# E vs SOLVA

The clearest difference is in-app purchases: E at none against SOLVA's 2. E also leads on ads (none vs shown) and iOS requirement (12.4 vs 15.0). On price and device support there is nothing between them.

Both are free to download. SOLVA sells 2 in-app purchases, starting at $6.99 per 7 days. E asks for nothing beyond the download.

## The numbers

| Metric | E | SOLVA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 days | — |
| Size | 12 MB | 53 MB |
| Requires iOS | **12.4** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Rashmi Jain](https://appshunter.io/developer/1715242296) | [Junaid Mukadam](https://appshunter.io/developer/1365586675) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-star-book/id6471396335)

**Features:** macOS Compatibility

**In-app purchases:** none


### SOLVA

[App page](https://appshunter.io/ios/app/solva-ai-homework/id6799646009)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Study Helper Trial | $6.99 | per 7 days |
| Study Helper PRO | $19.99 | per year |


## Frequently asked questions

### Is E free?

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

### Is SOLVA free?

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

### Do E or SOLVA have ads?

SOLVA shows ads; E 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.*