Comparison

QuantumReader vs Doodle Mind

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

QuantumReader

Features
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QuantumReader uses the built-in camera to read QR codes and barcodes, automatically displaying websites and text in sequence. Easily browse through product catalogs and travel guides, which contain many QR codes. Scanned content can be shared using the standard sharing menu, such as copying or AirDrop. This app allows you to configure the following settings: - Rear camera or Front camera - Code detection (QR codes only / All detectable codes) - Automatically display websites - Automatically search for text - Display the status bar

About

Doodle Mind

Features
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### Doodle Mind - Visualize Your Thoughts Naturally Doodle Mind is a unique hand-drawn style mind mapping application that perfectly combines traditional mind mapping with hand-drawn aesthetics, making your creative expression more natural and vivid. ### Key Features **Hand-Drawn Style** - Unique hand-drawn lines and node styles - Multiple hand-drawn templates available - Natural and smooth visual experience **Simple and Easy to Use** - Intuitive drag-and-drop operations - Quick node creation and editing - One-click save and export **Feature-Rich** - Various node shapes and colors - Customizable fonts and styles - Template library for quick start - Canvas zoom and pan - Undo/Redo functionality ### Use Cases - **Study Notes**: Organize classroom knowledge and build knowledge systems - **Project Planning**: Sort out project ideas and make action plans - **Brainstorming**: Record creative inspiration and spark thinking - **Meeting Minutes**: Quickly record key points with clear structure ### Why Choose Doodle Mind? Unlike traditional mind mapping tools, Doodle Mind uses a hand-drawn style design to make your mind maps look more vivid and interesting. Whether you are a student, professional, or creative worker, you can find a suitable way to organize your thoughts here. ### Privacy Protection We value your privacy and security. All data is stored locally on your device and is never uploaded to servers. You can use it with confidence without worrying about data breaches.

Screenshots

QuantumReader4 screens
Doodle Mind3 screens

Verdict

The call

The clearest difference is in-app purchases: Doodle Mind at none against QuantumReader's 1. Doodle Mind also leads on update cadence (every 2 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. QuantumReader sells 1 one-off in-app purchase. Doodle Mind asks for nothing beyond the download.

UpkeepUpdate frequency

QuantumReader ships an update every 2 months, Doodle Mind every 2 days. The most recent releases landed on September 25, 2026 and September 29, 2026 respectively.

Scorecard2 real differences Β· 4 level
QuantumReader versus Doodle Mind: the parameters behind the verdict, then further details
ParameterQuantumReaderDoodle Mind
PriceFreeFree
Update frequencyEvery 2 monthsEvery 2 days β€” better
AdsNoNo
In-app purchasesYesNo β€” better
DevicesiPhone, iPadiPhone, iPad, iPod β€” better
Requires iOS16.615.1 β€” better
Further details β€” not scored
Size5 MB25 MB
Age rating17+4+
DeveloperMasayuki AkamatsuGuangzhou Youban Hudong Technology Co., Ltd.

In-app purchases

1 purchases

QuantumReader

One-time1
  • Remove Ads$4.99
None

Doodle Mind

No in-app purchases

Questions

Is QuantumReader free?
QuantumReader is free to download, with in-app purchases available.
Is Doodle Mind free?
Doodle Mind is free to download, with no in-app purchases.
Do QuantumReader or Doodle Mind have ads?
Neither QuantumReader nor Doodle Mind shows ads.
Which is updated more often, QuantumReader or Doodle Mind?
QuantumReader ships an update every 2 months, and Doodle Mind every 2 days. Most recently, QuantumReader was updated on September 25, 2026 and Doodle Mind on September 29, 2026.

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