# Three Todo vs One & Three

The clearest difference is price: One & Three at Free against Three Todo's $0.99. One & Three also leads on update cadence (daily vs every 12 months). Three Todo's advantage is in-app purchases (none vs 4) and chart position (#194 vs unranked). On rating, review sentiment, ads and device support there is nothing between them.

One & Three is free to download; Three Todo costs $0.99 up front. One & Three sells 4 one-off in-app purchases. Three Todo asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Three Todo against 5.0 for One & Three. Both are backed by a comparable volume of ratings — 16 and 5 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Three Todo ships an update every 12 months, One & Three daily. The most recent releases landed on July 29, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Three Todo | One & Three |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [4.9 (16 ratings)](https://appshunter.io/ios/app/three-todo/id882164264/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/one-and-three/id6744300646/reviews)** |
| Number of ratings | **16** | 5 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Daily** |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#194** | — |
| Size | 9 MB | 4 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Jeffrey Lai](https://appshunter.io/developer/1630879658) | [Scott Curry](https://appshunter.io/developer/1214356980) |

## What reviewers say

### Three Todo

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

**Currently charting:** #194 Top Paid · Productivity (US App Store)

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


### One & Three

[App page](https://appshunter.io/ios/app/one-and-three/id6744300646)

This productivity app helps you focus on your most important tasks with a simple, minimalist design. It limits your daily focus to one main task and up to three supporting tasks, reducing overwhelm and decision fatigue.

**Highlights:** Focus on one main task daily, Add up to three supporting tasks, Minimalist and calming design, Quick entry with no distractions, Simple gestures and intuitive flow, Reduces decision fatigue

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small | $1.99 | one-time |
| Medium | $4.99 | one-time |
| Large | $9.99 | one-time |
| Extra-Large | $24.99 | one-time |


## Frequently asked questions

### Is Three Todo free?

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

### Is One & Three free?

One & Three is free to download, with in-app purchases available.

### Which has better reviews, Three Todo or One & Three?

One & Three is rated higher. Three Todo averages 4.9 out of 5 from 16 ratings, while One & Three averages 5.0 from 5 ratings.

### Do Three Todo or One & Three have ads?

Neither Three Todo nor One & Three shows ads.

### Which is updated more often, Three Todo or One & Three?

Three Todo ships an update every 12 months, and One & Three daily. Most recently, Three Todo was updated on July 29, 2026 and One & Three on June 1, 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.*