# Three Todo vs Peek

The clearest difference is price: Peek at Free against Three Todo's $0.99. Three Todo's advantage is in-app purchases (none vs 2). On update cadence, ads, device support and iOS requirement there is nothing between them.

Peek is free to download; Three Todo costs $0.99 up front. Peek sells 2 in-app purchases, starting at $1.99 per month. Three Todo asks for nothing beyond the download.

Three Todo ships an update every 12 months, Peek every 11 months. The most recent releases landed on November 1, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Three Todo | Peek |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.9 (16 ratings)](https://appshunter.io/ios/app/three-todo/id882164264/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 11 months** |
| Monetization | Paid | — |
| Size | 9 MB | 28 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | iPhone, Apple Watch | **iPhone, iPad, Apple Watch** |
| Age rating | 9+ | 4+ |
| Developer | [Jeffrey Lai](https://appshunter.io/developer/1630879658) | [Kevin Floch](https://appshunter.io/developer/1772752224) |

## What reviewers say

### Three Todo

[App page](https://appshunter.io/ios/app/three-todo/id882164264)

This task management app focuses on simplicity by presenting only three tasks at a time. It offers three actions: Done, Defer, or Drop, to help users manage their to-do list without added stress or complexity.

**Highlights:** Focus on 3 tasks at a time, Stress-free task management, Action tasks: Done, Defer, or Drop, Minimalist and non-intrusive design, Prioritizes tasks based on user actions

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


### Peek

[App page](https://appshunter.io/ios/app/peek-hidden-notes-on-watch/id6739758602)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PresentationPro+ Monthly | $1.99 | per month |
| PresentationPro+ Annually | $9.99 | per year |


## Frequently asked questions

### Is Three Todo free?

Three Todo costs $0.99, with no in-app purchases.

### Is Peek free?

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

### Do Three Todo or Peek have ads?

Neither Three Todo nor Peek shows ads.

### Which is updated more often, Three Todo or Peek?

Three Todo ships an update every 12 months, and Peek every 11 months. Most recently, Three Todo was updated on November 1, 2026 and Peek on October 23, 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.*