# MindNode vs RayCrest Lab Calculator

The clearest difference is in-app purchases: RayCrest Lab Calculator at none against MindNode's 2. MindNode's advantage is ratings volume (316 vs 3) and update cadence (every 2 weeks vs every 2 months). On price, rating, ads and iOS requirement there is nothing between them.

Both are free to download. MindNode sells 2 in-app purchases, starting at $2.99 per month. RayCrest Lab Calculator asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for MindNode against 4.7 for RayCrest Lab Calculator. That said, the two scores are not equally well evidenced: MindNode has 316 ratings behind it against 3, so its average is the more settled of the two.

MindNode ships an update every 2 weeks, RayCrest Lab Calculator every 2 months. The most recent releases landed on October 15, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | MindNode | RayCrest Lab Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (316 ratings)](https://appshunter.io/ios/app/mindnode-mind-map-and-outline/id6446116532/reviews) | **[4.7 (3 ratings)](https://appshunter.io/ios/app/raycrest-lab-calculator/id6785651551/reviews)** |
| Number of ratings | **316** | 3 |
| Positive reviews | 47.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 208 MB | 7 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad, Mac, Apple Watch, Vision Pro** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [IdeasOnCanvas GmbH](https://appshunter.io/developer/312220105) | [RAYCREST SOFTWARE LLC](https://appshunter.io/developer/1847966144) |

## What reviewers say

### MindNode

[App page](https://appshunter.io/ios/app/mindnode-mind-map-and-outline/id6446116532)

Visualize and organize your thoughts with an infinite canvas for mind mapping and a linear structure for outlining. Collaborate in real-time with others and access your projects across all your Apple devices. A free editor is available, with an optional subscription for advanced features.

**Highlights:** Infinite canvas mind mapping, Linear outlining view, Real-time collaboration, Cross-device synchronization, Notes and visual tags, Import and export options

**Features:** Family Sharing, Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.99 | per month |
| Yearly Subscription | $24.99 | per year |

**What reviewers like**

- 🚀 Powerful brainstorming features
- 👍 Intuitive and easy to use
- 🌟 Excellent for organizing thoughts and ideas
- 🌍 Seamless cross-device sync

**What reviewers complain about**

- 🔒 Restrictive file management
- 💰 Expensive subscription model
- 🔍 Lack of folder organization
- 🔙 Missing key features from classic version
- 🐛 Bugs and stability issues

**Reported bugs**

- Crashes on startup
- Text rendering issues
- Syncing problems across devices
- Incompatibility with older hardware

**Requested features**

- Add folder structure for organizing mind maps
- Restore manual layout and positioning options
- Bring back Apple Watch support
- Improve export and integration with other apps
- Provide more customization options for themes and formatting


### RayCrest Lab Calculator

[App page](https://appshunter.io/ios/app/raycrest-lab-calculator/id6785651551)

This app assists researchers, students, and lab teams with essential calculations for preparing buffers, solutions, and dilutions. It provides practical guidance for weighing solids, mixing stocks, and titration, with built-in tools for buffer charts, recipes, and protocol timers.

**Highlights:** Buffer preparation guidance, Henderson-Hasselbalch recipes, Stock mixing and titration, Solution and dilution calculations, Mass/volume conversions, Protocol timers, Saved recipes and compounds

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is MindNode free?

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

### Is RayCrest Lab Calculator free?

RayCrest Lab Calculator is free to download, with no in-app purchases.

### Which has better reviews, MindNode or RayCrest Lab Calculator?

RayCrest Lab Calculator is rated higher. MindNode averages 4.6 out of 5 from 316 ratings, while RayCrest Lab Calculator averages 4.7 from 3 ratings.

### Do MindNode or RayCrest Lab Calculator have ads?

Neither MindNode nor RayCrest Lab Calculator shows ads.

### Which is updated more often, MindNode or RayCrest Lab Calculator?

MindNode ships an update every 2 weeks, and RayCrest Lab Calculator every 2 months. Most recently, MindNode was updated on October 15, 2026 and RayCrest Lab Calculator on October 10, 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.*