# IFThenNote vs Kigen ~ penguin task tracker

The clearest difference is in-app purchases: IFThenNote at none against Kigen ~ penguin task tracker's 3. Kigen ~ penguin task tracker's advantage is update cadence (every 9 days vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Kigen ~ penguin task tracker sells 3 one-off in-app purchases. IFThenNote asks for nothing beyond the download.

IFThenNote ships an update every 4 months, Kigen ~ penguin task tracker every 9 days. The most recent releases landed on October 1, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | IFThenNote | Kigen ~ penguin task tracker |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 9 days** |
| Monetization | — | Free with in-app purchases |
| Size | 5 MB | 20 MB |
| Requires iOS | **15.2** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [masaaki genno](https://appshunter.io/developer/1611455396) | [Taito Iikura](https://appshunter.io/developer/1506013840) |

## What reviewers say

### IFThenNote

[App page](https://appshunter.io/ios/app/ifthennote/id1616119642)

**Features:** macOS Compatibility

**In-app purchases:** none


### Kigen ~ penguin task tracker

[App page](https://appshunter.io/ios/app/kigen-penguin-task-tracker/id6477283404)

This app helps you manage tasks and meet deadlines with a simple interface. It uses color-coded indicators for due dates and a punctuality level system to motivate users. Receive timely notifications to stay on track.

**Highlights:** Task title, note, due date, and importance entry, Color-coded due date status indicators, Punctuality level system for motivation, Customizable deadline notifications, Simple task completion marking

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support Kigen App | $1.99 | one-time |
| Support Kigen App | $4.99 | one-time |
| Ads Free Plan | $14.99 | one-time |


## Frequently asked questions

### Is IFThenNote free?

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

### Is Kigen ~ penguin task tracker free?

Kigen ~ penguin task tracker is free to download, with in-app purchases available.

### Do IFThenNote or Kigen ~ penguin task tracker have ads?

Both IFThenNote and Kigen ~ penguin task tracker show ads.

### Which is updated more often, IFThenNote or Kigen ~ penguin task tracker?

IFThenNote ships an update every 4 months, and Kigen ~ penguin task tracker every 9 days. Most recently, IFThenNote was updated on October 1, 2026 and Kigen ~ penguin task tracker on October 5, 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.*