# Polidict vs EchoLing

The clearest difference is review sentiment: EchoLing at 100% against Polidict's 0%. EchoLing also leads on in-app purchases (none vs 2) and update cadence (every 2 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Polidict sells 2 in-app purchases, starting at $2.99 per month. EchoLing asks for nothing beyond the download.

Polidict ships an update every 3 weeks, EchoLing every 2 days. The most recent releases landed on October 8, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Polidict | EchoLing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/polidict/id6758307938/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 88 MB | 32 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [Maksym Solomkin](https://appshunter.io/developer/1872101092) | [Xinyu Zhu](https://appshunter.io/developer/1895481236) |

## What reviewers say

### Polidict

[App page](https://appshunter.io/ios/app/polidict/id6758307938)

This app helps serious language learners build a practical vocabulary by collecting, understanding, and practicing words in context. It offers various training methods like flashcards and quizzes, and allows saving words from reading or browsing. An optional subscription unlocks advanced features and AI suggestions.

**Highlights:** Collect and organize vocabulary, Review with flashcards and quizzes, Practice listening and pronunciation, Track progress across skills, Spaced repetition scheduling, Save words via share menu, Browser extension for vocabulary lookup

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Polidict Plus Monthly | $2.99 | per month |
| Polidict Plus Yearly | $25.99 | per year |


### EchoLing

[App page](https://appshunter.io/ios/app/echoling-sentence-notebook/id6763769304)

This app helps you learn English by collecting expressions you encounter daily. It uses AI to create flashcards with engaging questions, perfect for quick reviews in your spare time. Learn naturally through low-pressure, continuous exposure without traditional memorization.

**Highlights:** AI-generated question cards, Widget and card reviews, Spaced repetition learning, Low-pressure learning environment, Collects real-life expressions, Builds long-term memory

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

**In-app purchases:** none


## Frequently asked questions

### Is Polidict free?

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

### Is EchoLing free?

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

### Do Polidict or EchoLing have ads?

Neither Polidict nor EchoLing shows ads.

### Which is updated more often, Polidict or EchoLing?

Polidict ships an update every 3 weeks, and EchoLing every 2 days. Most recently, Polidict was updated on October 8, 2026 and EchoLing on October 19, 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.*