# Tab ToDo vs Parabit Event Tracker

The clearest difference is in-app purchases: Parabit Event Tracker at none against Tab ToDo's 1. Parabit Event Tracker also leads on ads (none vs shown) and iOS requirement (12.1 vs 15.1). On price, update cadence and device support there is nothing between them.

Both are free to download. Tab ToDo sells 1 in-app purchase, starting at $1.49 per year. Parabit Event Tracker asks for nothing beyond the download.

Tab ToDo ships an update every 4 months, Parabit Event Tracker every 2 months. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Tab ToDo | Parabit Event Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 2 months** |
| Size | 30 MB | 22 MB |
| Requires iOS | 15.1 | **12.1** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Haruya Nakamura](https://appshunter.io/developer/1482524589) | [Parabit Systems, Inc.](https://appshunter.io/developer/1300275288) |

## What reviewers say

### Tab ToDo

[App page](https://appshunter.io/ios/app/tab-todo/id1519566137)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tab To Do Premium | $1.49 | per year |


### Parabit Event Tracker

[App page](https://appshunter.io/ios/app/parabit-event-tracker/id1534202787)

**In-app purchases:** none


## Frequently asked questions

### Is Tab ToDo free?

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

### Is Parabit Event Tracker free?

Parabit Event Tracker is free to download, with no in-app purchases.

### Do Tab ToDo or Parabit Event Tracker have ads?

Tab ToDo shows ads; Parabit Event Tracker does not.

### Which is updated more often, Tab ToDo or Parabit Event Tracker?

Tab ToDo ships an update every 4 months, and Parabit Event Tracker every 2 months. Most recently, Tab ToDo was updated on October 29, 2026 and Parabit Event Tracker on October 25, 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.*