Comparison

MechTab vs HaasService

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

Head to head
About

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.

Highlights
  • ISO-Tolerance data (holes and shafts)
  • Thread specifications
  • Cutting data calculations
  • Wrench size conversions
  • Roughness parameters
  • Material weight calculator
  • Triangle property calculator
Features
Read full description

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

About

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.

Highlights
  • How-To Procedures
  • Troubleshooting Guides
  • Diagrams and Manuals
  • Machine Serial Number Search
  • Keyword Search
  • Work Order Management
  • Time Tracking
Features
Read full description

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

MechTab4 screens
HaasService4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
MechTab versus HaasService: the parameters behind the verdict, then further details
ParameterMechTabHaasService
PriceFreeFree
Rating4.1 (16 ratings) — better—
Positive reviews88.6% of reviews — better0.0% of reviews
Number of ratings16 — better—
Update frequencyEvery 9 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.0 — better16
Further details — not scored
Size9 MB32 MB
Age rating4+4+
DeveloperWerder AGHaas Automation, Inc.

Customer experience

MechTab

All ratings16 ratings
Positive75.0%
Neutral6.3%
Negative18.8%
Written reviews176 reviews
Positive88.6%
Neutral8.0%
Negative3.4%

HaasService

Written reviews8 reviews
Positive0.0%
Neutral12.5%
Negative87.5%

In-app purchases

None

MechTab

No in-app purchases

None

HaasService

No in-app purchases

Questions

Is MechTab free?
MechTab is free to download, with no in-app purchases.
Is HaasService free?
HaasService is free to download, with no in-app purchases.
Do MechTab or HaasService have ads?
Neither MechTab nor HaasService shows ads.
Which is updated more often, MechTab or HaasService?
MechTab ships an update every 9 months, and HaasService every 2 weeks. Most recently, MechTab was updated on October 24, 2026 and HaasService on October 1, 2026.

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