# Little Quantum App vs Q

The clearest difference is in-app purchases: Little Quantum App at none against Q's 3. Little Quantum App also leads on iOS requirement (15.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Q sells 3 in-app purchases, starting at $9.99 per month. Little Quantum App asks for nothing beyond the download.

Little Quantum App ships an update every 2 weeks, Q every 3 weeks. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Little Quantum App | Q |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 169 MB | 8 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Ludwig-Maximilians-Universitaet Muenchen](https://appshunter.io/developer/1634377997) | [EUNMIN PARK](https://appshunter.io/developer/1549813078) |

## What reviewers say

### Little Quantum App

[App page](https://appshunter.io/ios/app/little-quantum-app/id6752292817)

**In-app purchases:** none


### Q

[App page](https://appshunter.io/ios/app/q-alpha/id6760243993)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Q-Alpha Pro (Monthly) | $9.99 | per month |
| Q-Alpha Pro (Yearly) | $59.99 | per year |
| Q-Alpha Learner Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Little Quantum App free?

Little Quantum App is free to download, with no in-app purchases.

### Is Q free?

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

### Do Little Quantum App or Q have ads?

Neither Little Quantum App nor Q shows ads.

### Which is updated more often, Little Quantum App or Q?

Little Quantum App ships an update every 2 weeks, and Q every 3 weeks. Most recently, Little Quantum App was updated on October 30, 2026 and Q on November 5, 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.*