# PDCA quick vs Habit Tracker, To Do Done List

The clearest difference is update cadence: PDCA quick at every 9 days against Habit Tracker, To Do Done List's every 2 months. PDCA quick also leads on iOS requirement (14.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PDCA quick ships an update every 9 days, Habit Tracker, To Do Done List every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | PDCA quick | Habit Tracker, To Do Done List |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 9 days** | Every 2 months |
| Monetization | Ad-supported | — |
| Size | 15 MB | 10 MB |
| Requires iOS | **14.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tadaaki Kobayashi](https://appshunter.io/developer/1453815071) | [FugaPiyo Inc.](https://appshunter.io/developer/1497887610) |

## What reviewers say

### PDCA quick

[App page](https://appshunter.io/ios/app/pdca-quick/id1546415252)

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.

**Highlights:** PDCA cycle implementation, Annual cycle planning, Monthly cycle planning, Weekly cycle planning, Daily cycle planning, Continuous improvement tool

**In-app purchases:** none


### Habit Tracker, To Do Done List

[App page](https://appshunter.io/ios/app/habit-tracker-to-do-done-list/id1616495051)

**In-app purchases:** none


## Frequently asked questions

### Is PDCA quick free?

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

### Is Habit Tracker, To Do Done List free?

Habit Tracker, To Do Done List is free to download, with no in-app purchases.

### Do PDCA quick or Habit Tracker, To Do Done List have ads?

Both PDCA quick and Habit Tracker, To Do Done List show ads.

### Which is updated more often, PDCA quick or Habit Tracker, To Do Done List?

PDCA quick ships an update every 9 days, and Habit Tracker, To Do Done List every 2 months. Most recently, PDCA quick was updated on November 3, 2026 and Habit Tracker, To Do Done List on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*