# Math 3 sec vs Number writing math 2nd grade

The clearest difference is rating: Number writing math 2nd grade at 4.1 against Math 3 sec's 1.0. Number writing math 2nd grade also leads on ratings volume (24 vs 1). Math 3 sec's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Number writing math 2nd grade sells 1 one-off in-app purchase. Math 3 sec asks for nothing beyond the download.

Number writing math 2nd grade holds the better App Store score, 4.1 against 1.0. That said, the two scores are not equally well evidenced: Number writing math 2nd grade has 24 ratings behind it against 1, so its average is the more settled of the two.

Math 3 sec ships an update every 2 weeks, Number writing math 2nd grade every 2 months. The most recent releases landed on October 14, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Math 3 sec | Number writing math 2nd grade |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/math-3-sec-think-fast/id1461463553/reviews) | **[4.1 (24 ratings)](https://appshunter.io/ios/app/number-writing-math-2nd-grade/id1480721987/reviews)** |
| Number of ratings | 1 | **24** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 21 MB | 26 MB |
| Requires iOS | **9.0** | 11.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Anong Nakhun](https://appshunter.io/developer/1435917499) | [Kalin M](https://appshunter.io/developer/1332292595) |

## What reviewers say

### Math 3 sec

[App page](https://appshunter.io/ios/app/math-3-sec-think-fast/id1461463553)

Test your quick calculation skills with this true or false math game. You have only three seconds to answer each question correctly. Avoid wrong answers or exceeding the time limit to keep playing.

**Highlights:** Quick calculation challenges, True or false math questions, 3-second time limit, Measures addition ability, Simple gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


### Number writing math 2nd grade

[App page](https://appshunter.io/ios/app/number-writing-math-2nd-grade/id1480721987)

This educational app offers a comprehensive math learning experience for second graders, covering addition, subtraction, multiplication, and division. It features over 400 quizzes across 22 free categories and supports a wide range of languages.

**Highlights:** Addition, Subtraction, Multiplication, Division, Missed numbers, Over 400 math quizzes, 22 free categories

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $3.99 | one-time |


## Frequently asked questions

### Is Math 3 sec free?

Math 3 sec is free to download, with no in-app purchases.

### Is Number writing math 2nd grade free?

Number writing math 2nd grade is free to download, with in-app purchases available.

### Which has better reviews, Math 3 sec or Number writing math 2nd grade?

Number writing math 2nd grade is rated higher. Math 3 sec averages 1.0 out of 5 from 1 ratings, while Number writing math 2nd grade averages 4.1 from 24 ratings.

### Do Math 3 sec or Number writing math 2nd grade have ads?

Number writing math 2nd grade shows ads; Math 3 sec does not.

### Which is updated more often, Math 3 sec or Number writing math 2nd grade?

Math 3 sec ships an update every 2 weeks, and Number writing math 2nd grade every 2 months. Most recently, Math 3 sec was updated on October 14, 2026 and Number writing math 2nd grade on October 22, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*