# Heap Chat vs Sign Documents

The clearest difference is in-app purchases: Heap Chat at none against Sign Documents's 7. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Sign Documents sells 7 in-app purchases, starting at $2.99 per 7 days. Heap Chat asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 6 days. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Heap Chat | Sign Documents |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 days | Every 6 days |
| Size | 6 MB | 25 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ajay Mann](https://appshunter.io/developer/1670010203) | [Taras Bublyk](https://appshunter.io/developer/1848178073) |

## What reviewers say

### Heap Chat

[App page](https://appshunter.io/ios/app/heap-chat-support-dashboard/id6747664061)

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

**In-app purchases:** none


### Sign Documents

[App page](https://appshunter.io/ios/app/sign-documents-autosign/id6754394797)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Digital Signature | $2.99 | per 7 days |
| Digital Signature | $4.99 | per 7 days |
| Digital Signature | $6.99 | per 7 days |
| Digital Signature | $9.99 | per 7 days |
| Digital Signature | $19.99 | per year |
| Digital Signature | $29.99 | per year |
| Digital Signature | $34.99 | per year |


## Frequently asked questions

### Is Heap Chat free?

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

### Is Sign Documents free?

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

### Do Heap Chat or Sign Documents have ads?

Neither Heap Chat nor Sign Documents shows ads.

### Which is updated more often, Heap Chat or Sign Documents?

Heap Chat ships an update every 6 days, and Sign Documents every 6 days. Most recently, Heap Chat was updated on October 14, 2026 and Sign Documents on October 7, 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.*