# PK SQUARE vs eSign

The clearest difference is in-app purchases: PK SQUARE at none against eSign's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. eSign sells 3 in-app purchases, starting at $4.99 per 7 days. PK SQUARE asks for nothing beyond the download.

PK SQUARE ships an update every 4 weeks, eSign fortnightly. The most recent releases landed on October 2, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | PK SQUARE | eSign |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Fortnightly** |
| Size | 44 MB | 29 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Pkushwaha Bigbuildcon Private Limited](https://appshunter.io/developer/1800432108) | [Conteza LLC](https://appshunter.io/developer/1789506252) |

## What reviewers say

### PK SQUARE

[App page](https://appshunter.io/ios/app/pk-square/id6742879460)

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

**In-app purchases:** none


### eSign

[App page](https://appshunter.io/ios/app/esign-sign-pdf-documents/id6745473764)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| E Signature | $4.99 | per 7 days |
| E Signature | $9.99 | per month |
| E Signature | $34.99 | per year |


## Frequently asked questions

### Is PK SQUARE free?

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

### Is eSign free?

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

### Do PK SQUARE or eSign have ads?

Neither PK SQUARE nor eSign shows ads.

### Which is updated more often, PK SQUARE or eSign?

PK SQUARE ships an update every 4 weeks, and eSign fortnightly. Most recently, PK SQUARE was updated on October 2, 2026 and eSign on October 12, 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.*