# e vs Solvio

The clearest difference is in-app purchases: e at none against Solvio's 3. e also leads on ads (none vs shown) and update cadence (every 2 months vs every 16 months). On price and device support there is nothing between them.

Both are free to download. Solvio sells 3 in-app purchases, starting at $4.99 per 7 days. e asks for nothing beyond the download.

e ships an update every 2 months, Solvio every 16 months. The most recent releases landed on September 13, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | e | Solvio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.7 (3 ratings)](https://appshunter.io/ios/app/solvio-ai-math-solver/id6738899971/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 16 months |
| Monetization | — | Free with in-app purchases |
| Size | 39 MB | 22 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NAM d.o.o. za izdavastvo, trgovinu i usluge](https://appshunter.io/developer/1711702736) | [Thuy Nguyen](https://appshunter.io/developer/1754468520) |

## What reviewers say

### e

[App page](https://appshunter.io/ios/app/e-vin/id6469252073)

**Features:** macOS Compatibility

**In-app purchases:** none


### Solvio

[App page](https://appshunter.io/ios/app/solvio-ai-math-solver/id6738899971)

Instantly solve math problems by snapping a photo or writing them down. Get detailed, step-by-step explanations for a wide range of math subjects, from basic arithmetic to calculus. An AI chat assistant is available for further clarification.

**Highlights:** Snap photos of math problems, Recognizes printed and handwritten equations, Step-by-step solution explanations, Covers arithmetic, algebra, geometry, calculus, and more, AI chat assistant for follow-up questions, Saves solved problems to history

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Sub | $4.99 | per 7 days |
| Monthly Sub | $19.99 | per month |
| Yearly Sub | $99.99 | per year |


## Frequently asked questions

### Is e free?

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

### Is Solvio free?

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

### Do e or Solvio have ads?

Solvio shows ads; e does not.

### Which is updated more often, e or Solvio?

e ships an update every 2 months, and Solvio every 16 months. Most recently, e was updated on September 13, 2026 and Solvio 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.*