# Sapiro vs KnowDown

The clearest difference is in-app purchases: KnowDown at none against Sapiro's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Sapiro sells 3 in-app purchases, starting at $5.99 per month. KnowDown asks for nothing beyond the download.

Sapiro ships an update every 4 days, KnowDown weekly. The most recent releases landed on October 15, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Sapiro | KnowDown |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/knowdown/id6761421487/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 86 MB | 35 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [AGENCE DEBORD EURL](https://appshunter.io/developer/1538454909) | [Niklas Debbrecht](https://appshunter.io/developer/1889520130) |

## What reviewers say

### Sapiro

[App page](https://appshunter.io/ios/app/sapiro-general-knowledge-quiz/id6757706883)

Explore five distinct worlds of knowledge, from geography and history to art and nature, through engaging quiz formats. Compete in daily challenges, climb leaderboards, and unlock achievements. This ad-free app offers offline play and is suitable for the whole family.

**Highlights:** Five knowledge worlds (Geography, History, Art, Nature, Landmarks), Multiple game modes (Classic, Survival, Daily Challenge, Journeys), Global leaderboard and weekly leagues, Offline play capability, Unlockable levels, badges, and avatars, Progress tracking and daily streaks

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sapiro Pro Monthly | $5.99 | per month |
| Sapiro Pro Yearly | $44.99 | per year |
| Sapiro+ Yearly | $34.99 | one-time |


### KnowDown

[App page](https://appshunter.io/ios/app/knowdown/id6761421487)

A trivia game that measures your knowledge with an ELO rating system. Answer questions across various categories, compete on global leaderboards, and learn from your mistakes. Offers daily limits and streak bonuses.

**Highlights:** ELO rating system for skill measurement, 700+ curated trivia questions, Global leaderboards, Smart matchmaking based on ELO, Daily question limit, Day streaks and awards, Answer history for learning

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

**In-app purchases:** none


## Frequently asked questions

### Is Sapiro free?

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

### Is KnowDown free?

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

### Do Sapiro or KnowDown have ads?

Neither Sapiro nor KnowDown shows ads.

### Which is updated more often, Sapiro or KnowDown?

Sapiro ships an update every 4 days, and KnowDown weekly. Most recently, Sapiro was updated on October 15, 2026 and KnowDown on October 4, 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.*