SENIN vs Construction Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SENIN
Control a specific neck massager model via Bluetooth. Adjust massage time, intensity, and heat settings for a comfortable experience.
- Bluetooth control
- Adjustable massage time
- Customizable strength levels
- Heat level settings
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This app is designated for the neck massager of GD-M136 series, which is a really comfortable neck massage. With it, you can control your massger by bluetooth, and easily set the massge time, strength level, heat level, etc. Enjoy!
Construction Calc
This offline calculator helps construction professionals and DIYers quickly estimate materials for various projects. It supports imperial and metric units, and all calculations are stored locally for privacy. No internet connection is required.
- Offline material estimation
- Calculates 8 key materials
- Feet-Inch-Fraction input
- Imperial & Metric units
- Local data storage
- No subscriptions or ads
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The only offline calculator you need on the job site. No internet? No problem. Contractor Calc works 100% offline — so you get fast, accurate material estimates right when you need them. Estimate 8 key materials in seconds: Concrete (slabs, footings) Drywall (sheets with waste) Paint (gallons & liters) Roofing (squares with pitch) Gravel & Mulch (cubic yards/m³) Tile (tiles with cuts) Insulation (ft²/m²) Stairs (riser, tread, stringer) Built for pros, trusted by contractors: • Feet-Inch-Fraction Input — enter 12' 6" like you measure • Imperial & Metric — switch units in Settings • No subscriptions. No ads. No cloud. • All calculations stored locally — your data stays private Perfect for: • Residential & commercial contractors • Carpenters, framers, roofers, painters • DIYers tackling big projects • Estimators preparing bids Join thousands of builders who ditched spreadsheets and paper calculators. Get precise, professional results — every time.
Screenshots
Verdict
The clearest difference is rating: Construction Calc at 5.0 against SENIN's 1.6. SENIN's advantage is in-app purchases (none vs 1) and update cadence (every 8 days vs every 3 months). On price, ads, monetization model 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. Construction Calc sells 1 one-off in-app purchase. SENIN asks for nothing beyond the download.
Construction Calc holds the better App Store score, 5.0 against 1.6. That said, the two scores are not equally well evidenced: SENIN has 10 ratings behind it against 1, so its average is the more settled of the two.
SENIN ships an update every 8 days, Construction Calc every 3 months. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.
| Parameter | SENIN | Construction Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 1.6 (10 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 10 — better | 1 |
| Update frequency | Every 8 days — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 10.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 70 MB | 3 MB |
| Age rating | 12+ | 17+ |
| Developer | 星星 艾 | Konstantin Khoroshun |
Customer experience
SENIN
Construction Calc
In-app purchases
SENIN
No in-app purchases
Construction Calc
- Pro Features$0.99
Questions
Is SENIN free?
Is Construction Calc free?
Which has better reviews, SENIN or Construction Calc?
Do SENIN or Construction Calc have ads?
Which is updated more often, SENIN or Construction Calc?
Other comparisons
