# iSign vs IFDA

The clearest difference is review sentiment: iSign at 100% against IFDA's 0%. iSign also leads on rating (5.0 vs 1.0) and update cadence (fortnightly vs every 2 months). IFDA's advantage is in-app purchases (none vs 4) and iOS requirement (13.0 vs 18.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. iSign sells 4 in-app purchases, starting at $0.99 per month. IFDA asks for nothing beyond the download.

iSign holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 100% of iSign's written reviews are positive against 0% of IFDA's.

iSign ships an update fortnightly, IFDA every 2 months. Both last shipped on September 29, 2026.

## The numbers

| Metric | iSign | IFDA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/isign-pdf-reader-ai-editor/id6444390217/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/ifda/id6444909624/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 69 MB | 36 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Bruno Wide](https://appshunter.io/developer/1262013609) | [AL MURABA COMPANY FOR INFORMATION TECHNOLOGY, RESEARCH AND TRAINING](https://appshunter.io/developer/1541210309) |

## What reviewers say

### iSign

[App page](https://appshunter.io/ios/app/isign-pdf-reader-ai-editor/id6444390217)

Transform any document into a searchable, signable PDF. Scan, organize, and edit with AI-powered summaries and OCR. Your data remains private on your device.

**Highlights:** Scan documents to PDF, Automatic edge detection, Edit and sign documents, OCR text recognition, AI-powered summaries, On-device data storage

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scanner Pro - Monthly Promo | $0.99 | per month |
| Scanner Pro - Monthly | $1.99 | per month |
| Scanner Pro - Yearly Promo | $9.99 | per year |
| Scanner Pro - Yearly | $19.99 | per year |


### IFDA

[App page](https://appshunter.io/ios/app/ifda/id6444909624)

This beta application allows users to manage Ministry of Health registration cases. You can view your information, track cases, add comments, and upload necessary files to complete transactions.

**Highlights:** View personal information, Follow up on cases, Add comments to cases, Send cases for review, Upload attachments, Add actions to cases

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iSign free?

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

### Is IFDA free?

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

### Which has better reviews, iSign or IFDA?

iSign is rated higher. iSign averages 5.0 out of 5 from 1 ratings, while IFDA averages 1.0 from 1 ratings.

### Do iSign or IFDA have ads?

Neither iSign nor IFDA shows ads.

### Which is updated more often, iSign or IFDA?

iSign ships an update fortnightly, and IFDA every 2 months. Most recently, iSign was updated on September 29, 2026 and IFDA on September 29, 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.*