# Qedra vs Introductory Biology Tutor

The clearest difference is ads: Introductory Biology Tutor at none against Qedra's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Qedra sells 3 in-app purchases, starting at $2.99 per month and Introductory Biology Tutor sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Qedra ships an update every 2 weeks, Introductory Biology Tutor weekly. The most recent releases landed on November 3, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Qedra | Introductory Biology Tutor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Weekly** |
| Size | 23 MB | 9 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Matthew Wong](https://appshunter.io/developer/6774040057) | [David Soulsby](https://appshunter.io/developer/1776367161) |

## What reviewers say

### Qedra

[App page](https://appshunter.io/ios/app/qedra-math-solver/id6803934326)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Qedra Pro (Monthly) | $2.99 | per month |
| Qedra Pro (Yearly) | $14.99 | per year |
| Qedra Pro (Lifetime) | $49.99 | one-time |


### 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 Qedra free?

Qedra 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 Qedra or Introductory Biology Tutor have ads?

Qedra shows ads; Introductory Biology Tutor does not.

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

Qedra ships an update every 2 weeks, and Introductory Biology Tutor weekly. Most recently, Qedra was updated on November 3, 2026 and Introductory Biology Tutor on November 10, 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.*