# GRE Math Calculator 2025 vs SkoolPro

The clearest difference is in-app purchases: SkoolPro at none against GRE Math Calculator 2025's 2. GRE Math Calculator 2025's advantage is update cadence (every 8 days vs every 3 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. GRE Math Calculator 2025 sells 2 in-app purchases, starting at $4.99 per month. SkoolPro asks for nothing beyond the download.

GRE Math Calculator 2025 ships an update every 8 days, SkoolPro every 3 weeks. The most recent releases landed on September 23, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | GRE Math Calculator 2025 | SkoolPro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (5 ratings)](https://appshunter.io/ios/app/gre-math-calculator-2025/id1494427060/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | — |
| Update frequency | **Every 8 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 31 MB | 27 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PoChu. Hsu](https://appshunter.io/developer/997180843) | [Proxynet Communications Ltd](https://appshunter.io/developer/1579646022) |

## What reviewers say

### GRE Math Calculator 2025

[App page](https://appshunter.io/ios/app/gre-math-calculator-2025/id1494427060)

This app simulates the official GRE math calculator, offering features like parentheses, memory functions, and a realistic timer. It aims to help users practice calculations with the same behavior as the ETS PowerPrep tool, reducing errors and improving speed.

**Highlights:** Official ETS PowerPrep behavior simulation, Parentheses for faster calculations, Memory functions (M+, MR, MC), Thousands separator, Realistic timer, Transfer Display button

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Tutor | $4.99 | per month |
| Remove Ads | $9.99 | one-time |


### SkoolPro

[App page](https://appshunter.io/ios/app/skoolpro/id1579646020)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GRE Math Calculator 2025 free?

GRE Math Calculator 2025 is free to download, with in-app purchases available.

### Is SkoolPro free?

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

### Which is updated more often, GRE Math Calculator 2025 or SkoolPro?

GRE Math Calculator 2025 ships an update every 8 days, and SkoolPro every 3 weeks. Most recently, GRE Math Calculator 2025 was updated on September 23, 2026 and SkoolPro on October 17, 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.*