# Stroop Effect vs Proloquo

The clearest difference is in-app purchases: Stroop Effect at none against Proloquo's 6. Stroop Effect also leads on iOS requirement (11.0 vs 18.0). Proloquo's advantage is update cadence (every 6 weeks vs every 10 months). On price, ads and device support there is nothing between them.

Both are free to download. Proloquo sells 6 in-app purchases, starting at $9.99 per month. Stroop Effect asks for nothing beyond the download.

Stroop Effect ships an update every 10 months, Proloquo every 6 weeks. The most recent releases landed on September 20, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Stroop Effect | Proloquo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.9 (143 ratings)](https://appshunter.io/ios/app/proloquo/id1521978238/reviews)** |
| Number of ratings | — | **143** |
| Positive reviews | — | 48.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 6 weeks** |
| Monetization | — | Subscription |
| Size | 58 MB | 503 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Michal Mandrysz](https://appshunter.io/developer/454758944) | [AssistiveWare](https://appshunter.io/developer/308368167) |

## What reviewers say

### Stroop Effect

[App page](https://appshunter.io/ios/app/stroop-effect-tot/id1443395928)

**Features:** macOS Compatibility

**In-app purchases:** none


### Proloquo

[App page](https://appshunter.io/ios/app/proloquo/id1521978238)

This app provides an intuitive and efficient Augmentative and Alternative Communication (AAC) solution for users of all ages. It facilitates language development and effective communication with features like quick access to words, a search function, and a unique Thinking Space for early communicators. It also offers a full keyboard with word prediction and expert guidance through an accompanying coach.

**Highlights:** Intuitive and easy-to-use interface, Quick access to frequently used words, Search function for effortless word finding, Focus Mode™ for targeted word emphasis, Thinking Space™ for early communicators (iPad only), Extensive vocabulary with Related Words™, Full keyboard with word prediction, Proloquo Coach for expert guidance

**Features:** Family Sharing

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $9.99 | per month |
| Monthly Subscription | $9.99 | per month |
| Monthly Subscription | $9.99 | per month |
| Yearly Subscription | $99.99 | per year |
| Yearly Subscription | $99.99 | per year |
| Yearly Subscription | $99.99 | per year |


## Frequently asked questions

### Is Stroop Effect free?

Stroop Effect is free to download, with no in-app purchases.

### Is Proloquo free?

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

### Do Stroop Effect or Proloquo have ads?

Neither Stroop Effect nor Proloquo shows ads.

### Which is updated more often, Stroop Effect or Proloquo?

Stroop Effect ships an update every 10 months, and Proloquo every 6 weeks. Most recently, Stroop Effect was updated on September 20, 2026 and Proloquo on September 29, 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.*