# Polymath vs One Habit

The clearest difference is in-app purchases: Polymath at none against One Habit's 3. One Habit's advantage is update cadence (every 6 days vs every 3 weeks) and iOS requirement (13.3 vs 26.1). On price, ads and device support there is nothing between them.

Both are free to download. One Habit sells 3 in-app purchases, starting at $2.99 per month. Polymath asks for nothing beyond the download.

Polymath ships an update every 3 weeks, One Habit every 6 days. The most recent releases landed on October 5, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Polymath | One Habit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Size | 11 MB | 56 MB |
| Requires iOS | 26.1 | **13.3** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Divyansh Divyansh](https://appshunter.io/developer/1870395698) | [伟基 陶](https://appshunter.io/developer/1872855313) |

## What reviewers say

### Polymath

[App page](https://appshunter.io/ios/app/polymath-think-plan-do/id6758142607)

**In-app purchases:** none


### One Habit

[App page](https://appshunter.io/ios/app/one-habit-routine-tracker/id6758465304)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $2.99 | per month |
| Yearly Premium | $14.99 | per year |
| Lifetime Premium | $29.99 | one-time |


## Frequently asked questions

### Is Polymath free?

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

### Is One Habit free?

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

### Do Polymath or One Habit have ads?

Neither Polymath nor One Habit shows ads.

### Which is updated more often, Polymath or One Habit?

Polymath ships an update every 3 weeks, and One Habit every 6 days. Most recently, Polymath was updated on October 5, 2026 and One Habit on October 2, 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.*