# Pdf Text Search vs Keyboard DFU Tool

The clearest difference is price: Pdf Text Search at Free against Keyboard DFU Tool's $0.99. Keyboard DFU Tool's advantage is rating (5.0 vs 3.0) and in-app purchases (none vs 2). On review sentiment, ratings volume, ads and device support there is nothing between them.

Pdf Text Search is free to download; Keyboard DFU Tool costs $0.99 up front. Pdf Text Search sells 2 in-app purchases, starting at $0.99 per month. Keyboard DFU Tool asks for nothing beyond the download.

Keyboard DFU Tool holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Pdf Text Search ships an update every 2 months, Keyboard DFU Tool every 2 days. The most recent releases landed on October 21, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Pdf Text Search | Keyboard DFU Tool |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/pdf-text-search/id1575567631/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/keyboard-dfu-tool/id1601924148/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Freemium | **Free** |
| Size | 8 MB | 12 MB |
| Requires iOS | 14.3 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Piryon Enterprises LLC](https://appshunter.io/developer/1575432951) | [赵杰 李](https://appshunter.io/developer/1560760447) |

## 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 |


### Keyboard DFU Tool

[App page](https://appshunter.io/ios/app/keyboard-dfu-tool/id1601924148)

This utility app automatically upgrades the firmware for Bluetooth keyboards connected to iPads. It searches for and identifies compatible keyboards, then downloads and installs the appropriate firmware based on user selection.

**Highlights:** Automatic Bluetooth keyboard firmware upgrade, Search and identify iPad Bluetooth keyboards, Automatic firmware download, User-selected firmware installation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pdf Text Search free?

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

### Is Keyboard DFU Tool free?

Keyboard DFU Tool costs $0.99, with no in-app purchases.

### Which has better reviews, Pdf Text Search or Keyboard DFU Tool?

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

### Do Pdf Text Search or Keyboard DFU Tool have ads?

Neither Pdf Text Search nor Keyboard DFU Tool shows ads.

### Which is updated more often, Pdf Text Search or Keyboard DFU Tool?

Pdf Text Search ships an update every 2 months, and Keyboard DFU Tool every 2 days. Most recently, Pdf Text Search was updated on October 21, 2026 and Keyboard DFU Tool on October 8, 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.*