# iCertificato vs OneAnswerAI

The clearest difference is in-app purchases: iCertificato at none against OneAnswerAI's 7. iCertificato also leads on ads (none vs shown) and iOS requirement (12.1 vs 16.4). On price, update cadence and device support there is nothing between them.

Both are free to download. OneAnswerAI sells 7 in-app purchases, starting at $5.99 per 7 days. iCertificato asks for nothing beyond the download.

iCertificato ships an update every 2 weeks, OneAnswerAI every 9 days. The most recent releases landed on September 26, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | iCertificato | OneAnswerAI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Size | 18 MB | 59 MB |
| Requires iOS | **12.1** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 9+ | 12+ |
| Developer | [Andrea Di Francia](https://appshunter.io/developer/1337706611) | [VALENTINO PAULON](https://appshunter.io/developer/1861136644) |

## What reviewers say

### iCertificato

[App page](https://appshunter.io/ios/app/icertificato/id1502916002)

**In-app purchases:** none


### OneAnswerAI

[App page](https://appshunter.io/ios/app/oneanswerai/id6756519049)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $5.99 | per 7 days |
| Monthly Pro | $17.99 | per month |
| 10 Text Queries | $0.99 | one-time |
| 5 Text + 1 Media | $1.99 | one-time |
| 5 Media Queries | $1.99 | one-time |
| 50 Text Queries | $3.99 | one-time |
| 100 Text Queries | $6.99 | one-time |


## Frequently asked questions

### Is iCertificato free?

iCertificato is free to download, with no in-app purchases.

### Is OneAnswerAI free?

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

### Do iCertificato or OneAnswerAI have ads?

OneAnswerAI shows ads; iCertificato does not.

### Which is updated more often, iCertificato or OneAnswerAI?

iCertificato ships an update every 2 weeks, and OneAnswerAI every 9 days. Most recently, iCertificato was updated on September 26, 2026 and OneAnswerAI on October 8, 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.*