# SAT Smart Prep vs Explanova

The clearest difference is ads: Explanova at none against SAT Smart Prep's shown. Explanova also leads on update cadence (every 4 days vs every 6 weeks). SAT Smart Prep's advantage is iOS requirement (13.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. SAT Smart Prep sells 1 one-off in-app purchase and Explanova sells 4 in-app purchases, starting at $99.99 per month. Whichever you choose, the download price is not the number that matters.

SAT Smart Prep ships an update every 6 weeks, Explanova every 4 days. The most recent releases landed on October 5, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | SAT Smart Prep | Explanova |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/explanova/id6788622274/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 113 MB | 41 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hoa Nguyen Quang](https://appshunter.io/developer/1434185665) | [Explanova LLC](https://appshunter.io/developer/1896579746) |

## What reviewers say

### SAT Smart Prep

[App page](https://appshunter.io/ios/app/sat-smart-prep/id6779995945)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove all ads | $4.99 | one-time |


### Explanova

[App page](https://appshunter.io/ios/app/explanova/id6788622274)

This app provides step-by-step solutions to homework problems across STEM subjects. It features an avatar tutor who explains each micro-step on an interactive whiteboard, offering support in multiple languages. Designed for students and lifelong learners, it aims to foster understanding rather than just providing answers.

**Highlights:** Photo-based problem submission, Step-by-step whiteboard explanations, Avatar tutor with voice guidance, Multi-language support, Personalized learning paths, Parent dashboard, Ad-free learning environment

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Explorer | $99.99 | per month |
| Crew | $199.99 | per month |
| Academy | $399.99 | per month |
| Explorer | $899.99 | per year |


## Frequently asked questions

### Is SAT Smart Prep free?

SAT Smart Prep is free to download, with in-app purchases available.

### Is Explanova free?

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

### Do SAT Smart Prep or Explanova have ads?

SAT Smart Prep shows ads; Explanova does not.

### Which is updated more often, SAT Smart Prep or Explanova?

SAT Smart Prep ships an update every 6 weeks, and Explanova every 4 days. Most recently, SAT Smart Prep was updated on October 5, 2026 and Explanova on October 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*