Bolt Reader® vs Photo PDF
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Bolt Reader®
This application provides users with real-time bolt tension data through intuitive bar graphs. It is specifically designed to work with Bolt-Cap Module devices from Transmission Dynamics, helping users quickly identify screws needing attention.
- Real-time bolt tension information
- Bar graph data visualization
- Identify screws requiring attention
- Designed for Bolt-Cap Module devices
- Works with Transmission Dynamics hardware
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Thanks to the innovative undertaking of creating the Bolt Reader® application, users have constant access to information on bolt tension. Information is presented in the form of bar graphs, which allows you to quickly spot screws that require attention. This application is specifically designed for Bolt-Cap Module devices produced by Transmission Dynamics. Transmission Dynamics; Redefining the Status Quo
Photo PDF
Transform your images into PDF documents with precise resizing and custom layouts. Print your creations directly from your device to a wireless printer.
- Convert photos to PDF
- Select up to 20 photos
- 40 standard page sizes
- Custom page sizes
- Custom photo layout
- Crop images
- Export to PDF
- Print wirelessly
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Easily convert your photos to a pdf page. Resize with precision and print directly from your iPhone. | Select your Photos. Select up to 20 photos from your gallery or iCloud. | 40 Page Sizes. Select from our database of 40 standard page sizes for printing. Add your own custom size for your printer or frame. | Custom Layout Rearrange your photos in a custom layout. Easily move photos in any part of the page. Crop your images to the desired size. | Export to PDF Export your canvas in PDF. Share it via Airdrop, email, or your contacts. Print it directly from your phone on your wireless printer.
Screenshots
Verdict
The clearest difference is in-app purchases: Photo PDF at none against Bolt Reader®'s 1. Photo PDF also leads on ratings volume (214 vs 7) and iOS requirement (12.0 vs 14.0). Bolt Reader®'s advantage is rating (4.7 vs 4.4). On price, update cadence, ads and monetization model 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. Bolt Reader® sells 1 one-off in-app purchase. Photo PDF asks for nothing beyond the download.
Bolt Reader® holds the better App Store score, 4.7 against 4.4. That said, the two scores are not equally well evidenced: Photo PDF has 214 ratings behind it against 7, so its average is the more settled of the two.
Bolt Reader® ships an update every 5 weeks, Photo PDF every 2 months. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.
| Parameter | Bolt Reader® | Photo PDF |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (7 ratings) — better | 4.4 (214 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 7 | 214 — better |
| Update frequency | Every 5 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 14.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 24 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Transmission Dynamics | Fitness Labs |
Customer experience
Bolt Reader®
Photo PDF
In-app purchases
Bolt Reader®
- Full version$49.99
Photo PDF
No in-app purchases
Questions
Is Bolt Reader® free?
Is Photo PDF free?
Which has better reviews, Bolt Reader® or Photo PDF?
Do Bolt Reader® or Photo PDF have ads?
Which is updated more often, Bolt Reader® or Photo PDF?
Other comparisons
