# Uni vs Problem Size

The clearest difference is in-app purchases: Problem Size at none against Uni's 1. Uni's advantage is iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Uni sells 1 one-off in-app purchase. Problem Size asks for nothing beyond the download.

## The numbers

| Metric | Uni | Problem Size |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/uni-voz-talk-with-me/id6772622643/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 63 MB | 394 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Uni-Voz Speech and Language, LLC](https://appshunter.io/developer/6772546298) | [Sherry Chen](https://appshunter.io/developer/6793290593) |

## What reviewers say

### Uni

[App page](https://appshunter.io/ios/app/uni-voz-talk-with-me/id6772622643)

This child-friendly app helps young children develop communication skills through interactive speech and language activities. It supports early vocabulary, speech practice, listening, and beginner sign language with real-life images and parent-friendly guidance.

**Highlights:** Interactive speech and language activities, Beginner sign language support, Vocabulary categories, Real-life images and action learning, Sound and listening support, Parent-friendly educational design

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Categories | $4.99 | one-time |


### Problem Size

[App page](https://appshunter.io/ios/app/problem-size/id6793290591)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Uni free?

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

### Is Problem Size free?

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

### Do Uni or Problem Size have ads?

Neither Uni nor Problem Size shows ads.

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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.*