# Instasign vs Stampiz

The clearest difference is in-app purchases: Stampiz at none against Instasign's 4. Stampiz also leads on ads (none vs shown). Instasign's advantage is update cadence (fortnightly vs every 3 months) and iOS requirement (13.0 vs 15.1). On price and device support there is nothing between them.

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

Instasign ships an update fortnightly, Stampiz every 3 months. The most recent releases landed on October 9, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Instasign | Stampiz |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 3 months |
| Size | 148 MB | 15 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cyberneid](https://appshunter.io/developer/1513016785) | [STAMPIZ SRL](https://appshunter.io/developer/1775730344) |

## What reviewers say

### 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 |


### Stampiz

[App page](https://appshunter.io/ios/app/stampiz/id6737280592)

**In-app purchases:** none


## Frequently asked questions

### Is Instasign free?

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

### Is Stampiz free?

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

### Do Instasign or Stampiz have ads?

Instasign shows ads; Stampiz does not.

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

Instasign ships an update fortnightly, and Stampiz every 3 months. Most recently, Instasign was updated on October 9, 2026 and Stampiz 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.*