# QuantumNote vs GravyLensing

QuantumNote and GravyLensing are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. Both last shipped on October 28, 2026.

## The numbers

| Metric | QuantumNote | GravyLensing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/quantumnote-quantum-computing/id6755923805/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 5 MB | 7 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dinesh Malla](https://appshunter.io/developer/1838122307) | [WILLIAM JOSEPH ROPER](https://appshunter.io/developer/6783065797) |

## What reviewers say

### QuantumNote

[App page](https://appshunter.io/ios/app/quantumnote-quantum-computing/id6755923805)

Master quantum computing with a comprehensive learning companion covering fundamentals to advanced algorithms. Explore topics with clear explanations, code examples, and progress tracking. Designed for students, developers, and enthusiasts.

**Highlights:** Comprehensive curriculum with 66 topics, Beginner to advanced content, Code examples with Python/Qiskit, Formula reference with LaTeX, Progress tracking and practice mode, Offline access, Dark mode

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

**In-app purchases:** none


### GravyLensing

[App page](https://appshunter.io/ios/app/gravylensing/id6783065795)

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

**In-app purchases:** none


## Frequently asked questions

### Is QuantumNote free?

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

### Is GravyLensing free?

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

### Do QuantumNote or GravyLensing have ads?

Neither QuantumNote nor GravyLensing shows ads.

### Which is updated more often, QuantumNote or GravyLensing?

QuantumNote ships an update every 2 months, and GravyLensing every 2 months. Most recently, QuantumNote was updated on October 28, 2026 and GravyLensing on October 28, 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.*