# Passlify vs Chemistry Solver

The clearest difference is iOS requirement: Passlify at 18.0 against Chemistry Solver's 26.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Passlify sells 2 in-app purchases, starting at $6.99 per 7 days and Chemistry Solver sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Passlify | Chemistry Solver |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Size | 33 MB | 14 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [STANISŁAW MAKIJENKO](https://appshunter.io/developer/1842954559) | [Harendra Chilwal](https://appshunter.io/developer/1861436368) |

## What reviewers say

### Passlify

[App page](https://appshunter.io/ios/app/passlify-ai-test-solver/id6753190620)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly Plan | $6.99 | per 7 days |
| Premium Monthly Plan | $16.99 | per month |


### Chemistry Solver

[App page](https://appshunter.io/ios/app/chemistry-solver-atomx/id6756567853)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $4.99 | per 7 days |
| Yearly Offer | $19.99 | per year |
| Yearly Premium | $39.99 | per year |


## Frequently asked questions

### Is Passlify free?

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

### Is Chemistry Solver free?

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

### Do Passlify or Chemistry Solver have ads?

Neither Passlify nor Chemistry Solver 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.*