# Expert Sign vs T6 Transforming Surfaces

The clearest difference is in-app purchases: T6 Transforming Surfaces at none against Expert Sign's 1. T6 Transforming Surfaces also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Expert Sign sells 1 one-off in-app purchase. T6 Transforming Surfaces asks for nothing beyond the download.

Expert Sign ships an update every 2 months, T6 Transforming Surfaces every 6 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | Expert Sign | T6 Transforming Surfaces |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (7 ratings)](https://appshunter.io/ios/app/expert-sign-esign-pdf-docs/id1615025432/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 15 MB | 421 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Julien meyer](https://appshunter.io/developer/285361686) | [CGArtefacts SRL](https://appshunter.io/developer/1477051341) |

## What reviewers say

### Expert Sign

[App page](https://appshunter.io/ios/app/expert-sign-esign-pdf-docs/id1615025432)

Easily sign documents and photos directly on your iPhone. Save your signature and apply it to PDFs or images, then share them instantly. Ideal for quick document signing on the go.

**Highlights:** Draw and save multiple signatures, Import handwritten signatures, Sign PDFs and document photos, Add dates with one tap, Resize and position signatures, Export via email or other apps

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Expert Sign | $1.99 | one-time |


### T6 Transforming Surfaces

[App page](https://appshunter.io/ios/app/t6-transforming-surfaces/id1666815376)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Expert Sign free?

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

### Is T6 Transforming Surfaces free?

T6 Transforming Surfaces is free to download, with no in-app purchases.

### Do Expert Sign or T6 Transforming Surfaces have ads?

Expert Sign shows ads; T6 Transforming Surfaces does not.

### Which is updated more often, Expert Sign or T6 Transforming Surfaces?

Expert Sign ships an update every 2 months, and T6 Transforming Surfaces every 6 weeks. Most recently, Expert Sign was updated on November 3, 2026 and T6 Transforming Surfaces on November 3, 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.*