# iCertificato vs Instasign

The clearest difference is in-app purchases: iCertificato at none against Instasign's 4. iCertificato also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Instasign sells 4 one-off in-app purchases. iCertificato asks for nothing beyond the download.

iCertificato ships an update every 2 weeks, Instasign fortnightly. The most recent releases landed on October 12, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | iCertificato | Instasign |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Size | 18 MB | 148 MB |
| Requires iOS | **12.1** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Andrea Di Francia](https://appshunter.io/developer/1337706611) | [Cyberneid](https://appshunter.io/developer/1513016785) |

## What reviewers say

### iCertificato

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

**In-app purchases:** none


### Instasign

[App page](https://appshunter.io/ios/app/instasign/id1590675539)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ADS | $0.99 | one-time |
| TimeStamp | $3.99 | one-time |
| Personal Stamp or Signature | $3.99 | one-time |
| Enable all options | $4.99 | one-time |


## Frequently asked questions

### Is iCertificato free?

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

### Is Instasign free?

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

### Do iCertificato or Instasign have ads?

Instasign shows ads; iCertificato does not.

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

iCertificato ships an update every 2 weeks, and Instasign fortnightly. Most recently, iCertificato was updated on October 12, 2026 and Instasign on October 9, 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.*