# digital SAT math vs Algebra Helper by ChatStick

The clearest difference is price: Algebra Helper by ChatStick at Free against digital SAT math's $9.99. Algebra Helper by ChatStick also leads on update cadence (every 6 months vs every 13 months). digital SAT math's advantage is in-app purchases (none vs 1) and ads (none vs shown).

Algebra Helper by ChatStick is free to download; digital SAT math costs $9.99 up front. Algebra Helper by ChatStick sells 1 one-off in-app purchase. digital SAT math asks for nothing beyond the download.

digital SAT math ships an update every 13 months, Algebra Helper by ChatStick every 6 months. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | digital SAT math | Algebra Helper by ChatStick |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 13 months | **Every 6 months** |
| Size | 66 MB | 9 MB |
| Requires iOS | **12.0** | 18.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [IOANNIS LABADAS](https://appshunter.io/developer/1495723936) | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) |

## What reviewers say

### digital SAT math

[App page](https://appshunter.io/ios/app/digital-sat-math-total/id1504569891)

**Features:** macOS Compatibility

**In-app purchases:** none


### Algebra Helper by ChatStick

[App page](https://appshunter.io/ios/app/algebra-helper-by-chatstick/id6752741725)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Features | $1.99 | one-time |


## Frequently asked questions

### Is digital SAT math free?

digital SAT math costs $9.99, with no in-app purchases.

### Is Algebra Helper by ChatStick free?

Algebra Helper by ChatStick is free to download, with in-app purchases available.

### Do digital SAT math or Algebra Helper by ChatStick have ads?

Algebra Helper by ChatStick shows ads; digital SAT math does not.

### Which is updated more often, digital SAT math or Algebra Helper by ChatStick?

digital SAT math ships an update every 13 months, and Algebra Helper by ChatStick every 6 months. Most recently, digital SAT math was updated on November 7, 2026 and Algebra Helper by ChatStick on October 30, 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.*