Tri vs Square Footage Calculator +
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tri
This utility app provides the formula and value for calculating triangle properties. It's designed for quick access to mathematical formulas related to triangles.
- Triangle formula display
- Value calculation
- Quick access utility
- Mathematical formulas
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App to display a formula and value of a triangle.
Square Footage Calculator +
Calculate the area of various geometric shapes in square feet, meters, or yards for home improvement projects. It also estimates the cost of materials based on your input.
- Area calculation for geometric shapes
- Supports square feet, meters, and yards
- Material cost estimation
- Calculates for squares, triangles, rectangles, circles, trapezoids, and ellipses
- Project planning tool
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Calculate area in square feet (ft²), square meters (m²), or square yards (yd²) for flooring, landscaping, carpeting, tiling, and construction projects. The app also helps estimate material costs based on area and unit pricing. Example: $23.00 per 100 square feet (ft²). Results are estimates for informational purposes only. We are happy to serve! If you have any requests or suggestions, do not hesitate to contact us. Email: phannhatd@gmail.com
Screenshots
Verdict
The clearest difference is review sentiment: Tri at 100% against Square Footage Calculator +'s 0%. Tri also leads on rating (5.0 vs 4.5) and in-app purchases (none vs 1). Square Footage Calculator +'s advantage is ads (none vs shown) and ratings volume (292 vs 1). On price 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. Square Footage Calculator + sells 1 one-off in-app purchase. Tri asks for nothing beyond the download.
Tri holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Square Footage Calculator + has 292 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Tri's written reviews are positive against 0% of Square Footage Calculator +'s.
Tri ships an update every 12 months, Square Footage Calculator + every 3 months. The most recent releases landed on September 16, 2026 and September 22, 2026 respectively.
| Parameter | Tri | Square Footage Calculator + |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.5 (292 ratings) |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 1 | 292 — better |
| Update frequency | Every 12 months | Every 3 months — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Thirdware.jp | Phan Nhat Đang |
Customer experience
Tri
Square Footage Calculator +
In-app purchases
Tri
No in-app purchases
Square Footage Calculator +
- Remove ads$3.99
Questions
Is Tri free?
Is Square Footage Calculator + free?
Which has better reviews, Tri or Square Footage Calculator +?
Do Tri or Square Footage Calculator + have ads?
Which is updated more often, Tri or Square Footage Calculator +?
Other comparisons
