# BIDMASter vs Study AI

The clearest difference is in-app purchases: BIDMASter at none against Study AI's 4. BIDMASter also leads on ads (none vs shown) and update cadence (every 2 days vs every 6 days). On price, device support and iOS requirement there is nothing between them.

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

BIDMASter ships an update every 2 days, Study AI every 6 days. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | BIDMASter | 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 2 days** | Every 6 days |
| Monetization | — | Free with in-app purchases |
| Size | 2 MB | 41 MB |
| Requires iOS | 15.5 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Philip Hazelwood](https://appshunter.io/developer/1626264984) | [Sofia Ortega](https://appshunter.io/developer/1815262489) |

## What reviewers say

### BIDMASter

[App page](https://appshunter.io/ios/app/bidmaster/id1634432607)

**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 BIDMASter free?

BIDMASter 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 BIDMASter or Study AI have ads?

Study AI shows ads; BIDMASter does not.

### Which is updated more often, BIDMASter or Study AI?

BIDMASter ships an update every 2 days, and Study AI every 6 days. Most recently, BIDMASter was updated on October 27, 2026 and Study AI on October 24, 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.*