# ACT Math vs NTK SAT Math II

The clearest difference is update cadence: NTK SAT Math II at every 8 days against ACT Math's every 11 months. NTK SAT Math II also leads on iOS requirement (8.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ACT Math sells 1 one-off in-app purchase and NTK SAT Math II sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ACT Math ships an update every 11 months, NTK SAT Math II every 8 days. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | ACT Math | NTK SAT Math II |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (19 ratings)](https://appshunter.io/ios/app/act-math-algebra-lite/id585171630/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 8 days** |
| Monetization | Free | — |
| Size | 17 MB | 33 MB |
| Requires iOS | 15.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [Webrich Software Limited](https://appshunter.io/developer/290203591) | [NTK Academic Group](https://appshunter.io/developer/635797342) |

## What reviewers say

### ACT Math

[App page](https://appshunter.io/ios/app/act-math-algebra-lite/id585171630)

This app provides comprehensive practice for the ACT Algebra section with numerous questions and detailed explanations. It includes mock tests, instant feedback, and progress tracking to help users prepare effectively for the exam.

**Highlights:** 490 ACT Algebra practice questions, 49 revision notes, Mock tests with mixed questions, Instant feedback on answers, Detailed explanations for each question, Progress tracking with charts, Revision by topic

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Question Bank | $1.99 | one-time |


### NTK SAT Math II

[App page](https://appshunter.io/ios/app/ntk-sat-math-ii/id1166099614)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SAT Math Set 2 | $0.99 | one-time |
| SAT Math Set 3 | $0.99 | one-time |
| SAT Math Set 4 | $0.99 | one-time |
| SAT Math Set 5 | $0.99 | one-time |


## Frequently asked questions

### Is ACT Math free?

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

### Is NTK SAT Math II free?

NTK SAT Math II is free to download, with in-app purchases available.

### Do ACT Math or NTK SAT Math II have ads?

Neither ACT Math nor NTK SAT Math II shows ads.

### Which is updated more often, ACT Math or NTK SAT Math II?

ACT Math ships an update every 11 months, and NTK SAT Math II every 8 days. Most recently, ACT Math was updated on November 1, 2026 and NTK SAT Math II on November 2, 2026.

---

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