# Pratfoundy vs Sophia

The clearest difference is ads: Sophia at none against Pratfoundy's shown. Sophia also leads on update cadence (every 6 days vs every 2 months). Pratfoundy's advantage is iOS requirement (16.4 vs 18.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Pratfoundy sells 6 in-app purchases, starting at $1.99 per month and Sophia sells 13 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Pratfoundy ships an update every 2 months, Sophia every 6 days. The most recent releases landed on September 30, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Pratfoundy | Sophia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (108 ratings)](https://appshunter.io/ios/app/sophia-general-knowledge/id6760919622/reviews)** |
| Number of ratings | — | **108** |
| Positive reviews | — | 69.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 70 MB | 227 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [KONSTANTINS VLADISEVS](https://appshunter.io/developer/1872887617) | [Vik Studios SAS](https://appshunter.io/developer/1896332407) |

## What reviewers say

### Pratfoundy

[App page](https://appshunter.io/ios/app/pratfoundy/id6758427083)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $1.99 | per month |
| Annual Premium | $12.99 | per year |
| Support the project (small) | $1.99 | one-time |
| Support the project (medium) | $3.99 | one-time |
| Support the project (large) | $12.99 | one-time |
| Lifetime Premium | $22.99 | one-time |


### Sophia

[App page](https://appshunter.io/ios/app/sophia-general-knowledge/id6760919622)

Learn about history, science, philosophy, and more in just 10 minutes a day. This app offers short, engaging lessons with quizzes to test your knowledge and track your progress. It's designed for quick learning and better retention.

**Highlights:** Daily 10-minute lessons, Wide range of subjects, Engaging quiz format, Progress tracking, Ad-free learning experience, Focus on retention

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sophia Premium Weekly | $5.99 | per 7 days |
| Sophia Premium Annual | $8.99 | per year |
| Sophia Premium Monthly | $8.99 | per month |
| Sophia Premium Monthly | $8.99 | per month |
| Sophia Premium Annual | $17.99 | per year |
| Sophia Premium Annual Plan | $17.99 | per year |
| Sophia Premium Annual | $24.99 | per year |
| Sophia Premium Annual Plan | $24.99 | per year |
| Sophia Premium Annual | $34.99 | per year |
| Sophia Premium Annual | $34.99 | per year |
| Sophia Premium Annual | $44.99 | per year |
| Sophia Premium Annual | $49.99 | per year |
| Sophia Premium Annual | $59.99 | per year |


## Frequently asked questions

### Is Pratfoundy free?

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

### Is Sophia free?

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

### Do Pratfoundy or Sophia have ads?

Pratfoundy shows ads; Sophia does not.

### Which is updated more often, Pratfoundy or Sophia?

Pratfoundy ships an update every 2 months, and Sophia every 6 days. Most recently, Pratfoundy was updated on September 30, 2026 and Sophia on October 16, 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.*