# PD vs A.I.Lingo

The clearest difference is in-app purchases: A.I.Lingo at none against PD's 3. A.I.Lingo also leads on ads (none vs shown). PD's advantage is iOS requirement (10.0 vs 13.0). On price and device support there is nothing between them.

Both are free to download. PD sells 3 one-off in-app purchases. A.I.Lingo asks for nothing beyond the download.

## The numbers

| Metric | PD | A.I.Lingo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (22 ratings)](https://appshunter.io/ios/app/pd-eyes/id1495662925/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | — | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 131 MB | 83 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Peter Dubrule](https://appshunter.io/developer/1495662924) | [AILingo Inc.](https://appshunter.io/developer/1685528301) |

## What reviewers say

### PD

[App page](https://appshunter.io/ios/app/pd-eyes/id1495662925)

This app helps students and professionals improve public speaking by practicing eye contact. It simulates an audience that reacts to your engagement, guiding you to connect visually and build confidence.

**Highlights:** Simulated audience interaction, Eye contact practice, Confidence building, Anxiety reduction, Audience engagement training

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 20 Coins | $0.99 | one-time |
| 75 Coins | $1.99 | one-time |
| 100 Coins | $2.99 | one-time |


### A.I.Lingo

[App page](https://appshunter.io/ios/app/ailingo/id6449409548)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PD free?

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

### Is A.I.Lingo free?

A.I.Lingo is free to download, with no in-app purchases.

### Do PD or A.I.Lingo have ads?

PD shows ads; A.I.Lingo does not.

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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.*