# Model ChemLab Lite for iPad vs OPENskill

The clearest difference is device support: OPENskill at 3 against Model ChemLab Lite for iPad's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 12, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Model ChemLab Lite for iPad | OPENskill |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | — |
| Size | 6 MB | 33 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Model Science Software Inc.](https://appshunter.io/developer/1505551537) | [SiamSquared Technologies (Thailand) Co., Ltd.](https://appshunter.io/developer/333207356) |

## What reviewers say

### 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


### OPENskill

[App page](https://appshunter.io/ios/app/openskill/id6752234032)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Model ChemLab Lite for iPad free?

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

### Is OPENskill free?

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

### Do Model ChemLab Lite for iPad or OPENskill have ads?

Neither Model ChemLab Lite for iPad nor OPENskill shows ads.

### Which is updated more often, Model ChemLab Lite for iPad or OPENskill?

Model ChemLab Lite for iPad ships an update every 3 weeks, and OPENskill every 3 weeks. Most recently, Model ChemLab Lite for iPad was updated on September 12, 2026 and OPENskill on October 11, 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.*