# Grade 12 Math & Science vs Quantum Bob

The clearest difference is review sentiment: Quantum Bob at 100% against Grade 12 Math & Science's 0%. Quantum Bob also leads on price (Free vs $1.99) and rating (5.0 vs 1.0). Grade 12 Math & Science's advantage is iOS requirement (18.2 vs 26.2). On ads, in-app purchases and device support there is nothing between them.

Quantum Bob is free to download; Grade 12 Math & Science costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Quantum Bob holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: Quantum Bob has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Grade 12 Math & Science's written reviews are positive against 100% of Quantum Bob's.

Grade 12 Math & Science ships an update every 40 months, Quantum Bob every 2 days. The most recent releases landed on October 23, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Grade 12 Math & Science | Quantum Bob |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/grade-12-math-and-science/id552696693/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/quantum-bob/id6759178420/reviews)** |
| Number of ratings | 1 | **6** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 40 months | **Every 2 days** |
| Monetization | Paid | **Free** |
| Size | 2 MB | 13 MB |
| Requires iOS | **18.2** | 26.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Prachi Pimpalkhare](https://appshunter.io/developer/359099311) | [SquatchCraft LLC](https://appshunter.io/developer/1440325922) |

## What reviewers say

### Grade 12 Math & Science

[App page](https://appshunter.io/ios/app/grade-12-math-and-science/id552696693)

This app offers interactive quizzes for Grade 12 math and science, making learning fun and effective. It provides instant feedback, progress tracking, and offline access to help students master key concepts. Designed for young learners, it ensures a safe and distraction-free educational experience.

**Highlights:** Topic-wise quizzes, Instant feedback, Progress tracking with charts, Score reset for retakes, Offline mode, Child-friendly design

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

**In-app purchases:** none


### Quantum Bob

[App page](https://appshunter.io/ios/app/quantum-bob/id6759178420)

Engage with real quantum physics experiments by predicting measurement outcomes from actual quantum computer data. Compete against an AI leveraging quantum entanglement and discover the quantum advantage through interactive gameplay and lessons.

**Highlights:** Real quantum measurement data, Compete against quantum AI, Local multiplayer, Interactive lessons, Progress tracking, Statistical proof tests

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Grade 12 Math & Science free?

Grade 12 Math & Science costs $1.99, with no in-app purchases.

### Is Quantum Bob free?

Quantum Bob is free to download, with no in-app purchases.

### Which has better reviews, Grade 12 Math & Science or Quantum Bob?

Quantum Bob is rated higher. Grade 12 Math & Science averages 1.0 out of 5 from 1 ratings, while Quantum Bob averages 5.0 from 6 ratings.

### Do Grade 12 Math & Science or Quantum Bob have ads?

Neither Grade 12 Math & Science nor Quantum Bob shows ads.

### Which is updated more often, Grade 12 Math & Science or Quantum Bob?

Grade 12 Math & Science ships an update every 40 months, and Quantum Bob every 2 days. Most recently, Grade 12 Math & Science was updated on October 23, 2026 and Quantum Bob on October 21, 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.*