Brainy Builder vs Demex
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Brainy Builder
This app offers a suite of tools for carpenters, simplifying complex calculations for measurements, spacing, and project planning. It supports both metric and imperial units, with free and expanded pro versions available.
- Metric and Imperial unit support
- 8 free carpentry calculators
- Equal spacing calculation
- Parquet floor planning
- Stair stringer calculation
- Rafter calculations
- Live drawing functionality
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Brainy Builder gives you fast, accurate calculations for stairs, decks, floors, fences, angles, spacing and more, right in your hand. Perfect for: • Carpenters • Builders • Contractors • DIY projects FEATURES • Stair & deck layouts • Angle calculations • Equal spacing tools • Floor & fence planning • Quick construction math • Simple and fast to use Save time. Avoid mistakes. Build with confidence. Terms and Conditions: https://www.iubenda.com/terms-and-conditions/16914265
Demex
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By installing this application, you will be able to control your Demex AB automatic gate from your smartphone. With Demex App you can: Open and close your gate with your phone, Monitor and check the status of your gate, Access to reports and statistics, Schedule automatically recurring actions, Manage units and users, Get online support and information about maintenance.
Screenshots
Verdict
The clearest difference is in-app purchases: Demex at none against Brainy Builder's 3. Brainy Builder's advantage is update cadence (every 3 weeks vs every 3 months). On price, ads, device support and iOS requirement 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. Brainy Builder sells 3 in-app purchases, starting at $0.99 per month. Demex asks for nothing beyond the download.
Brainy Builder ships an update every 3 weeks, Demex every 3 months. The most recent releases landed on October 1, 2026 and October 2, 2026 respectively.
| Parameter | Brainy Builder | Demex |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 3 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 49 MB | 240 MB |
| Age rating | 4+ | 4+ |
| Developer | Beyond Code AB | Demex AB |
In-app purchases
Brainy Builder
- Pro Monthly7 Days trial$0.991 Month
- All formulasFree
- Pro$11.99
Demex
No in-app purchases
Questions
Is Brainy Builder free?
Is Demex free?
Do Brainy Builder or Demex have ads?
Which is updated more often, Brainy Builder or Demex?
Other comparisons
