# Kigen ~ penguin task tracker vs OnVault

The clearest difference is ads: OnVault at none against Kigen ~ penguin task tracker's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Kigen ~ penguin task tracker sells 3 one-off in-app purchases and OnVault sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Kigen ~ penguin task tracker ships an update every 9 days, OnVault fortnightly. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Kigen ~ penguin task tracker | OnVault |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 20 MB | 68 MB |
| Requires iOS | 16.6 | **15.5** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Taito Iikura](https://appshunter.io/developer/1506013840) | [AKIFUMI YOSHIMURA](https://appshunter.io/developer/1819749795) |

## What reviewers say

### 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 |


### OnVault

[App page](https://appshunter.io/ios/app/onvault-document-vault/id6759666838)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $3.99 | per month |
| Yearly Premium | $36.99 | per year |
| Lifetime License | $79.99 | one-time |


## Frequently asked questions

### Is Kigen ~ penguin task tracker free?

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

### Is OnVault free?

OnVault is free to download, with in-app purchases available.

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

Kigen ~ penguin task tracker shows ads; OnVault does not.

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

Kigen ~ penguin task tracker ships an update every 9 days, and OnVault fortnightly. Most recently, Kigen ~ penguin task tracker was updated on October 5, 2026 and OnVault on October 7, 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.*