# Chemistry Widget vs LLM Master

The clearest difference is price: Chemistry Widget at $0.99 against LLM Master's $22.99. Chemistry Widget also leads on in-app purchases (none vs 4). LLM Master's advantage is device support (4 vs 2) and iOS requirement (15.0 vs 18.4). On update cadence and ads there is nothing between them.

Chemistry Widget costs $0.99 and LLM Master $22.99 up front. LLM Master sells 4 one-off in-app purchases. Chemistry Widget asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 20, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Chemistry Widget | LLM Master |
| --- | --- | --- |
| Price | **$0.99** | $22.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chemistry-widget/id6746058742/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Paid | — |
| Size | 5 MB | 6 MB |
| Requires iOS | 18.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Cecile Lebleu](https://appshunter.io/developer/1701666740) | [Resonance Space](https://appshunter.io/developer/1582458978) |

## What reviewers say

### Chemistry Widget

[App page](https://appshunter.io/ios/app/chemistry-widget/id6746058742)

Explore detailed profiles of every element on the periodic table, including their origins, uses, and scientific properties. This app offers interactive Home Screen widgets to discover new elements daily, making science accessible for students and enthusiasts.

**Highlights:** Detailed element profiles, Origins and etymology, Main uses and facts, Home Screen widgets, Filter by properties (radioactive, toxic), Filter by group block

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

**In-app purchases:** none


### LLM Master

[App page](https://appshunter.io/ios/app/llm-master/id6769785318)

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Code Deep Dive | Free | one-time |
| Tutor Mini Pack | $2.99 | one-time |
| Tutor Standard Pack | $5.99 | one-time |
| Tutor Power Pack | $17.99 | one-time |


## Frequently asked questions

### Is Chemistry Widget free?

Chemistry Widget costs $0.99, with no in-app purchases.

### Is LLM Master free?

LLM Master costs $22.99, and also offers in-app purchases.

### Do Chemistry Widget or LLM Master have ads?

Neither Chemistry Widget nor LLM Master shows ads.

### Which is updated more often, Chemistry Widget or LLM Master?

Chemistry Widget ships an update every 3 weeks, and LLM Master every 3 weeks. Most recently, Chemistry Widget was updated on September 20, 2026 and LLM Master on September 14, 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.*