# SimpleTools vs Introductory Biology Tutor

SimpleTools and Introductory Biology Tutor are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. SimpleTools sells 2 in-app purchases, starting at $4.99 per 7 days and Introductory Biology Tutor sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 31, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | SimpleTools | Introductory Biology Tutor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/simpletools-physics-solver/id6763109662/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Freemium | — |
| Size | 17 MB | 9 MB |
| Requires iOS | 17 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yevhenii Kniaziev](https://appshunter.io/developer/1878685835) | [David Soulsby](https://appshunter.io/developer/1776367161) |

## What reviewers say

### SimpleTools

[App page](https://appshunter.io/ios/app/simpletools-physics-solver/id6763109662)

Instantly solve physics problems with AI-powered, step-by-step explanations. Simply scan a physics problem with your device's camera to receive a clear, structured solution in seconds. Ideal for students and parents seeking to understand problem-solving methods.

**Highlights:** AI-powered physics problem solving, Photo scanning for problem input, Step-by-step solution explanations, Covers mechanics, forces, energy, electricity, and more, Unlimited solutions with premium subscription, Free daily problem solving

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $4.99 | per 7 days |
| Premium Yearly | $29.99 | per year |


### Introductory Biology Tutor

[App page](https://appshunter.io/ios/app/introductory-biology-tutor/id6814193597)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Introductory Biology Tutor Access | $4.99 | one-time |


## Frequently asked questions

### Is SimpleTools free?

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

### Is Introductory Biology Tutor free?

Introductory Biology Tutor is free to download, with in-app purchases available.

### Do SimpleTools or Introductory Biology Tutor have ads?

Neither SimpleTools nor Introductory Biology Tutor shows ads.

### Which is updated more often, SimpleTools or Introductory Biology Tutor?

SimpleTools ships an update weekly, and Introductory Biology Tutor weekly. Most recently, SimpleTools was updated on October 31, 2026 and Introductory Biology Tutor on October 26, 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.*