iEngineer vs Nord
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iEngineer
Access a vast database of screw and bolt information, including dimensions, material grades, and strength properties for both US and metric fasteners. Features a comprehensive drill chart, unit conversion, and customizable material displays.
- Extensive US screw database
- Metric screw database (in-app purchase)
- Detailed dimensions and material grades
- Strength, torque, and clamp force data
- Head markings and 3D head models
- Comprehensive drill chart
- Unit conversion and data export
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iEngineer is the most comprehensive database of screw/bolt information that you can find anywhere. US screws: -93 different screws from #0 to 4” -Dimensions for 9 standard head styles -74 material grades including SAE, ASTM, and other materials Metric Screws (available as in-app purchase): -210 different metric screws from M1.0 to M100 -Dimensions for 10 standard head styles for ISO, DIN, BS, and ANSI standards where available -86 material grades including 12 additional metric grades, SAE, ASTM, and other materials Displayed values for both the US and Metric screws include: -Standard dimensions -Tap sizes -Clearance hole sizes -Material strength -Recommended torque values -Clamp force -Shear force -Head markings display -3D model of head type -Standard dimensions of head type Other features: -Drill chart with 523 drill bit sizes -Fraction chart -Copy and paste data values -Fast and easy unit conversion -Ability to show/hide material grades in the interface so you only see what is relevant to you If you have any questions please contact us at support@perfectlysimpleapps.com
Nord
Access essential bolting information and calculations directly from your mobile device. Quickly find fastener dimensions, calculate torque and preload, and select the right hydraulic bolt tensioning tools for your applications.
- Bolt Load Calculator
- Fastener Standards lookup
- Torque and Preload calculation
- ISO standard dimensions
- Hydraulic bolt tensioning tool selection
- Save multiple calculations
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Whether you are looking for an easy method to calculate torque or a quick way to find fastener dimensions – we have the solutions for you. The Nord-Lock Toolkit allows you to access the information you need directly from your mobile device – so instead of worrying about bringing the correct documents to site, you can concentrate on solving bolting challenges. The tools included are: - Bolt+ Load Calculator The Boltplus Load Calculator will assist you in selecting the right hydraulic bolt tensioning tool for your standard flange application, or enquire for specialized tooling. Easily save multiple calculations, send inquiries regarding the tools and complete a custom tool request including uploading photos, drawings and CAD files - without leaving the NordLock Toolkit app! - Fastener Standards Created in cooperation with the Swedish Standards Institute (SSI) this tool allows you to find bolt dimensions directly from your mobile device. Simply enter the bolt size and length and you will be presented with dimensions that conform to ISO standards. No need to carry around any ISO table or bolt size charts anymore. - Torquelator Torquelator calculates preload and the corresponding torque for bolted joints secured with Nord-Lock original washers and Nord-Lock X-series washers. Two calculation methods are supported: Kellermann&Klein and VDI2230. Easily make calculations on-site, without having to carry a brochure around with you. - The Nord-Lock Group The Nord-Lock Group is a world leader in secure bolted solutions. Our mission is to safeguard human lives and customer investments. The Nord-Lock Group has been providing customers with high-quality, safe and innovative bolting solutions since 1982. Supporting our global customer base is our priority and you can find subsidiaries of our expanding sales organization in Europe, Americas and Asia. We also have a worldwide distribution network through sales partners and authorized distributors that will support you even if we do not currently have an office in your region. The Nord-Lock Group is wholly owned by Investment AB Latour, a company listed on the Stockholm Stock Exchange. Investment AB Latour is dedicated to the expansion of the Group and has supported our goals to continuously provide our customers with the best bolting solutions in the industry. This has included the acquisition of Superbolt Inc and P&S Vorspannsysteme AG (today Nord-Lock AG), in 2011; Boltight Limited, a leading hydraulic bolt tensioning company, in 2015 and the Expander System, an established company with the advanced solution to pivot wear, in 2016. These expansions bring together the most innovative and trusted bolt securing technologies in the world. The combined competence in our Group allows us to serve you, our global customers, with an impressive line-up of safe and cost-effective solutions for your critical applications.
Screenshots
Verdict
The clearest difference is review sentiment: iEngineer at 86% against Nord's 0%. iEngineer also leads on rating (4.5 vs 1.0) and ratings volume (201 vs 1). Nord's advantage is in-app purchases (none vs 1) and update cadence (every 2 months vs every 5 months). On price, 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
Both are free to download. iEngineer sells 1 one-off in-app purchase. Nord asks for nothing beyond the download.
iEngineer holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: iEngineer has 201 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 86% of iEngineer's written reviews are positive against 0% of Nord's.
iEngineer ships an update every 5 months, Nord every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | iEngineer | Nord |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (201 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 85.5% of reviews — better | 0.0% of reviews |
| Number of ratings | 201 — better | 1 |
| Update frequency | Every 5 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 26.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 12 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Perfectly Simple Apps LLC | Nord-Lock Group |
Customer experience
iEngineer
Nord
Bugs and requests
iEngineer
Reported bugs
2 issues- Metric portion not working for some users
- Camera access request for no apparent reason
Requested features
4 requests- Add tap drill chart
- Include clearance hole fits
- Improve UI for larger displays
- Add French language support
Nord
Not enough reviews yet to summarise bugs or requests.
In-app purchases
iEngineer
- Metric Screws$1.99
Nord
No in-app purchases
Questions
Is iEngineer free?
Is Nord free?
Which has better reviews, iEngineer or Nord?
Do iEngineer or Nord have ads?
Which is updated more often, iEngineer or Nord?
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