# Question.AI vs CENP Practice Test

The clearest difference is chart position: Question.AI at #45 against CENP Practice Test's unranked. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Question.AI sells 19 in-app purchases, starting at $6.99 per 7 days and CENP Practice Test sells 1 in-app purchase, starting at $9.00 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Question.AI | CENP Practice Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (162K ratings)](https://appshunter.io/ios/app/questionai-math-calculator/id6449486871/reviews)** | — |
| Number of ratings | **162K** | — |
| Positive reviews | 61.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#45** | — |
| Size | 152 MB | 3 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [3HOUSE](https://appshunter.io/developer/1674715909) | [Ambitionz Apps](https://appshunter.io/developer/1764753535) |

## What reviewers say

### Question.AI

[App page](https://appshunter.io/ios/app/questionai-math-calculator/id6449486871)

**Currently charting:** #45 Top Grossing · Education, #138 Top Free · Education (US App Store)

This AI chatbot app provides instant answers to your questions, acts as a personal assistant for research, translates over 140 languages, and offers intelligent writing suggestions. It's designed to simplify information gathering and enhance communication for students, professionals, and anyone seeking knowledge.

**Highlights:** Instant AI-powered answers, Personalized research assistant, 140+ language translation, Intelligent writing suggestions, User-friendly interface

**In-app purchases (19)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Question.AI Plus-Weekly | $6.99 | per 7 days |
| Question.AI Plus-Weekly | $6.99 | per 7 days |
| Question.AI Plus-Weekly | $6.99 | per 7 days |
| Question.AI Pro-Monthly | $8.99 | per month |
| Questionai Pro - Monthly | $9.99 | per month |
| Question.AI DPro - Monthly New | $9.99 | per month |
| Question.AI Plus- Monthly Free | $9.99 | per month |
| Question.AI DPro - Monthly | $9.99 | per month |
| Question.AI Plus-Monthly | $11.99 | per month |
| Question.AI Plus-Monthly | $11.99 | per month |
| Question.AI CPro - Monthly | $14.99 | per month |
| Question.AI EPro - Monthly | $14.99 | per month |
| Question.AI Plus-yearly | $34.99 | per year |
| Question.AI Pro-6 months | $39.99 | per 6 months |
| Question.AI DPro-6 months | $59.99 | per 6 months |
| Question.AI Plus - 3Month | $59.99 | per 3 months |
| Questionai Pro-yearly | $99.99 | per year |
| Question.AI CPro - yearly | $99.99 | per year |
| Question.AI Plus - Yearly | $99.99 | per year |

**What reviewers like**

- 🚀 Fast and accurate answers
- 👍 Helpful step-by-step explanations
- 💡 Covers a wide range of subjects
- 🤖 Intelligent AI assistant
- 🆓 Completely free to use

**What reviewers complain about**

- 🐛 Occasional inaccurate answers
- 🔒 Requires access to photo library
- 💰 Pushes paid subscription
- 🤔 Struggles with complex questions

**Reported bugs**

- Fails to recognize text in some images
- Inconsistent performance after updates

**Requested features**

- Option to toggle detailed explanations
- Improved graph and diagram recognition
- More accurate answers for advanced topics


### CENP Practice Test

[App page](https://appshunter.io/ios/app/cenp-practice-test/id6757372760)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CENP Practice Test | $9.00 | per month |


## Frequently asked questions

### Is Question.AI free?

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

### Is CENP Practice Test free?

CENP Practice Test is free to download, with in-app purchases available.

### Do Question.AI or CENP Practice Test have ads?

Neither Question.AI nor CENP Practice Test shows ads.

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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.*