MechTab vs HomeBrain
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
Read full descriptionHide 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
HomeBrain
Read full descriptionHide full description
HomeBrain helps you remember the practical details of your home: appliances, systems, rooms, maintenance tasks, notes, warranties, receipts, manuals, and important files. Core features: - Save home items, rooms, notes, maintenance tasks, and Vault attachments. - Schedule local maintenance and warranty reminders. - Search saved home records and export local data as JSON. - Protect the app with Face ID, Touch ID, or device passcode. - Use the app in supported App Store languages, including Ukrainian. Russian is not included. HomeBrain Pro unlocks optional remote AI: - Smart capture from photos, PDFs, receipts, warranty documents, labels, and manuals. - AI draft review that turns messy notes into structured home records. - Ask AI with citations from your saved home records. - Risk Radar and Home Handoff briefs for maintenance and warranty awareness. Privacy-first design: - Core home records are stored locally on the device. - Remote AI is optional, Pro-gated, and can fall back to local deterministic logic. - AI requests are limited for fair use and cost control. - The OpenAI API key is stored only on the protected backend, never inside the iOS app. —— HomeBrain Pro (auto-renewable subscription) • Monthly — $4.99 (Ukraine $2.99) • Yearly — $39.99 (Ukraine $24.99) Prices may vary by region and are shown in the app before purchase. Payment is charged to your Apple ID at confirmation. The subscription renews automatically unless cancelled at least 24 hours before the end of the current period; manage or cancel anytime in your Apple ID settings. Privacy Policy: https://homebrain.pro/privacy Terms of Use (EULA): https://homebrain.pro/terms
Screenshots
Verdict
The clearest difference is in-app purchases: MechTab at none against HomeBrain's 2. MechTab also leads on iOS requirement (15.0 vs 17.0). On price, ads 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. HomeBrain sells 2 in-app purchases, starting at $4.99 per month. MechTab asks for nothing beyond the download.
| Parameter | MechTab | HomeBrain |
|---|---|---|
| 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 — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 9 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Werder AG | Oleg Ptukh |
In-app purchases
MechTab
No in-app purchases
HomeBrain
- HomeBrain Pro Monthly$4.991 Month
- HomeBrain Pro Yearly$39.991 Year









