# Moleculist vs One Habit

The clearest difference is in-app purchases: Moleculist at none against One Habit's 3. One Habit's advantage is update cadence (every 6 days vs every 2 weeks) and iOS requirement (13.3 vs 17.6). 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. Moleculist asks for nothing beyond the download.

Moleculist ships an update every 2 weeks, One Habit every 6 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Moleculist | One Habit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (19 ratings)](https://appshunter.io/ios/app/moleculist/id6747411859/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 77.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Monetization | Free | — |
| Size | 142 MB | 56 MB |
| Requires iOS | 17.6 | **13.3** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Bijjol Rambhia Kiran](https://appshunter.io/developer/1821354717) | [伟基 陶](https://appshunter.io/developer/1872855313) |

## What reviewers say

### Moleculist

[App page](https://appshunter.io/ios/app/moleculist/id6747411859)

Organize your life by transforming interests into a cosmic, animated universe. Track books, movies, plants, food, games, people, and more with visually stunning displays and effortless data entry. Seamlessly integrate with other apps to capture discoveries and memories.

**Highlights:** Molecular home screen with animated universe, One-tap adding for various life elements, Automatic data extraction from websites, Detailed tracking with notes and tags, Seamless iPad experience, Smart sharing via Share Sheet, Export and backup functionality

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

**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 Moleculist free?

Moleculist 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 Moleculist or One Habit have ads?

Neither Moleculist nor One Habit shows ads.

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

Moleculist ships an update every 2 weeks, and One Habit every 6 days. Most recently, Moleculist was updated on October 30, 2026 and One Habit on October 31, 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.*