MechTab vs instaRAL
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
instaRAL
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instaRAL is a fast and accurate RAL color identification app designed for engineers, manufacturers, architects, designers, painters, and DIY enthusiasts. Simply point your camera at a surface and instantly discover the closest RAL Classic color. The app also suggests similar shades, helping you compare colors more easily. Features • Instant RAL color detection using your camera • Accurate RAL Classic color matching • Similar color recommendations • Clean and intuitive interface • Fast and lightweight • Ideal for manufacturing, industrial design, architecture, painting, interior design and quality control Whether you're matching paint, checking manufactured parts, or selecting colors for your next project, instaRAL helps you identify RAL colors quickly and confidently. Lighting conditions, material texture, and camera quality may affect color accuracy.
Screenshots
Verdict
The clearest difference is iOS requirement: MechTab at 15.0 against instaRAL's 26.0. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | MechTab | instaRAL |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (16 ratings) — better | — |
| Positive reviews | 88.6% of reviews | — |
| Number of ratings | 16 — better | — |
| Update frequency | Every 9 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 9 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Werder AG | Fatih Akbyk |
In-app purchases
MechTab
No in-app purchases
instaRAL
No in-app purchases









