sign vs Paperparrot
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
sign
This app provides a secure second factor for authenticating qualified electronic signatures. It ensures your online signatures are legally compliant and protected.
- eIDAS-compliant remote signature solution
- Legally sign electronic documents
- Second factor authentication for QES
- Recommended for qualified electronic signature approval
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sign-me is the eIDAS-compliant remote signature solution from D-Trust, a part of the Bundesdruckerei Gruppe. You can legally sign your electronic documents with with sign-me. In order to sign your document with an eIDAS qualified electronic signature (QES), the signature process must be authenticated by means of a second factor (2FA). This second factor authentication can be done by using the sign-me 2FA app. D-Trust recommends the use of the sign-me 2FA app for the approval of qualified electronic signatures. You can find more information at www.sign-me.de.
Paperparrot
Organize your documents effortlessly with this native client for Paperless-ngx. Upload, scan, and secure files in various formats. Enjoy offline access, custom views, and powerful search capabilities.
- Connect to multiple Paperless-ngx instances
- Add documents in various formats
- Scan documents via camera or network scanner
- Secure documents with Face/Touch ID
- Extensive search and Spotlight support
- Create custom document views
- Offline document synchronization
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Paperparrot is an app designed to make organizing your documents easy and it's completely compatible with Paperless-ngx. Features: - Connect to multiple Paperless-ngx-Instances - Add documents in various formats like PDF, JPEG, PNG, TXT or office documents - Scan documents from right within Paperparrot using your phones camera or an Airscan-capable network scanner - Secure your documents using Face-/Touch-ID - Extensive search capabilities - Support for Spotlight search to find documents from your home screen - Create custom views to easily access sets of documents - Share documents to Paperparrot from other apps - Synchronize documents from your Paperless-ng(x) server to your device for offline access - Built in support for push notifications from your server (additional setup required)* - Dark mode! * The free version of Paperparrot is limited to six documents and some features like custom queries and push notifications are unavailable. These limitation can be removed through an in-app purchase. There is both a one-time purchase or an optional auto-renewing subscription (1 month free trial included). The one-time purchase unlocks all current and future updates. With the subscription, all features are available for the duration of your subscription. Both the subscription and one-time purchase can be shared with your family. Paperparrot is licensed under the Apple standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is review sentiment: Paperparrot at 87% against sign's 40%. Paperparrot also leads on update cadence (every 5 weeks vs every 9 months) and device support (3 vs 1). sign's advantage is in-app purchases (none vs 6). On price, ads and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Paperparrot sells 6 in-app purchases, starting at $2.99 per year. sign asks for nothing beyond the download.
sign ships an update every 9 months, Paperparrot every 5 weeks. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.
| Parameter | sign | Paperparrot |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (17 ratings) — better |
| Positive reviews | 40.0% of reviews | 86.8% of reviews — better |
| Number of ratings | — | 17 — better |
| Update frequency | Every 9 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone | iPhone, iPad, Mac — better |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 11 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | D-Trust GmbH | Leo Wehrfritz |
Customer experience
sign
Paperparrot
Bugs and requests
sign
Not enough reviews yet to summarise bugs or requests.
Paperparrot
Reported bugs
12 issues- App crashes on start
- Everything disappeared
- Saved views in Paperless are mixed with other documents in the app
- Custom fields and their values are not displayed correctly
- Filtering by custom field values does not work
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- Custom views based on custom fields do not work
- Constant reloading needed when documents change
- App stalls and doesn't let you choose another instance if current is not working
- Duplicate imports of documents
- Data loss in remaining entries after removing duplicates
- Not all PDF files can be opened (e.g., converted EML files)
- Scanner search is unreliable
Requested features
12 requests- AI assistant for document questions (like Gemini Notebook)
- Integration with Openrouter for AI
- Chinese language support
- Improved multi-edit functionality (e.g., 'Select' button, bottom toolbar)
- Integration with Files app
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- Option to change theme colors
- Scanner remembers last used options
- Notification upon completion of large document processing
- Ability to select tags without the list disappearing
- Use archived document for display instead of original
- Copy-paste document capture
- Support for opening converted EML files directly
In-app purchases
sign
No in-app purchases
Paperparrot
- Subscription (1 Year)1 Month trial$2.991 Year
- Generous Tip$0.99
- Very Generous Tip$2.99
- Subscription (1 Year)$2.99
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- Unlock All Features$4.99
- Super Generous Tip$9.99
