TreeChart vs PDCA quick
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TreeChart
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.
- Logic tree creation
- Mind mapping
- Simple memo functionality
- Information organization
- Planning and scheduling
- Printable output
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■Revolutionary user experience of logic tree. ■Organize information with easy operation. ■Great success for business, education and private. ■Using all over the world. "TreeChart" can be used to "Organize information with easy operation." iPhone / iPad is available.Free.We are displaying advertisements. If you have comments, questions, etc., please email or bulletin board. -- Use -- ◆ Thinking: Logic tree, Issue tree, Mind map, Strategy diagram ◆ Notes: memo, diary ◆ Organization: information organization, family tree, study study, 5W1H summary ◆ Dialogue: task assignment, consciousness matching, image sharing (Line etc.) ◆ Schedule: Annual plan, travel plan, lesson time schedule ◆ Other: Print and use handwritten.
PDCA quick
This application helps users implement the PDCA cycle for planning, doing, checking, and acting. It supports various timeframes, including annual, monthly, weekly, and daily cycles, to facilitate continuous improvement.
- PDCA cycle implementation
- Annual cycle planning
- Monthly cycle planning
- Weekly cycle planning
- Daily cycle planning
- Continuous improvement tool
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You can run the PDCA cycle on an annual, monthly, weekly, or daily basis. Annual Monthly Weekly Daily Let's use this "PDCA quick" to turn the PDCA cycle!
Screenshots
Verdict
The clearest difference is review sentiment: PDCA quick at 100% against TreeChart's 20%. PDCA quick also leads on update cadence (every 9 days vs every 5 weeks). TreeChart's advantage is iOS requirement (11.0 vs 14.0). On price, ads, in-app purchases and monetization model 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
TreeChart ships an update every 5 weeks, PDCA quick every 9 days. The most recent releases landed on September 23, 2026 and September 19, 2026 respectively.
| Parameter | TreeChart | PDCA quick |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (4 ratings) — better | — |
| Positive reviews | 20.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 4 — better | — |
| Update frequency | Every 5 weeks | Every 9 days — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 33 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Yutaka Nakao | Tadaaki Kobayashi |
Customer experience
TreeChart
PDCA quick
In-app purchases
TreeChart
No in-app purchases
PDCA quick
No in-app purchases
