# PDF Signer vs NORMATTER

The clearest difference is in-app purchases: NORMATTER at none against PDF Signer's 4. PDF Signer's advantage is iOS requirement (15.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PDF Signer sells 4 in-app purchases, starting at $1.99 per month. NORMATTER asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 days. Both last shipped on October 28, 2026.

## The numbers

| Metric | PDF Signer | NORMATTER |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (17 ratings)](https://appshunter.io/ios/app/pdf-signer-signing-documents/id6744299645/reviews)** | — |
| Number of ratings | **17** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 days | Every 3 days |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 32 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Teoman Gul](https://appshunter.io/developer/1772058639) | [MORIYO TAMURA](https://appshunter.io/developer/1828388351) |

## What reviewers say

### PDF Signer

[App page](https://appshunter.io/ios/app/pdf-signer-signing-documents/id6744299645)

Easily sign documents electronically without printing or scanning. Securely import PDFs, sign with your finger or saved signature, and fill out forms. Supports multi-party signing and saves your signature for future use.

**Highlights:** Electronic document signing, Local document security, PDF form filling, Reusable signature saving, Multi-party signing, Instant sharing

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Unlimited Access | $1.99 | per month |
| Monthly Unlimited Access | $1.99 | per month |
| Yearly Unlimited Access | $8.99 | per year |
| Lifetime Unlimited Access | $3.99 | one-time |


### NORMATTER

[App page](https://appshunter.io/ios/app/normatter/id6755220940)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Signer free?

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

### Is NORMATTER free?

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

### Do PDF Signer or NORMATTER have ads?

Neither PDF Signer nor NORMATTER shows ads.

### Which is updated more often, PDF Signer or NORMATTER?

PDF Signer ships an update every 3 days, and NORMATTER every 3 days. Most recently, PDF Signer was updated on October 28, 2026 and NORMATTER on October 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.*