# Trace & Share vs Inference Ace

The clearest difference is review sentiment: Inference Ace at 89% against Trace & Share's 33%. Inference Ace also leads on rating (3.5 vs 3.0) and update cadence (every 7 months vs every 15 months). Trace & Share's advantage is in-app purchases (none vs 3). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Inference Ace sells 3 one-off in-app purchases. Trace & Share asks for nothing beyond the download.

Inference Ace holds the better App Store score, 3.5 against 3.0. Both are backed by a comparable volume of ratings — 5 and 22 respectively. Written reviews point the same way: 33% of Trace & Share's written reviews are positive against 89% of Inference Ace's.

Trace & Share ships an update every 15 months, Inference Ace every 7 months. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Trace & Share | Inference Ace |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (5 ratings)](https://appshunter.io/ios/app/trace-and-share/id568839447/reviews) | **[3.5 (22 ratings)](https://appshunter.io/ios/app/inference-ace/id866920724/reviews)** |
| Number of ratings | 5 | **22** |
| Positive reviews | 33.3% of reviews | **88.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 7 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 106 MB | 22 MB |
| Requires iOS | 13.0 | **12.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [True Digital Group Co., Ltd.](https://appshunter.io/developer/1376509229) | [Janine Toole](https://appshunter.io/developer/839832427) |

## What reviewers say

### Trace & Share

[App page](https://appshunter.io/ios/app/trace-and-share/id568839447)

This educational app helps young children, particularly those with autism, develop fine motor and social skills through engaging tracing activities and interactive storytelling. It aims to improve concentration, tracing abilities, and the crucial concepts of taking turns and sharing.

**Highlights:** Fine motor skill development, Social skill enhancement, Interactive tracing activities, Fantasy story integration, Turn-taking and sharing lessons, Customized learning solution

**Features:** Vision Pro support

**In-app purchases:** none


### 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 Trace & Share free?

Trace & Share is free to download, with no in-app purchases.

### Is Inference Ace free?

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

### Which has better reviews, Trace & Share or Inference Ace?

Inference Ace is rated higher. Trace & Share averages 3.0 out of 5 from 5 ratings, while Inference Ace averages 3.5 from 22 ratings.

### Do Trace & Share or Inference Ace have ads?

Neither Trace & Share nor Inference Ace shows ads.

### Which is updated more often, Trace & Share or Inference Ace?

Trace & Share ships an update every 15 months, and Inference Ace every 7 months. Most recently, Trace & Share was updated on November 1, 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.*