Comparison

SLCalculation vs TriCalc

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

シーリング工事、材料計算

Auto-solve sides and angles

Free

📊 Productivity

No ratingsView app →

About

SLCalculation

Features

Read full description

各種シール材の必要数量を算出する計算機。

About

TriCalc

Features

Read full description

Enter any combination of sides and angles, and Triangle Calculator instantly solves the missing values, draws the triangle, and shows you the full results. FEATURES · Auto-solve from any valid input — sides (a, b, c) and angles (A, B, C) · Calculates area, perimeter, and triangle classification (acute / right / obtuse, equilateral / isosceles / scalene) · Supports multiple solving methods: Law of Cosines (SSS, SAS), Law of Sines (SSA, AAS/ASA) · Detects and handles the ambiguous SSA case · Real-time triangle visualization PREMIUM (one-time purchase) · Unlimited save & history — revisit any triangle anytime · Ad-free experience · Step-by-step solution with formulas Whether you're studying trigonometry, working on a construction project, doing land surveying, or building a game, Triangle Calculator gives you fast and accurate results.

Screenshots

SLCalculation3 screens

TriCalc3 screens

Verdict

The call

The clearest difference is in-app purchases: SLCalculation at none against TriCalc's 1. SLCalculation also leads on ads (none vs shown). On price, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. TriCalc sells 1 one-off in-app purchase. SLCalculation asks for nothing beyond the download.

UpkeepUpdate frequency

SLCalculation ships an update monthly, TriCalc fortnightly. The most recent releases landed on September 20, 2026 and September 22, 2026 respectively.

Scorecard2 real differences · 4 level

SLCalculation versus TriCalc: the parameters behind the verdict, then further details
Parameter	SLCalculation	TriCalc
Price	Free	Free
Update frequency	Monthly	Fortnightly — better
Ads	No — better	Yes
In-app purchases	No — better	Yes
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	14.2	13.0 — better
Further details — not scored
Size	19 MB	23 MB
Age rating	4+	4+
Developer	tsuyoshi saito	Keita Ogasawara

In-app purchases

None

SLCalculation

No in-app purchases

1 purchases

TriCalc

One-time1

Premium$4.99

Questions

Is SLCalculation free?

SLCalculation is free to download, with no in-app purchases.

Is TriCalc free?

TriCalc is free to download, with in-app purchases available.

Do SLCalculation or TriCalc have ads?

TriCalc shows ads; SLCalculation does not.

Which is updated more often, SLCalculation or TriCalc?

SLCalculation ships an update monthly, and TriCalc fortnightly. Most recently, SLCalculation was updated on September 20, 2026 and TriCalc on September 22, 2026.