# Third Grade Learning Games vs Inference Ace

The clearest difference is review sentiment: Inference Ace at 100% against Third Grade Learning Games's 51%. Inference Ace also leads on in-app purchases (none vs 7) and rating (4.5 vs 4.3). Third Grade Learning Games's advantage is price (Free vs $8.99) and ratings volume (20K vs 4). On ads, monetization model, device support and iOS requirement there is nothing between them.

Third Grade Learning Games is free to download; Inference Ace costs $8.99 up front. Third Grade Learning Games sells 5 in-app purchases, starting at $5.99 per month. Inference Ace asks for nothing beyond the download.

Inference Ace holds the better App Store score, 4.5 against 4.3. That said, the two scores are not equally well evidenced: Third Grade Learning Games has 20K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 51% of Third Grade Learning Games's written reviews are positive against 100% of Inference Ace's.

Third Grade Learning Games ships an update every 3 months, Inference Ace every 7 months. The most recent releases landed on September 24, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Third Grade Learning Games | Inference Ace |
| --- | --- | --- |
| Price | **Free** | $8.99 |
| Rating | [4.3 (20K ratings)](https://appshunter.io/ios/app/third-grade-learning-games/id644836476/reviews) | **[4.5 (4 ratings)](https://appshunter.io/ios/app/inference-ace/id875998338/reviews)** |
| Number of ratings | **20K** | 4 |
| Positive reviews | 50.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 7 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | — | **#194** |
| Size | 104 MB | 22 MB |
| Requires iOS | **11.0** | 12.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RosiMosi LLC](https://appshunter.io/developer/492117766) | [Janine Toole](https://appshunter.io/developer/839832427) |

## What reviewers say

### Third Grade Learning Games

[App page](https://appshunter.io/ios/app/third-grade-learning-games/id644836476)

This app offers 21 engaging games designed to teach third-grade students essential math, reading, science, and critical thinking skills. Aligned with third-grade curriculums, it uses colorful visuals, voice narration, and fun sound effects to keep children entertained while they learn. Progress reports and customizable lesson plans help track development.

**Highlights:** 21 educational games, Math, reading, science, STEM, Third-grade curriculum alignment, Voice narration and animations, Progress reports, Lesson builder, Multiple user support

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RosiMosi Academy (Monthly) | $5.99 | per month |
| RosiMosi Academy (Monthly) | $5.99 | per month |
| RosiMosi Academy (Yearly) | $39.99 | per year |
| RosiMosi Academy (Yearly) | $39.99 | per year |
| Unlock All Games | $4.99 | one-time |

**What reviewers like**

- 🚀 Helps kids learn effectively
- 👍 Fun and engaging for children
- 📈 Improves academic performance

**What reviewers complain about**

- 🐛 Buggy star/scoring system
- 💰 Excessive paid content
- 🤔 Confusing or unclear instructions

**Reported bugs**

- Incorrect answers sometimes marked as correct
- Sudden introduction of subscription model for existing users
- Disappearing reward stickers and progress indicators

**Requested features**

- Adjust difficulty level for each child
- Unlock more content without payment
- Improve algorithm for awarding stars


### Inference Ace

[App page](https://appshunter.io/ios/app/inference-ace/id875998338)

**Currently charting:** #194 Top Paid · Education (US App Store)

This app helps children in grades 2-5 improve their reading comprehension by teaching inference skills step-by-step. It features over 450 examples, a reward center, and guided learning to make practice engaging and effective.

**Highlights:** Step-by-step inference skill building, Over 450 engaging examples, Fun reward center for motivation, Guided learning for less frustration, Detailed reporting for up to 10 students, Smart Sentence technology for varied examples

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Third Grade Learning Games free?

Third Grade Learning Games is free to download, with in-app purchases available.

### Is Inference Ace free?

Inference Ace costs $8.99, with no in-app purchases.

### Which has better reviews, Third Grade Learning Games or Inference Ace?

Inference Ace is rated higher. Third Grade Learning Games averages 4.3 out of 5 from 20K ratings, while Inference Ace averages 4.5 from 4 ratings.

### Do Third Grade Learning Games or Inference Ace have ads?

Neither Third Grade Learning Games nor Inference Ace shows ads.

### Which is updated more often, Third Grade Learning Games or Inference Ace?

Third Grade Learning Games ships an update every 3 months, and Inference Ace every 7 months. Most recently, Third Grade Learning Games was updated on September 24, 2026 and Inference Ace on September 8, 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.*