CSI vs Sign Documents
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CSI
This application is designed to collect information through surveys. It helps in segmenting consumers by gathering valuable data.
- Collect survey information
- Consumer segmentation
- Data gathering
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Aplicación Segmentación de Consumidores Aplicación para recopilar información de encuestas
Sign Documents
Easily sign and manage your documents with a built-in scanner. Digitize paper, add signatures and stamps, and share your finalized files. Supports various document types for a streamlined workflow.
- Add digital signatures
- Insert stamps
- Scan documents
- Create documents from photos
- Sign PDF, DOC, XLS
- Share and print documents
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Sign Documents with One Tap! Scan any document, sign it, and send it to your colleagues. Key Features: - Sign Documents: Easily add digital signatures to your documents. - Add Stamps: Instantly insert stamps onto documents. - Scan Documents: Use the built-in scanner to digitize paper documents. - Create Documents from Photos: Turn photos into complete documents. - Sign Any Document Type: Supports formats like PDF, DOC, XLS, and more. - Share and Print: Send documents to colleagues and print them directly from the app. Make the process of signing documents easier and faster with our app! Privacy Policy: https://signdocapp.click/privacy Terms of Use: https://signdocapp.click/terms
Screenshots
Verdict
The clearest difference is in-app purchases: CSI at none against Sign Documents's 5. CSI also leads on review sentiment (27% vs 0%). Sign Documents's advantage is update cadence (weekly vs monthly). On price, ads, device support 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. Sign Documents sells 5 in-app purchases, starting at $4.99 per 7 days. CSI asks for nothing beyond the download.
CSI ships an update monthly, Sign Documents weekly. The most recent releases landed on October 4, 2026 and October 12, 2026 respectively.
| Parameter | CSI | Sign Documents |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.8 (152 ratings) — better |
| Positive reviews | 26.9% of reviews — better | 0.0% of reviews |
| Number of ratings | — | 152 — better |
| Update frequency | Monthly | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 16 MB | 33 MB |
| Age rating | 4+ | +4 |
| Developer | MVM Ingenieria de Software S.A.S | Julia Kucharska |
Customer experience
CSI
Sign Documents
In-app purchases
CSI
No in-app purchases
Sign Documents
- Weekly PRO$4.997 Days
- Weekly PRO Subscription3 Days trial$4.997 Days
- Weekly Premium3 Days trial$9.997 Days
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- Annual PRO$29.991 Year
- Annual Premium$49.991 Year
