# Standard Notation Calculator vs Study AI

The clearest difference is in-app purchases: Standard Notation Calculator at none against Study AI's 4. Standard Notation Calculator also leads on ads (none vs shown) and iOS requirement (10.0 vs 15.1). Study AI's advantage is update cadence (every 6 days vs every 9 months). On price and device support there is nothing between them.

Both are free to download. Study AI sells 4 in-app purchases, starting at $8.99 per 7 days. Standard Notation Calculator asks for nothing beyond the download.

Standard Notation Calculator ships an update every 9 months, Study AI every 6 days. The most recent releases landed on October 1, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Standard Notation Calculator | Study AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (3 ratings)](https://appshunter.io/ios/app/study-ai-homework-helper/id6746123529/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 28 MB | 41 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ahmad Sattar](https://appshunter.io/developer/1458483953) | [Sofia Ortega](https://appshunter.io/developer/1815262489) |

## What reviewers say

### Standard Notation Calculator

[App page](https://appshunter.io/ios/app/standard-notation-calculator/id1601032021)

**Features:** macOS Compatibility

**In-app purchases:** none


### Study AI

[App page](https://appshunter.io/ios/app/study-ai-homework-helper/id6746123529)

Instantly solve complex math problems with AI-powered, step-by-step explanations. This tool helps you understand the process behind solutions, from basic arithmetic to calculus, making homework faster and learning more effective.

**Highlights:** AI-powered step-by-step solutions, Photo recognition for instant solving, Covers algebra, calculus, geometry, and more, Animated steps for visual learning, User-friendly design for all ages, Fast and accurate problem solving

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Math Solver Pro | $8.99 | per 7 days |
| Weekly Trial Math Solver Pro | $8.99 | per 7 days |
| Monthly Math Solver Pro | $14.99 | per month |
| Monthly Trial Math Solver Pro | $15.99 | per month |


## Frequently asked questions

### Is Standard Notation Calculator free?

Standard Notation Calculator is free to download, with no in-app purchases.

### Is Study AI free?

Study AI is free to download, with in-app purchases available.

### Do Standard Notation Calculator or Study AI have ads?

Study AI shows ads; Standard Notation Calculator does not.

### Which is updated more often, Standard Notation Calculator or Study AI?

Standard Notation Calculator ships an update every 9 months, and Study AI every 6 days. Most recently, Standard Notation Calculator was updated on October 1, 2026 and Study AI on October 15, 2026.

---

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