# Uknow.AI vs Studdy

The clearest difference is ads: Studdy at none against Uknow.AI's shown. Studdy also leads on rating (4.8 vs 4.6) and review sentiment (89% vs 78%). Uknow.AI's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Uknow.AI sells 10 in-app purchases, starting at $8.99 per month and Studdy sells 8 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Studdy holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 4.2K and 13K respectively. Written reviews point the same way: 78% of Uknow.AI's written reviews are positive against 89% of Studdy's.

Uknow.AI ships an update weekly, Studdy every 10 days. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Uknow.AI | Studdy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (4.2K ratings)](https://appshunter.io/ios/app/uknowai-homework-and-math-solver/id1447618956/reviews) | **[4.8 (13K ratings)](https://appshunter.io/ios/app/studdy-ai-tutor-and-math-solver/id6450114499/reviews)** |
| Number of ratings | 4.2K | **13K** |
| Positive reviews | 77.7% of reviews | **89.3% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 10 days |
| Monetization | Free with in-app purchases | Freemium |
| Size | 121 MB | 64 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Study Evolution EdTech Pte. Ltd.](https://appshunter.io/developer/1612612206) | [Studdy, LLC](https://appshunter.io/developer/1680988865) |

## What reviewers say

### Uknow.AI

[App page](https://appshunter.io/ios/app/uknowai-homework-and-math-solver/id1447618956)

This AI-powered study assistant provides instant solutions and step-by-step guidance for all subjects, from math to writing. It offers video explanations, error analysis, and 24/7 support to help students improve their grades and understanding.

**Highlights:** AI-powered homework solutions, Step-by-step guidance, Support for all subjects, Video explanations, Wrongs Review for error analysis, 24/7 instant help

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CheckMath Plus Monthly | $8.99 | per month |
| Uknow.AI Plus Monthly | $9.99 | per month |
| Uknow.AI Plus Monthly Offer | $9.99 | per month |
| CheckMath Plus Monthly | $9.99 | per month |
| Uknow.AI Plus 3 Monthly | $28.99 | per 3 months |
| Uknow.AI Plus 3 Monthly Offer | $28.99 | per 3 months |
| CheckMath Plus Yearly | $59.99 | per year |
| CheckMath Plus 6-month | $59.99 | per 6 months |
| Uknow.AI Plus Yearly | $99.99 | per year |
| CheckMath Plus Yearly | $99.99 | per year |

**What reviewers like**

- 🚀 Helps with everything and makes it easier
- 👍 Best app for anything
- 👍 Amazing app
- 👍 Awesome
- 👍 Great app

**What reviewers complain about**

- 🐛 App stops working, won't accept payment
- 🐛 Gives wrong answers
- 🐛 Disruptive ads
- 🐛 Inaccurate
- 🐛 Confusing

**Reported bugs**

- App crashing
- Incorrect answers
- Compatibility issues
- Login problems

**Requested features**

- More advanced features
- Improved accuracy
- Better free version
- Ability to do multiple problems at once
- Improved video explanations


### Studdy

[App page](https://appshunter.io/ios/app/studdy-ai-tutor-and-math-solver/id6450114499)

This AI-powered tutor assists students with homework by providing step-by-step explanations for math and science problems. It offers personalized tutoring, video tutorials, and practice problems to help improve understanding and grades.

**Highlights:** AI-powered step-by-step problem solver, Photo scanning for homework problems, Personalized 1:1 AI tutoring, Video tutorials for complex topics, Practice problem generation, Graphing for visual understanding

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Studdy Unlimited | $1.99 | per 7 days |
| Studdy Unlimited | $1.99 | per 7 days |
| Studdy Unlimited | $6.99 | per 7 days |
| Studdy Unlimited | $6.99 | per 7 days |
| Studdy Unlimited | $9.99 | per month |
| Studdy Unlimited | $19.99 | per month |
| Studdy Unlimited | $99.99 | per year |
| Studdy Unlimited | $179.99 | per year |

**What reviewers like**

- 🚀 Helpful and accurate solutions
- 👍 Detailed step-by-step explanations
- 🤖 Powerful AI assistant
- 💡 Versatile for all subjects
- 🆓 Free to use with some limitations

**What reviewers complain about**

- 🔒 Limited free usage
- 💰 Paid version required for full access
- 🐛 Occasional inaccurate solutions
- 🔍 Camera issues with some users

**Reported bugs**

- Inconsistent performance across devices
- Freezing or crashing on certain devices

**Requested features**

- More free usage allowance
- Improved accuracy and reliability
- Enhanced user interface and navigation


## Frequently asked questions

### Is Uknow.AI free?

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

### Is Studdy free?

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

### Which has better reviews, Uknow.AI or Studdy?

Studdy is rated higher. Uknow.AI averages 4.6 out of 5 from 4.2K ratings, while Studdy averages 4.8 from 13K ratings.

### Do Uknow.AI or Studdy have ads?

Uknow.AI shows ads; Studdy does not.

### Which is updated more often, Uknow.AI or Studdy?

Uknow.AI ships an update weekly, and Studdy every 10 days. Most recently, Uknow.AI was updated on November 6, 2026 and Studdy on November 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.*