MechTab vs HaasService
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MechTab
This app offers a comprehensive set of tools for mechanics, providing essential data on tolerances, threads, cutting speeds, wrench sizes, and roughness. It also includes calculators for material weight, triangle properties, and trowalisation.
- ISO-Tolerance data (holes and shafts)
- Thread specifications
- Cutting data calculations
- Wrench size conversions
- Roughness parameters
- Material weight calculator
- Triangle property calculator
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Werder AG introduces the ultimate tool for mechanics. MechTab provides information about ISO-Tolerances, Threads, Cutting Data, Wrench Size and Roughness. Tolerances: A - ZC, holes and shafts General Tolerances: Charts for linear dimensions, radii/chamfer and angular dimensions. Geometrical Tolerances: Symbols, drawings and explanations as well as charts for the different geometrical tolerances. Threads: BA, BSF, G, Heli-Coil, M, MF, Pg, Tr, UNC, UNEF, UNF, W, Metric-Non-Standard Cutting Data: Cutting Speed and Spindle Speed, Feed Rates, Processing duration Wrench-Size to Width across Corners: 4-,6-8-,10-,12-,14-Cornered Torque: 3.6, 6.9, 8.8, 10.9, 12.9 Roughness: Rz, Ra, N, Triangle-Notation Weight: calculate the weight of different materials in different profiles. Material list is editable. Triangle: calculate sides, angles and the area of a triangle by entering 3 values according to a drawing. Trowalisation: calculate the number of pieces
HaasService
Access a comprehensive library of service tools for Haas machines, including how-to guides, troubleshooting, and diagrams. Tailor results with machine serial numbers or keyword searches. Certified technicians can manage work orders, notes, and time tracking.
- How-To Procedures
- Troubleshooting Guides
- Diagrams and Manuals
- Machine Serial Number Search
- Keyword Search
- Work Order Management
- Time Tracking
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With HaasService, you have the ability to search through hundreds of How-To Procedures, Troubleshooting Guides, Diagrams, and Manuals directly from your mobile device. By entering your machine’s serial number, the results will be tailored to your type of machine. You can also search for keywords or phrases to efficiently troubleshoot any issue you may be facing. For our certified service technicians, additional tools are available to resolve work orders, keep notes, and track travel and labor time.
Screenshots
Verdict
The clearest difference is review sentiment: MechTab at 89% against HaasService's 0%. HaasService's advantage is update cadence (every 2 weeks vs every 9 months). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
MechTab ships an update every 9 months, HaasService every 2 weeks. The most recent releases landed on October 24, 2026 and October 1, 2026 respectively.
| Parameter | MechTab | HaasService |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (16 ratings) — better | — |
| Positive reviews | 88.6% of reviews — better | 0.0% of reviews |
| Number of ratings | 16 — better | — |
| Update frequency | Every 9 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 — better | 16 |
| Further details — not scored | ||
| Size | 9 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Werder AG | Haas Automation, Inc. |
Customer experience
MechTab
HaasService
In-app purchases
MechTab
No in-app purchases
HaasService
No in-app purchases
Questions
Is MechTab free?
Is HaasService free?
Do MechTab or HaasService have ads?
Which is updated more often, MechTab or HaasService?
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