Comparison

Bolt Reader® vs Peco Douwes

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Real-time bolt tension information
  • Bar graph data visualization
  • Identify screws requiring attention
  • Designed for Bolt-Cap Module devices
  • Works with Transmission Dynamics hardware
Features
Read full description

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

About

Peco Douwes

Features
Read full description

Introducing the ultimate tool for engineers and technicians who need to know the right torque settings for specific bolt sizes! Our app is designed to provide accurate and easy-to-use information on bolt sizes and torque specifications. Whether you're working in offshore, construction, or any other industry that requires precise bolt tightening, our app is the perfect companion tool . With a user-friendly interface, you can quickly look up the recommended torque settings for any given bolt size, ensuring that your work is always accurate and up to code. Our app also includes a comprehensive database of bolt sizes, so you'll never have to guess which bolt to use for a particular job. And with regular updates, you can be sure that you're always working with the latest information. So why wait? Download our app today and take the guesswork out be sure about your bolt tightening!

Screenshots

Bolt Reader®4 screens
Peco Douwes4 screens

Verdict

The call

The clearest difference is in-app purchases: Peco Douwes at none against Bolt Reader®'s 1. On price, update cadence, ads and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Bolt Reader® sells 1 one-off in-app purchase. Peco Douwes asks for nothing beyond the download.

UpkeepUpdate frequency

Bolt Reader® ships an update every 5 weeks, Peco Douwes every 6 weeks. The most recent releases landed on June 4, 2026 and September 14, 2026 respectively.

Scorecard1 real difference · 8 level
Bolt Reader® versus Peco Douwes: the parameters behind the verdict, then further details
ParameterBolt Reader®Peco Douwes
PriceFreeFree
Rating5.0 (6 ratings) — better—
Number of ratings6 — better—
Update frequencyEvery 5 weeks — betterEvery 6 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS14.013.0 — better
Further details — not scored
Size24 MB15 MB
Age rating4+4+
DeveloperTransmission DynamicsLizard Apps BV

In-app purchases

1 purchases

Bolt Reader®

One-time1
  • Full version$49.99
None

Peco Douwes

No in-app purchases

Questions

Is Bolt Reader® free?
Bolt Reader® is free to download, with in-app purchases available.
Is Peco Douwes free?
Peco Douwes is free to download, with no in-app purchases.
Do Bolt Reader® or Peco Douwes have ads?
Neither Bolt Reader® nor Peco Douwes shows ads.
Which is updated more often, Bolt Reader® or Peco Douwes?
Bolt Reader® ships an update every 5 weeks, and Peco Douwes every 6 weeks. Most recently, Bolt Reader® was updated on June 4, 2026 and Peco Douwes on September 14, 2026.

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