# Multiply Fun vs LockStudy

The clearest difference is ads: LockStudy at none against Multiply Fun's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Multiply Fun sells 1 one-off in-app purchase and LockStudy sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Multiply Fun ships an update every 2 weeks, LockStudy monthly. Both last shipped on September 23, 2026.

## The numbers

| Metric | Multiply Fun | LockStudy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/multiply-fun-19x19-lite/id6738623083/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 8 MB |
| Requires iOS | **16.6** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mr.Darcy](https://appshunter.io/developer/377347580) | [Glanz Studio](https://appshunter.io/developer/1785357972) |

## What reviewers say

### Multiply Fun

[App page](https://appshunter.io/ios/app/multiply-fun-19x19-lite/id6738623083)

This app makes learning multiplication tables up to 19x19 engaging through visual geometry. It uses arrays and area models to help users understand number combinations rather than just memorizing. Interactive practice and challenges build skills and confidence for learners of all ages.

**Highlights:** Geometry-powered multiplication learning, Visualize products as areas, Interactive practice with instant feedback, Activity-based challenges, Supports multiplication up to 19x19

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### LockStudy

[App page](https://appshunter.io/ios/app/lockstudy-built-for-focus/id6756006023)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LockStudy Pro Monthly | $1.99 | per month |
| LockStudy Pro Lifetime | $22.99 | one-time |


## Frequently asked questions

### Is Multiply Fun free?

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

### Is LockStudy free?

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

### Do Multiply Fun or LockStudy have ads?

Multiply Fun shows ads; LockStudy does not.

### Which is updated more often, Multiply Fun or LockStudy?

Multiply Fun ships an update every 2 weeks, and LockStudy monthly. Most recently, Multiply Fun was updated on September 23, 2026 and LockStudy on September 23, 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.*