# BioFlash vs LLM Master

The clearest difference is price: BioFlash at Free against LLM Master's $22.99. LLM Master's advantage is update cadence (fortnightly vs every 7 months) and device support (4 vs 2). On ads, in-app purchases and iOS requirement there is nothing between them.

BioFlash is free to download; LLM Master costs $22.99 up front. BioFlash sells 1 in-app purchase, starting at $9.99 per year and LLM Master sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

BioFlash ships an update every 7 months, LLM Master fortnightly. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | BioFlash | LLM Master |
| --- | --- | --- |
| Price | **Free** | $22.99 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Fortnightly** |
| Size | 44 MB | 6 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 9+ | 4+ |
| Developer | [Gentiana Etemi](https://appshunter.io/developer/1883027493) | [Resonance Space](https://appshunter.io/developer/1582458978) |

## What reviewers say

### BioFlash

[App page](https://appshunter.io/ios/app/bioflash-glossary/id6760253478)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BioFlash Premium | $9.99 | per year |


### 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 BioFlash free?

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

### Is LLM Master free?

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

### Do BioFlash or LLM Master have ads?

Neither BioFlash nor LLM Master shows ads.

### Which is updated more often, BioFlash or LLM Master?

BioFlash ships an update every 7 months, and LLM Master fortnightly. Most recently, BioFlash was updated on October 28, 2026 and LLM Master on October 25, 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.*