# IG SMART vs Interlink Space

IG SMART and Interlink Space are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

IG SMART ships an update monthly, Interlink Space every 2 months. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | IG SMART | Interlink Space |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/ig-smart/id1615370259/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | — |
| Size | 70 MB | 161 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Intesi Group S.p.A.](https://appshunter.io/developer/589486223) | [Interlink Space GmbH](https://appshunter.io/developer/1604156489) |

## What reviewers say

### IG SMART

[App page](https://appshunter.io/ios/app/ig-smart/id1615370259)

Easily and securely apply digital signatures to your documents directly from your device. Your files remain local, ensuring confidentiality and compliance with GDPR regulations. Supports various authorization methods for a smooth signing experience.

**Highlights:** Apply digital signatures, Secure local signing, GDPR compliant, Multiple authorization methods, eIDAS Regulation compliant

**In-app purchases:** none


### Interlink Space

[App page](https://appshunter.io/ios/app/interlink-space/id6756496058)

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

**In-app purchases:** none


## Frequently asked questions

### Is IG SMART free?

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

### Is Interlink Space free?

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

### Do IG SMART or Interlink Space have ads?

Neither IG SMART nor Interlink Space shows ads.

### Which is updated more often, IG SMART or Interlink Space?

IG SMART ships an update monthly, and Interlink Space every 2 months. Most recently, IG SMART was updated on October 7, 2026 and Interlink Space on October 2, 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.*