# Meritline vs Chemistry Solver.

The clearest difference is update cadence: Chemistry Solver. at every 4 months against Meritline's every 11 months. Chemistry Solver. also leads on iOS requirement (13.4 vs 15.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Meritline sells 10 one-off in-app purchases and Chemistry Solver. sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Meritline ships an update every 11 months, Chemistry Solver. every 4 months. The most recent releases landed on October 5, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Meritline | Chemistry Solver. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (77 ratings)](https://appshunter.io/ios/app/chemistry-solver/id6502180412/reviews)** |
| Number of ratings | — | **77** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 4 months** |
| Monetization | — | Free with in-app purchases |
| Size | 146 MB | 30 MB |
| Requires iOS | 15.5 | **13.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Online Learning](https://appshunter.io/developer/1790866777) | [The App Studio](https://appshunter.io/developer/1729539256) |

## What reviewers say

### Meritline

[App page](https://appshunter.io/ios/app/meritline/id6478960210)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Package - CD | $199.99 | one-time |
| Package - CH | $299.99 | one-time |
| Package - CI | $349.99 | one-time |
| Package - CJ | $399.99 | one-time |
| Package - CK | $449.99 | one-time |
| Package - CL | $499.99 | one-time |
| Package - CM | $599.99 | one-time |
| Package - CN | $699.99 | one-time |
| Package - CO | $799.99 | one-time |
| Package - CP | $899.99 | one-time |


### Chemistry Solver.

[App page](https://appshunter.io/ios/app/chemistry-solver/id6502180412)

Instantly solve chemistry problems by taking a photo. An AI tutor provides step-by-step explanations to help you understand concepts and complete homework. Practice your skills with a variety of problems.

**Highlights:** Photo to solution, Interactive AI Tutor, Step-by-step guidance, Practice mode, Ad-free experience (with subscription)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $6.99 | per 7 days |
| Weekly Subscription | $6.99 | per 7 days |
| Yearly Subscription | $39.99 | per year |


## Frequently asked questions

### Is Meritline free?

Meritline 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 Meritline or Chemistry Solver. have ads?

Neither Meritline nor Chemistry Solver. shows ads.

### Which is updated more often, Meritline or Chemistry Solver.?

Meritline ships an update every 11 months, and Chemistry Solver. every 4 months. Most recently, Meritline was updated on October 5, 2026 and Chemistry Solver. on September 28, 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.*