# UpDiagram vs Thoughtree

The clearest difference is in-app purchases: UpDiagram at none against Thoughtree's 2. Thoughtree's advantage is update cadence (every 3 days vs weekly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Thoughtree sells 2 in-app purchases, starting at $19.99 per year. UpDiagram asks for nothing beyond the download.

UpDiagram ships an update weekly, Thoughtree every 3 days. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | UpDiagram | Thoughtree |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/updiagram/id1470250338/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 95.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Free | — |
| Size | 40 MB | 66 MB |
| Requires iOS | 16.1 | **16.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [ITC Group](https://appshunter.io/developer/1470250337) | [NIJIZO](https://appshunter.io/developer/1765848169) |

## What reviewers say

### UpDiagram

[App page](https://appshunter.io/ios/app/updiagram/id1470250338)

This project management tool streamlines project oversight, reducing the time and effort required to manage tasks. It fosters transparency and collaboration within teams, making project progress easily accessible to all members.

**Highlights:** Project progress visibility, Simplified task management, Direct team communication, Transparent information sharing, Up-to-date software features

**Features:** macOS Compatibility

**In-app purchases:** none


### Thoughtree

[App page](https://appshunter.io/ios/app/thoughtree-mind-map-and-outline/id6804508753)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Yearly | $19.99 | per year |
| Thoughtree Pro (Lifetime) | $29.99 | one-time |


## Frequently asked questions

### Is UpDiagram free?

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

### Is Thoughtree free?

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

### Do UpDiagram or Thoughtree have ads?

Neither UpDiagram nor Thoughtree shows ads.

### Which is updated more often, UpDiagram or Thoughtree?

UpDiagram ships an update weekly, and Thoughtree every 3 days. Most recently, UpDiagram was updated on November 3, 2026 and Thoughtree on October 25, 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.*