Comparison

iAlignShaft vs WeldOffice

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

Head to head
About

iAlignShaft

Read full description

iShaftAlign is a simple and user-friendly application that has been designed to help you in aligning equipment shafts. The process of ensuring that two shafts are colinear is a very important step in maintenance. iShaftAlign makes this process easy with the help of simple with a dial gauge. This simple app can be used with machines rotating at a maximum speed of 3000rpm. The application guides the user about the corrections that need to be made at each step to ensure the final alignment is within tolerance.

About

WeldOffice

Features
Read full description

Use WeldOffice mobile app for reliable determination of compliance with welding codes & standards. The app comes with multi-code search features including material classifications for base metals and filler metals, definitions of welding and brazing terms, interpretations, as well as requirements identification based on test type, applicability of welding process and the type of variable. This single WeldOffice mobile app integrates previous individually published P Numbers, M Numbers and F Numbers apps with exclusive access apps addressing multi-code welding requirements. The app includes comprehensive UNS search tool. Multi-code searches include the following Standards Developing Organizations (SDOs): ASME, AWS, API, ISO.... AA, AAR, ABS, ACI, AISI, AMS, AS, AS/NZS, ASTM, CSA, DIN, EN, FED, GB, IRAM, IS, JIS, MIL, MSS, NACE, SAE. INTEGRATED APPS - P-Numbers and M-Numbers apps provide quick lookup of base metal weldability grouping numbers for welding procedure and performance qualification. Data is provided by C-spec from the master source used for generation, proof-reading and maintenance of ASME Section IX Table QW/QB-422, AWS B2.1 Table C1 and C2, and ISO/TR 20173. - F-Numbers app provides quick lookup of filler metal groupings for welding procedure and performance qualification. Lookup includes classifications with respective descriptions of intended use. Data is provided by C-spec. F-numbers and A-numbers assignments are based on ASME Section IX Table QW-432 and QW-442, ASME Section II Part C, AWS B2.1 Table B1 and B2, and AWS A5.1 through AWS A5.36. - A-Numbers app calculator determines the A-Number and the type of weld deposit per ASME Section IX Table QW-442. - UNS app searches materials classified in the SAE Unified Numbering System. - ISO 15608 app searches base metals in ISO/TR 20172, ISO/TR 20173 and ISO/TR 20174. - AWS D1.1 Base metals app searches base metals permitted for use with the AWS D1.1 Structural Steel Code. - Term Definitions app compares API, ASME, AWS and ISO published definitions of welding and brazing terms. - Interpretations app searches API, ASME and AWS published interpretations. - Turbo Code app identifies ASME Section IX code requirements based on applicability of test type, welding process and type of variable (essential, supplementary essential and nonessential).

Screenshots

iAlignShaft4 screens
WeldOffice4 screens

Verdict

The call

The clearest difference is price: WeldOffice at Free against iAlignShaft's $2.99. WeldOffice also leads on update cadence (every 3 months vs every 11 months) and device support (3 vs 1). On ads, in-app purchases and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

WeldOffice is free to download; iAlignShaft costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

iAlignShaft ships an update every 11 months, WeldOffice every 3 months. The most recent releases landed on October 16, 2026 and October 30, 2026 respectively.

Scorecard3 real differences ยท 3 level
iAlignShaft versus WeldOffice: the parameters behind the verdict, then further details
ParameteriAlignShaftWeldOffice
Price$2.99Free โ€” better
Update frequencyEvery 11 monthsEvery 3 months โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad, iPod โ€” better
Requires iOS16.2 โ€” better16.6
Further details โ€” not scored
Size2 MB20 MB
Age rating4+4+
DeveloperHans BabyloneASMEIX CORPORATION

In-app purchases

None

iAlignShaft

No in-app purchases

None

WeldOffice

No in-app purchases

Questions

Is iAlignShaft free?
iAlignShaft costs $2.99, with no in-app purchases.
Is WeldOffice free?
WeldOffice is free to download, with no in-app purchases.
Do iAlignShaft or WeldOffice have ads?
Neither iAlignShaft nor WeldOffice shows ads.
Which is updated more often, iAlignShaft or WeldOffice?
iAlignShaft ships an update every 11 months, and WeldOffice every 3 months. Most recently, iAlignShaft was updated on October 16, 2026 and WeldOffice on October 30, 2026.

Other comparisons