# Math for 3rd grade vs Thầy Trò

The clearest difference is iOS requirement: Math for 3rd grade at 15.0 against Thầy Trò's 18.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Math for 3rd grade sells 8 in-app purchases, starting at $1.99 per month and Thầy Trò sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Math for 3rd grade ships an update every 3 weeks, Thầy Trò every 2 weeks. The most recent releases landed on September 17, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Math for 3rd grade | Thầy Trò |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (101 ratings)](https://appshunter.io/ios/app/math-for-3rd-grade/id6443941012/reviews)** | — |
| Number of ratings | **101** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 215 MB | 25 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [nguyen thanh](https://appshunter.io/developer/1481436893) | [MI PHAM VAN](https://appshunter.io/developer/1832641861) |

## What reviewers say

### Math for 3rd grade

[App page](https://appshunter.io/ios/app/math-for-3rd-grade/id6443941012)

This app makes learning math engaging for 3rd graders through interactive games and challenges. It covers essential skills like multiplication, division, and fractions with adaptive learning and colorful animations.

**Highlights:** Multiplication & Times Tables Mastery, Division & Fractions Made Easy, Interactive Problem-Solving, Quick Math Challenges, Adaptive Learning, Kid-Friendly & Safe Environment

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Prodigy Premium Monthly Plan | $1.99 | per month |
| Three Months VIP | $1.99 | per 3 months |
| One Month VIP | $4.99 | per month |
| Prodigy Premium Half-Year Plan | $5.99 | per 6 months |
| Prodigy Premium Annual Plan | $9.99 | per year |
| Six Months VIP | $24.99 | per 6 months |
| 1 Year VIP | $49.99 | per year |
| No ads Pack | $14.99 | one-time |


### Thầy Trò

[App page](https://appshunter.io/ios/app/thay-tro/id6761396570)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1-Month Plan | $1.99 | per month |
| 1-Year Plan | $14.99 | per year |


## Frequently asked questions

### Is Math for 3rd grade free?

Math for 3rd grade is free to download, with in-app purchases available.

### Is Thầy Trò free?

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

### Do Math for 3rd grade or Thầy Trò have ads?

Neither Math for 3rd grade nor Thầy Trò shows ads.

### Which is updated more often, Math for 3rd grade or Thầy Trò?

Math for 3rd grade ships an update every 3 weeks, and Thầy Trò every 2 weeks. Most recently, Math for 3rd grade was updated on September 17, 2026 and Thầy Trò on September 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.*