# Solution AI vs CertAI

The clearest difference is iOS requirement: Solution AI at 15.1 against CertAI's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Solution AI sells 3 in-app purchases, starting at $4.99 per 7 days and CertAI sells 2 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

Solution AI ships an update monthly, CertAI every 3 weeks. The most recent releases landed on October 11, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Solution AI | CertAI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 35 MB | 8 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Emir Simsek](https://appshunter.io/developer/1820897950) | [JunSoft Mobile Inc.](https://appshunter.io/developer/338527432) |

## What reviewers say

### Solution AI

[App page](https://appshunter.io/ios/app/solution-ai-problem-solver/id6747352034)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $4.99 | per 7 days |
| Pro Monthly | $14.99 | per month |
| Pro Yearly | $199.99 | per year |


### CertAI

[App page](https://appshunter.io/ios/app/certai-aws-comptia-exam-prep/id6760124211)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CertAI Pro Monthly | $19.99 | per month |
| CertAI Pro Yearly | $140.99 | per year |


## Frequently asked questions

### Is Solution AI free?

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

### Is CertAI free?

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

### Do Solution AI or CertAI have ads?

Neither Solution AI nor CertAI shows ads.

### Which is updated more often, Solution AI or CertAI?

Solution AI ships an update monthly, and CertAI every 3 weeks. Most recently, Solution AI was updated on October 11, 2026 and CertAI on October 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.*