# Biology Solver vs Topdeck

The clearest difference is device support: Biology Solver at 3 against Topdeck's 1. Biology Solver also leads on iOS requirement (15.6 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Biology Solver sells 2 in-app purchases, starting at $4.99 per 7 days and Topdeck sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Biology Solver | Topdeck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (27 ratings)](https://appshunter.io/ios/app/biology-solver-answer-helper/id6736764300/reviews)** | — |
| Number of ratings | **27** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 days |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 2 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Irma Dolidze](https://appshunter.io/developer/1772884262) | [Shenzhen Taizhi Wansi Technology Co., Ltd.](https://appshunter.io/developer/822018993) |

## What reviewers say

### Biology Solver

[App page](https://appshunter.io/ios/app/biology-solver-answer-helper/id6736764300)

Instantly solve biology questions by taking a photo or typing them in. Receive comprehensive answers with explanations and maintain a history of your past queries. Ideal for students and professionals needing swift, precise biological assistance.

**Highlights:** Photo-based problem solving, Text-based question input, Detailed answer explanations, History tracking, Quick and accurate solutions

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Biology Solver Weekly Pro | $4.99 | per 7 days |
| Biology Solver Weekly Trial | $4.99 | per 7 days |


### Topdeck

[App page](https://appshunter.io/ios/app/topdeck-game-save-editor/id6807263942)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Topdeck Pro — Monthly | $6.99 | per month |
| Topdeck Pro — Yearly | $39.99 | per year |


## Frequently asked questions

### Is Biology Solver free?

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

### Is Topdeck free?

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

### Do Biology Solver or Topdeck have ads?

Neither Biology Solver nor Topdeck shows ads.

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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.*