# Master One vs IdeaVault

The clearest difference is in-app purchases: IdeaVault at none against Master One's 1. IdeaVault also leads on ads (none vs shown). Master One's advantage is iOS requirement (16.6 vs 18.5). On price and device support there is nothing between them.

Both are free to download. Master One sells 1 one-off in-app purchase. IdeaVault asks for nothing beyond the download.

## The numbers

| Metric | Master One | IdeaVault |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/master-one-habit-builder/id6504889928/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 3 MB | 1 MB |
| Requires iOS | **16.6** | 18.5 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mary Ogawa](https://appshunter.io/developer/1615657857) | [Vsega Mega d.o.o](https://appshunter.io/developer/1843970882) |

## What reviewers say

### Master One

[App page](https://appshunter.io/ios/app/master-one-habit-builder/id6504889928)

This app guides you in building habits by focusing on one at a time. You can set custom durations, track your progress and streaks, and review your completed habits. It offers a clean, distraction-free interface with options to archive or restart habits.

**Highlights:** One habit focus, Custom habit durations, Streak and history tracking, Mastered habits archive, Minimalist design, Archive and restart habits, Strict mode for perfect streaks

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LIFE_PURCHASE | $0.99 | one-time |


### IdeaVault

[App page](https://appshunter.io/ios/app/ideavault-future-ideas/id6766651532)

**In-app purchases:** none


## Frequently asked questions

### Is Master One free?

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

### Is IdeaVault free?

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

### Do Master One or IdeaVault have ads?

Master One shows ads; IdeaVault does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*