iEngineer vs Weldbend Field Reference App
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
Weldbend Field Reference App
Access dimensional data for carbon steel butt-weld fittings and flanges. This digital companion also provides technical and general information for carbon steel pipe systems.
- Dimensional data for butt-weld fittings
- Dimensional data for flanges
- Technical information for carbon steel pipe systems
- General information for carbon steel pipe systems
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The Weldbend Field Reference Digital Companion is an app which contains dimensional data for carbon steel butt-weld fittings and flanges, as well and technical and general information pertaining to carbon steel pipe systems.
Screenshots
Verdict
The clearest difference is rating: iEngineer at 4.6 against Weldbend Field Reference App's 3.1. iEngineer also leads on review sentiment (86% vs 50%) and ratings volume (196 vs 38). Weldbend Field Reference App'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. Weldbend Field Reference App asks for nothing beyond the download.
iEngineer holds the better App Store score, 4.6 against 3.1. That said, the two scores are not equally well evidenced: iEngineer has 196 ratings behind it against 38, 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 50% of Weldbend Field Reference App's.
iEngineer ships an update every 5 months, Weldbend Field Reference App every 2 months. The most recent releases landed on September 4, 2026 and September 19, 2026 respectively.
| Parameter | iEngineer | Weldbend Field Reference App |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (196 ratings) — better | 3.1 (38 ratings) |
| Positive reviews | 85.5% of reviews — better | 50.0% of reviews |
| Number of ratings | 196 — better | 38 |
| 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, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.3 — better | 14.0 |
| Further details — not scored | ||
| Size | 27 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Perfectly Simple Apps LLC | Weldbend Corporation |
Customer experience
iEngineer
Weldbend Field Reference App
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
Weldbend Field Reference App
Not enough reviews yet to summarise bugs or requests.
In-app purchases
iEngineer
- Metric Screws$1.99
Weldbend Field Reference App
No in-app purchases
Questions
Is iEngineer free?
Is Weldbend Field Reference App free?
Which has better reviews, iEngineer or Weldbend Field Reference App?
Do iEngineer or Weldbend Field Reference App have ads?
Which is updated more often, iEngineer or Weldbend Field Reference App?
Other comparisons
