# Pdf Text Search vs OpenCards

The clearest difference is rating: OpenCards at 5.0 against Pdf Text Search's 3.0. OpenCards also leads on update cadence (fortnightly vs every 2 months). Pdf Text Search's advantage is iOS requirement (14.3 vs 18.6). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Pdf Text Search sells 2 in-app purchases, starting at $0.99 per month and OpenCards sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

OpenCards holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Pdf Text Search ships an update every 2 months, OpenCards fortnightly. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Pdf Text Search | OpenCards |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/pdf-text-search/id1575567631/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/opencards/id6760596083/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 8 MB | 2 MB |
| Requires iOS | **14.3** | 18.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Piryon Enterprises LLC](https://appshunter.io/developer/1575432951) | [礼 付](https://appshunter.io/developer/1487345625) |

## What reviewers say

### Pdf Text Search

[App page](https://appshunter.io/ios/app/pdf-text-search/id1575567631)

Easily find specific text within PDF documents. Import PDFs, convert them to searchable text, and locate exact phrases or keywords. Advanced features include AI training for similar text identification and TF-IDF analysis for document comparison.

**Highlights:** Search exact text or keywords, AI model for similar text identification, TF-IDF analysis for document comparison, View PDF page of search results, Save and share search entries, Augmented reality document viewing

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Subscription | $0.99 | per month |
| Tip | $0.99 | one-time |


### OpenCards

[App page](https://appshunter.io/ios/app/opencards/id6760596083)

Transform your Markdown notes into interactive knowledge cards. Organize, review, and access your information seamlessly across devices. Supports rich formatting, including math equations and code.

**Highlights:** Markdown cards with math and code highlighting, Organize cards into sections, Tags and likes with filtering, Full-screen swipe navigation, Global search, iCloud sync, GitHub Markdown import

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OpenCards Pro | $0.99 | per month |


## Frequently asked questions

### Is Pdf Text Search free?

Pdf Text Search is free to download, with in-app purchases available.

### Is OpenCards free?

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

### Which has better reviews, Pdf Text Search or OpenCards?

OpenCards is rated higher. Pdf Text Search averages 3.0 out of 5 from 2 ratings, while OpenCards averages 5.0 from 1 ratings.

### Do Pdf Text Search or OpenCards have ads?

Neither Pdf Text Search nor OpenCards shows ads.

### Which is updated more often, Pdf Text Search or OpenCards?

Pdf Text Search ships an update every 2 months, and OpenCards fortnightly. Most recently, Pdf Text Search was updated on October 4, 2026 and OpenCards 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.*