# Sign On PDF Documents & Forms vs TextKeep

The clearest difference is update cadence: TextKeep at every 3 days against Sign On PDF Documents & Forms's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Sign On PDF Documents & Forms sells 3 in-app purchases, starting at $4.99 per year and TextKeep sells 4 in-app purchases, starting at $8.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Sign On PDF Documents & Forms ships an update every 3 weeks, TextKeep every 3 days. The most recent releases landed on October 7, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Sign On PDF Documents & Forms | TextKeep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (268 ratings)](https://appshunter.io/ios/app/textkeep-text-message-export/id6755806247/reviews)** |
| Number of ratings | — | **268** |
| Positive reviews | — | 59.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | — | Subscription |
| Size | 25 MB | 10 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Fenuku Kekeli](https://appshunter.io/developer/1822419894) | [Robert Neagu](https://appshunter.io/developer/303515455) |

## What reviewers say

### Sign On PDF Documents & Forms

[App page](https://appshunter.io/ios/app/sign-on-pdf-documents-and-forms/id6755093290)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access for a year | $4.99 | per year |
| All Access for a month | $7.99 | per month |
| All Access | $99.99 | one-time |


### TextKeep

[App page](https://appshunter.io/ios/app/textkeep-text-message-export/id6755806247)

This app extracts text from chat screenshots, stitching them into a single conversation. It allows exporting to various formats like PDF, CSV, TXT, and JPG for legal, personal, or business archiving. It supports numerous messaging platforms and processes data securely.

**Highlights:** AI-driven text extraction from screenshots, Auto-stitch multiple screenshots, Export to PDF, CSV, TXT, and JPG, Universal chat app compatibility, Secure data processing, Printable conversation export

**Features:** Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $8.99 | per 7 days |
| Monthly | $19.99 | per month |
| Annual | $59.99 | per year |
| Annual Promo | $59.99 | per year |


## Frequently asked questions

### Is Sign On PDF Documents & Forms free?

Sign On PDF Documents & Forms is free to download, with in-app purchases available.

### Is TextKeep free?

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

### Do Sign On PDF Documents & Forms or TextKeep have ads?

Neither Sign On PDF Documents & Forms nor TextKeep shows ads.

### Which is updated more often, Sign On PDF Documents & Forms or TextKeep?

Sign On PDF Documents & Forms ships an update every 3 weeks, and TextKeep every 3 days. Most recently, Sign On PDF Documents & Forms was updated on October 7, 2026 and TextKeep 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.*