# Expression Solver vs Leap

The clearest difference is in-app purchases: Expression Solver at none against Leap's 7. Expression Solver also leads on iOS requirement (15.0 vs 17.0). Leap's advantage is update cadence (every 2 weeks vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. Leap sells 7 in-app purchases, starting at $2.99 per month. Expression Solver asks for nothing beyond the download.

Expression Solver ships an update monthly, Leap every 2 weeks. The most recent releases landed on September 17, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Expression Solver | Leap |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Ad-supported | — |
| Size | 47 MB | 125 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Francesco Varotti](https://appshunter.io/developer/1501752853) | [Leap S.R.L.S.](https://appshunter.io/developer/1843312412) |

## What reviewers say

### Expression Solver

[App page](https://appshunter.io/ios/app/expression-solver/id1555902561)

This app provides step-by-step solutions for mathematical expressions, helping users improve their math skills. It features a specialized keyboard for easy input of complex numbers and offers practice exercises with detailed explanations.

**Highlights:** Instant expression solving, Step-by-step explanations, Math keyboard for complex input, Practice exercises with solutions, Intuitive interface

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

**In-app purchases:** none


### Leap

[App page](https://appshunter.io/ios/app/leap-ai-study-assistant/id6742512702)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Leap Lite | $2.99 | per month |
| Leap Pro one month | $7.99 | per month |
| Leap Pro one year | $59.99 | per year |
| 100 Leaps | $2.99 | one-time |
| 200 Leaps | $5.99 | one-time |
| 500 Leaps | $11.99 | one-time |
| 1000 Coins | $22.99 | one-time |


## Frequently asked questions

### Is Expression Solver free?

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

### Is Leap free?

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

### Do Expression Solver or Leap have ads?

Both Expression Solver and Leap show ads.

### Which is updated more often, Expression Solver or Leap?

Expression Solver ships an update monthly, and Leap every 2 weeks. Most recently, Expression Solver was updated on September 17, 2026 and Leap on September 13, 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.*