# Source vs Premise One

The clearest difference is in-app purchases: Premise One at none against Source's 9. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Source sells 9 in-app purchases, starting at $14.99 per month. Premise One asks for nothing beyond the download.

## The numbers

| Metric | Source | Premise One |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/premise-one/id6794781894/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | — | Free |
| Size | 313 MB | 189 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Super Real Inc](https://appshunter.io/developer/1891188531) | [NASIF FRANKLIN](https://appshunter.io/developer/6794781896) |

## What reviewers say

### Source

[App page](https://appshunter.io/ios/app/source-find-yourself/id6761737790)

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Seeker Monthly | $14.99 | per month |
| Committed Membership | $24.99 | per month |
| Committed Membership (3-months) | $69.99 | per 3 months |
| Committed Membership (6 months) | $125.99 | per 6 months |
| Seeker Annually | $149.99 | per year |
| Committed Membership (1-year) | $229.00 | per year |
| Coins 50 | $5.99 | one-time |
| Coins 120 | $12.99 | one-time |
| 300 Coins | $24.99 | one-time |


### Premise One

[App page](https://appshunter.io/ios/app/premise-one/id6794781894)

This app teaches critical thinking and reasoning skills through structured lessons on logic, from fundamental concepts to advanced formal and philosophical topics. It helps users identify fallacies, analyze arguments, and strengthen their understanding with interactive exercises and quizzes.

**Highlights:** Structured logic lessons, Formal and philosophical logic, Identifying logical fallacies, Argument analysis, Interactive exercises, Practice questions and quizzes

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Source free?

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

### Is Premise One free?

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

### Do Source or Premise One have ads?

Neither Source nor Premise One shows ads.

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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.*