# TreeChart vs ThinkSpace

The clearest difference is rating: ThinkSpace at 4.3 against TreeChart's 2.0. ThinkSpace also leads on ads (none vs shown) and review sentiment (54% vs 20%). TreeChart's advantage is in-app purchases (none vs 2) and iOS requirement (11.0 vs 15.6). On price, update cadence and device support there is nothing between them.

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

ThinkSpace holds the better App Store score, 4.3 against 2.0. That said, the two scores are not equally well evidenced: ThinkSpace has 273 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 20% of TreeChart's written reviews are positive against 54% of ThinkSpace's.

TreeChart ships an update every 5 weeks, ThinkSpace monthly. The most recent releases landed on October 2, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | TreeChart | ThinkSpace |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (4 ratings)](https://appshunter.io/ios/app/treechart-easy-mindmap/id1303008061/reviews) | **[4.3 (273 ratings)](https://appshunter.io/ios/app/thinkspace-mind-map-and-notes/id1335574515/reviews)** |
| Number of ratings | 4 | **273** |
| Positive reviews | 20.0% of reviews | **53.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 33 MB | 238 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 17+ |
| Developer | [Yutaka Nakao](https://appshunter.io/developer/1303008060) | [Naoya Enokida](https://appshunter.io/developer/583844490) |

## What reviewers say

### TreeChart

[App page](https://appshunter.io/ios/app/treechart-easy-mindmap/id1303008061)

Organize information effortlessly with a revolutionary logic tree interface. Ideal for business, education, and personal use, this tool helps structure thoughts, notes, and plans. Available for iPhone and iPad, it supports various organizational and planning needs.

**Highlights:** Logic tree creation, Mind mapping, Simple memo functionality, Information organization, Planning and scheduling, Printable output

**Features:** macOS Compatibility

**In-app purchases:** none


### ThinkSpace

[App page](https://appshunter.io/ios/app/thinkspace-mind-map-and-notes/id1335574515)

This app is a powerful thinking tool that supports creative workflows with an intuitive interface and various thinking methods. It offers features like handwritten notes, unlimited canvases, idea generation frameworks, and real-time collaboration to aid brainstorming and idea structuring.

**Highlights:** Handwritten sticky notes, Unlimited canvas sizes, Idea generation frameworks, Real-time sharing, Mind mapping, Diagram creation, AI brainstorming

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ThinkSpace Pro Access | $2.99 | per month |
| ThinkSpace Pro Access | $29.99 | per year |

**What reviewers like**

- 💡 Innovative freeform mind-mapping with infinite canvas
- ✏️ Excellent Apple Pencil integration and handwriting support
- 🎨 Flexible and creative brainstorming capabilities
- 📋 Multiple thinking frameworks and templates included
- 👍 Intuitive sticky note-like interface

**What reviewers complain about**

- 🐛 Frequent crashes and app freezing
- ⚠️ Data loss issues after subscription or app updates
- 💸 Aggressive paywall with limited free tier
- 🔒 Privacy concerns with data collection policies
- 😕 Steep learning curve and unintuitive UI

**Reported bugs**

- App crashes on launch or during use
- Data disappears after upgrading to paid version
- Canvas fails to load with many items
- Text boxes become uneditable
- Grouped items move unexpectedly when resizing

**Requested features**

- One-time purchase option instead of subscription
- Dark mode theme
- Better palm rejection for Apple Pencil
- Folder/project organization system
- Ability to delete canvases easily


## Frequently asked questions

### Is TreeChart free?

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

### Is ThinkSpace free?

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

### Which has better reviews, TreeChart or ThinkSpace?

ThinkSpace is rated higher. TreeChart averages 2.0 out of 5 from 4 ratings, while ThinkSpace averages 4.3 from 273 ratings.

### Do TreeChart or ThinkSpace have ads?

TreeChart shows ads; ThinkSpace does not.

### Which is updated more often, TreeChart or ThinkSpace?

TreeChart ships an update every 5 weeks, and ThinkSpace monthly. Most recently, TreeChart was updated on October 2, 2026 and ThinkSpace 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.*