Comparison

WeldOffice vs LALG

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

Head to head
About

WeldOffice

Features
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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).

About

LALG

Features
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Your Essential Tool for Lifting Appliance & Lifting Gear Certificate Management in Hong Kong This app revolutionizes the way Registered Professional Engineers (RPEs) and LALG owners manage vital certificates in Hong Kong. Designed for efficiency and compliance, it simplifies the entire certification lifecycle, ensuring your lifting operations are always up-to-date and compliant with regulations. For Registered Professional Engineers (RPEs): Effortless Certificate Management: Streamline the management of your LALG certificates with an intuitive platform designed for ease of use. Digital Certification Access: Access secure, digital LALG certificates that are easily verifiable and accessible, reducing reliance on physical paperwork. Instant Status Updates: View the current status of all LALG certificates at a glance, helping you manage your portfolio effectively and stay informed. For LALG Owners: Real-time Certificate Access: No more searching for physical documents. View the status of your LALG certificates instantly on your mobile device. NFC Tag Integration: Simply scan the dedicated NFC tag on your lifting appliance or gear to immediately access its associated LALG certificate status. This provides quick verification and peace of mind during inspections. Enhanced Compliance: Easily demonstrate the validity of your LALG certificates during inspections, ensuring smooth operations and adherence to Hong Kong safety standards. Key Features: Secure Digital Certificates: All certificates are securely stored and accessible, reducing the risk of loss or damage. Intuitive User Interface: Easy to navigate for both RPEs and LALG owners, ensuring a smooth user experience. NFC Scanning Capability: Innovative use of NFC technology for quick and reliable certificate status retrieval. Tailored for Hong Kong Regulations: Developed with a deep understanding of Hong Kong's specific requirements for lifting appliance and lifting gear certification. This app is an indispensable tool for anyone involved in lifting appliance and lifting gear operations in Hong Kong. Download now to streamline your certification process and ensure unparalleled safety and compliance.

Screenshots

WeldOffice4 screens
LALG4 screens

Verdict

The call

WeldOffice and LALG are too close to call on the numbers: across 6 compared parameters โ€” price, update cadence, ads and in-app purchases among them โ€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.

ScorecardNo meaningful differences
WeldOffice versus LALG: the parameters behind the verdict, then further details
ParameterWeldOfficeLALG
PriceFreeFree
Update frequencyEvery 3 monthsEvery 3 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS16.615.1 โ€” better
Further details โ€” not scored
Size20 MB45 MB
Age rating4+4+
DeveloperASMEIX CORPORATIONWe Guard Technology Limited

In-app purchases

None

WeldOffice

No in-app purchases

None

LALG

No in-app purchases

Questions

Is WeldOffice free?
WeldOffice is free to download, with no in-app purchases.
Is LALG free?
LALG is free to download, with no in-app purchases.
Do WeldOffice or LALG have ads?
Neither WeldOffice nor LALG shows ads.
Which is updated more often, WeldOffice or LALG?
WeldOffice ships an update every 3 months, and LALG every 3 months. Most recently, WeldOffice was updated on October 7, 2026 and LALG on October 1, 2026.

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