# Knowledgy vs Ask Teacher

The clearest difference is in-app purchases: Ask Teacher at none against Knowledgy's 1. Ask Teacher also leads on iOS requirement (13.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Knowledgy sells 1 one-off in-app purchase. Ask Teacher asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Knowledgy | Ask Teacher |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (4 ratings)](https://appshunter.io/ios/app/ask-teacher-ai-study-tutor/id6503633017/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | — | Free |
| Size | 29 MB | 68 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The Datum Company](https://appshunter.io/developer/1424384309) | [FVAWI DREIN INC](https://appshunter.io/developer/1764304063) |

## What reviewers say

### Knowledgy

[App page](https://appshunter.io/ios/app/knowledgy/id1424384310)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $2.99 | one-time |


### Ask Teacher

[App page](https://appshunter.io/ios/app/ask-teacher-ai-study-tutor/id6503633017)

This AI-powered companion provides step-by-step solutions and clear explanations for complex STEM problems. It helps users master mathematics, physics, and chemistry through instant answers, data analysis, and photo recognition.

**Highlights:** Instant STEM problem solutions, Step-by-step explanations, Photo recognition for problems, Scientific data analysis, Clear explanations of physical laws, Covers basic to advanced topics

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Knowledgy free?

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

### Is Ask Teacher free?

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

### Do Knowledgy or Ask Teacher have ads?

Neither Knowledgy nor Ask Teacher shows ads.

### Which is updated more often, Knowledgy or Ask Teacher?

Knowledgy ships an update weekly, and Ask Teacher weekly. Most recently, Knowledgy was updated on October 13, 2026 and Ask Teacher on October 7, 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.*