# Synapse vs Polly

The clearest difference is in-app purchases: Synapse at none against Polly's 2. Synapse also leads on update cadence (every 3 days vs weekly) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Polly sells 2 one-off in-app purchases. Synapse asks for nothing beyond the download.

Synapse ships an update every 3 days, Polly weekly. The most recent releases landed on September 14, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Synapse | Polly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/synapse-language-learning/id6753658560/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Weekly |
| Monetization | Free | — |
| Size | 182 MB | 29 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [The Synaptic Learning Company LLC](https://appshunter.io/developer/6787863395) | [Peter Minwegen](https://appshunter.io/developer/1536238559) |

## What reviewers say

### Synapse

[App page](https://appshunter.io/ios/app/synapse-language-learning/id6753658560)

This app focuses on language learning through sound and memory, using immersive stories and ear training exercises. It offers visual grammar guides, camera-based flashcards, and collaborative learning features. Learn 26 languages with a science-backed approach.

**Highlights:** Immersive story podcasts, Science-based ear training, Camera-powered flashcards, Visual grammar tables, Collaborative sentence practice, Alphabet courses from zero

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

**In-app purchases:** none


### Polly

[App page](https://appshunter.io/ios/app/polly-language-learning-games/id6758331734)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Polly Pro (Welcome Offer) | $9.99 | one-time |
| Polly Pro (Lifetime) | $19.99 | one-time |


## Frequently asked questions

### Is Synapse free?

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

### Is Polly free?

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

### Do Synapse or Polly have ads?

Neither Synapse nor Polly shows ads.

### Which is updated more often, Synapse or Polly?

Synapse ships an update every 3 days, and Polly weekly. Most recently, Synapse was updated on September 14, 2026 and Polly on September 9, 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.*