# Idioms vs Inference Ace

Idioms and Inference Ace both sit at 3.5 stars, but that hides the real split: 89% of Inference Ace's written reviews are positive against 40% of Idioms's. Inference Ace also leads on iOS requirement (12.2 vs 15.0). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Idioms sells 1 one-off in-app purchase and Inference Ace sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 3.5 for Idioms against 3.5 for Inference Ace. Both are backed by a comparable volume of ratings — 8 and 22 respectively. Written reviews are what separate them: 40% of Idioms's written reviews are positive against 89% of Inference Ace's.

Idioms ships an update every 5 months, Inference Ace every 7 months. The most recent releases landed on November 9, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Idioms | Inference Ace |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (8 ratings)](https://appshunter.io/ios/app/idioms-express-like-a-native/id339391993/reviews) | **[3.5 (22 ratings)](https://appshunter.io/ios/app/inference-ace/id866920724/reviews)** |
| Number of ratings | 8 | **22** |
| Positive reviews | 40.0% of reviews | **88.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 7 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 12 MB | 22 MB |
| Requires iOS | 15.0 | **12.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Webrich Software Limited](https://appshunter.io/developer/290203591) | [Janine Toole](https://appshunter.io/developer/839832427) |

## What reviewers say

### Idioms

[App page](https://appshunter.io/ios/app/idioms-express-like-a-native/id339391993)

Enhance your English with over 700 multiple-choice questions and definitions of common idioms. Practice by topic or take random mock tests to improve your understanding and usage of native expressions. Track your progress with detailed results and a visual meter.

**Highlights:** 700+ multiple-choice idiom questions, 600+ idiom definitions and examples, Study idioms by topic, Random mock test mode, Detailed test results and progress tracking, Customizable timer settings, Shake to skip questions

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Question Bank | $2.99 | one-time |


### Inference Ace

[App page](https://appshunter.io/ios/app/inference-ace/id866920724)

This app helps children in grades 2-5 improve their reading comprehension by teaching inference skills step-by-step. It uses a game-like environment with over 450 examples and a reward center to keep kids engaged. Detailed reporting is available for up to 10 students.

**Highlights:** Step-by-step inference skill building, Game-like environment with reward center, Over 450 examples designed by teachers, Detailed reporting for multiple students, Incremental learning with unlocked levels, Guided learning for reduced frustration

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to 2 Players | $1.99 | one-time |
| Inference Ace: Buy All Levels | $2.99 | one-time |
| Upgrade to 10 Players | $2.99 | one-time |


## Frequently asked questions

### Is Idioms free?

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

### Is Inference Ace free?

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

### Which has better reviews, Idioms or Inference Ace?

Inference Ace is rated higher. Idioms averages 3.5 out of 5 from 8 ratings, while Inference Ace averages 3.5 from 22 ratings.

### Do Idioms or Inference Ace have ads?

Neither Idioms nor Inference Ace shows ads.

### Which is updated more often, Idioms or Inference Ace?

Idioms ships an update every 5 months, and Inference Ace every 7 months. Most recently, Idioms was updated on November 9, 2026 and Inference Ace on November 6, 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.*