# Every AIDu vs Did You Know..

The clearest difference is in-app purchases: Every AIDu at none against Did You Know..'s 1. Every AIDu also leads on device support (3 vs 1) and ratings volume (3 vs 1). Did You Know..'s advantage is ads (none vs shown) and update cadence (every 5 days vs every 3 months). On price and rating there is nothing between them.

Both are free to download. Did You Know.. sells 1 one-off in-app purchase. Every AIDu asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Every AIDu against 5.0 for Did You Know... Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Every AIDu ships an update every 3 months, Did You Know.. every 5 days. The most recent releases landed on October 20, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Every AIDu | Did You Know.. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/every-aidu/id6747190128/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/did-you-know/id6761013561/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 34 MB | 4 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Haneul Jang](https://appshunter.io/developer/1783701259) | [柏生 杨](https://appshunter.io/developer/1887198371) |

## What reviewers say

### Every AIDu

[App page](https://appshunter.io/ios/app/every-aidu/id6747190128)

This app offers unlimited practice tests and personalized AI-powered review for the digital SAT. It provides targeted English and Math materials with instant feedback to help users improve their core skills and achieve their college goals.

**Highlights:** Unlimited digital SAT practice tests, Personalized AI learning, Targeted English and Math review, Instant feedback and solutions, Progress tracking and insights

**Features:** macOS Compatibility

**In-app purchases:** none


### Did You Know..

[App page](https://appshunter.io/ios/app/did-you-know/id6761013561)

Discover fascinating facts across various subjects in a quick and engaging format. This app delivers bite-sized insights without lengthy reading or pressure, making learning accessible and memorable.

**Highlights:** Short, impactful facts, Bite-sized learning, Covers science, psychology, history, Engaging swipe interface, No long reading required

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Unlimited Facts | $3.99 | one-time |


## Frequently asked questions

### Is Every AIDu free?

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

### Is Did You Know.. free?

Did You Know.. is free to download, with in-app purchases available.

### Which has better reviews, Every AIDu or Did You Know..?

Every AIDu and Did You Know.. are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do Every AIDu or Did You Know.. have ads?

Every AIDu shows ads; Did You Know.. does not.

### Which is updated more often, Every AIDu or Did You Know..?

Every AIDu ships an update every 3 months, and Did You Know.. every 5 days. Most recently, Every AIDu was updated on October 20, 2026 and Did You Know.. on October 15, 2026.

---

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