Comparison

Simple vs Structree

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

Head to head
About

Simple

Organize projects and tasks with a visual mind-map interface. Break down complex tasks into sub-projects for a clear overview. This app combines mind-mapping with task management for intuitive project planning.

Highlights
  • Visual project overview
  • Task and deadline management
  • Sub-project creation
  • Mind-map interface
  • Intuitive organization
Features
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Understand your projects and workloads at a glance. Combine the simplicity of a mind-map with the organization of a task manager with Simple: Project Organizer. Create projects with tasks and deadlines. When tasks feel too complex to encapsulate it in a single line, make it into a sub-project instead. The final product will be a simple and easy to understand mind map that functions as a task manager at the same time.

About

Structree

Features
Read full description

Structree is a simple app for organizing your thoughts into clear structures. Instead of keeping ideas as scattered notes, Structree helps you break them down into Worlds, Pyramids, Trees, and Nodes. Use it to organize projects, study topics, product ideas, personal plans, or any subject you want to understand more clearly. Create a World for a broad theme. Build Pyramids to shape your thinking. Use Trees to connect related ideas. Open Nodes to add detailed text and images. Structree is designed to stay simple. It focuses on structure, not complexity, so you can think clearly without being overwhelmed by too many features. Key features: - Organize ideas with Worlds, Pyramids, Trees, and Nodes - Add text blocks and images to Nodes - Search and reorder your structures - Keep your data on your device - Remove ads with an optional upgrade - Unlock larger limits with Pro Lifetime Structree is useful for: - Structured thinking - Idea organization - Study notes - Project planning - Product planning - Brainstorming - Personal knowledge organization If normal notes feel too flat, Structree gives your ideas a shape.

Screenshots

Simple3 screens
Structree4 screens

Verdict

The call

The clearest difference is in-app purchases: Simple at none against Structree's 2. Simple also leads on ads (none vs shown). Structree's advantage is update cadence (every 5 days vs every 6 weeks) and iOS requirement (13.0 vs 18.6). On price and device support there is nothing between them.

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Structree sells 2 one-off in-app purchases. Simple asks for nothing beyond the download.

UpkeepUpdate frequency

Simple ships an update every 6 weeks, Structree every 5 days. The most recent releases landed on September 5, 2026 and September 21, 2026 respectively.

Scorecard4 real differences · 5 level
Simple versus Structree: the parameters behind the verdict, then further details
ParameterSimpleStructree
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 6 weeksEvery 5 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.613.0 — better
Further details — not scored
Size8 MB28 MB
Age rating4+4+
Developerseth kYuichi Sato

In-app purchases

None

Simple

No in-app purchases

2 purchases

Structree

One-time2
  • Remove Ads$4.99
  • Pro Lifetime$14.99

Questions

Is Simple free?
Simple is free to download, with no in-app purchases.
Is Structree free?
Structree is free to download, with in-app purchases available.
Do Simple or Structree have ads?
Structree shows ads; Simple does not.
Which is updated more often, Simple or Structree?
Simple ships an update every 6 weeks, and Structree every 5 days. Most recently, Simple was updated on September 5, 2026 and Structree on September 21, 2026.

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