# E4B vs ProfAI

The clearest difference is update cadence: ProfAI at weekly against E4B's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. E4B sells 3 in-app purchases, starting at $1.99 per month and ProfAI sells 4 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

E4B ships an update monthly, ProfAI weekly. The most recent releases landed on August 10, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | E4B | ProfAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (3 ratings)](https://appshunter.io/ios/app/profai-math-solver-and-homework/id6739035665/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 46 MB | 100 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CARLOS GOMES DE OLIVEIRA](https://appshunter.io/developer/1576926646) | [Roberto Diaz Badra](https://appshunter.io/developer/1665459628) |

## What reviewers say

### E4B

[App page](https://appshunter.io/ios/app/e4b/id1599766670)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Assinatura Mensal | $1.99 | per month |
| Assinatura Semestral | $9.99 | per 6 months |
| Assinatura Anual | $14.99 | per year |


### ProfAI

[App page](https://appshunter.io/ios/app/profai-math-solver-and-homework/id6739035665)

This app acts as a personal math tutor, allowing users to snap photos of problems for instant, step-by-step solutions. It covers various math levels and topics, offering an AI chat assistant for real-time concept clarification.

**Highlights:** Photo recognition for math problems, Step-by-step solution explanations, AI chat tutor for concepts, Covers algebra, geometry, calculus, User-friendly interface

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $4.99 | per 7 days |
| Monthly Subscription | $9.99 | per month |
| Yearly Subscription | $29.99 | per year |
| Lifetime Offer | $49.99 | one-time |


## Frequently asked questions

### Is E4B free?

E4B is free to download, with in-app purchases available.

### Is ProfAI free?

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

### Do E4B or ProfAI have ads?

Neither E4B nor ProfAI shows ads.

### Which is updated more often, E4B or ProfAI?

E4B ships an update monthly, and ProfAI weekly. Most recently, E4B was updated on August 10, 2026 and ProfAI on June 1, 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.*