# Goth AI vs Academia CSF

The clearest difference is in-app purchases: Academia CSF at none against Goth AI's 6. Academia CSF also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.6). On price and device support there is nothing between them.

Both are free to download. Goth AI sells 6 in-app purchases, starting at $6.99 per 7 days. Academia CSF asks for nothing beyond the download.

## The numbers

| Metric | Goth AI | Academia CSF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (1.6K ratings)](https://appshunter.io/ios/app/goth-ai-math-problem-solver/id6496048724/reviews)** | — |
| Number of ratings | **1.6K** | — |
| Positive reviews | 38.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | — |
| Monetization | Free with in-app purchases | — |
| Size | 94 MB | 25 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [TUME INFINITIES (HONG KONG) LIMITED](https://appshunter.io/developer/1637374477) | [Classroom.tv Inc](https://appshunter.io/developer/1023222830) |

## What reviewers say

### Goth AI

[App page](https://appshunter.io/ios/app/goth-ai-math-problem-solver/id6496048724)

This app uses AI to help you study by solving math problems, generating exam questions, and explaining concepts. It offers instant photo answers and personalized AI tutoring across various subjects.

**Highlights:** AI problem solver (scan to solve), Generate exam questions, Explain any subject, Free step-by-step instructions, Personalized AI tutor, Instant photo answers

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $6.99 | per 7 days |
| Weekly subscription | $6.99 | per 7 days |
| Monthly subscription | $9.99 | per month |
| Half-year subscription | $29.99 | per 6 months |
| Monthly subscription | $39.99 | per 7 days |
| Annual subscription | $59.99 | per year |

**What reviewers like**

- 👍 Helpful for grades
- 🚀 Really good for math and spelling
- 💡 Useful for different subjects

**What reviewers complain about**

- 🔒 Paywall for most features
- 🐛 Doesn't work as expected
- 🤔 Changed appearance from original app

**Reported bugs**

- Incorrect answers provided
- App not functioning properly

**Requested features**

- Option to use app without subscription
- More free features to help students


### Academia CSF

[App page](https://appshunter.io/ios/app/academia-csf/id6754390689)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Goth AI free?

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

### Is Academia CSF free?

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

### Do Goth AI or Academia CSF have ads?

Goth AI shows ads; Academia CSF does not.

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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.*