Comparison

1 vs Structree

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

Head to head
About

1

Features
Read full description

1-Day Todo helps you focus on what matters most: today. Stop getting overwhelmed by endless to-do lists. With 1-Day Todo, you plan your tasks for the current day, ensuring you stay productive and achieve your daily goals. Simple, intuitive, and designed to minimize stress and maximize accomplishment. Perfect for anyone looking to improve their daily planning and task management.

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

14 screens
Structree4 screens

Verdict

The call

The clearest difference is in-app purchases: 1 at none against Structree's 2. 1 also leads on ads (none vs shown) and update cadence (daily vs every 5 days). Structree's advantage is iOS requirement (13.0 vs 15.1). On price and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Structree sells 2 one-off in-app purchases. 1 asks for nothing beyond the download.

UpkeepUpdate frequency

1 ships an update daily, Structree every 5 days. The most recent releases landed on September 11, 2026 and September 21, 2026 respectively.

Scorecard4 real differences ยท 2 level
1 versus Structree: the parameters behind the verdict, then further details
Parameter1Structree
PriceFreeFree
Update frequencyDaily โ€” betterEvery 5 days
AdsNo โ€” betterYes
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.113.0 โ€” better
Further details โ€” not scored
Size66 MB28 MB
Age rating4+4+
DeveloperSB LeaderboardYuichi Sato

In-app purchases

None

1

No in-app purchases

2 purchases

Structree

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

Questions

Is 1 free?
1 is free to download, with no in-app purchases.
Is Structree free?
Structree is free to download, with in-app purchases available.
Do 1 or Structree have ads?
Structree shows ads; 1 does not.
Which is updated more often, 1 or Structree?
1 ships an update daily, and Structree every 5 days. Most recently, 1 was updated on September 11, 2026 and Structree on September 21, 2026.

Other comparisons