) | [Model Science Software Inc.](https://appshunter.io/developer/1505551537) |

## What reviewers say

### Acid Base pH

[App page](https://appshunter.io/ios/app/acid-base-ph/id977951851)

Accurately estimate pH values for acid-base aqueous systems. Calculate pH for weak and strong acids/bases, plot titration curves, and find equivalent points. Export data and find titrant volumes for desired pH.

**Highlights:** Estimate pH of acid-base solutions, Plot titration curves, Find pH and titrant volume at equivalent points, Export titration plots as image or data, Calculate titrant volume for desired pH, Includes list of common indicators

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

**In-app purchases:** none


### Model ChemLab Lite for iPad

[App page](https://appshunter.io/ios/app/model-chemlab-lite-for-ipad/id1564190767)

This interactive chemistry lab simulation allows users to perform virtual experiments with detailed procedures and observation recording. It's ideal for distance learning, pre-lab preparation, or simulating hazardous experiments.

**Highlights:** Interactive lab simulations, Digital lab notebook, Detailed experiment procedures, Animated equipment interaction, Simulates common lab equipment, Ideal for distance learning

**In-app purchases:** none


## Frequently asked questions

### Is Acid Base pH free?

Acid Base pH costs $3.99, with no in-app purchases.

### Is Model ChemLab Lite for iPad free?

Model ChemLab Lite for iPad is free to download, with no in-app purchases.

### Do Acid Base pH or Model ChemLab Lite for iPad have ads?

Neither Acid Base pH nor Model ChemLab Lite for iPad shows ads.

### Which is updated more often, Acid Base pH or Model ChemLab Lite for iPad?

Acid Base pH ships an update every 3 months, and Model ChemLab Lite for iPad every 3 weeks. Most recently, Acid Base pH was updated on October 24, 2026 and Model ChemLab Lite for iPad on October 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*