转盘决定器 vs TriCalc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
转盘决定器
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随机转盘拯救困难选择，支持多种主题，转盘抽奖抽签，转盘自定义，幸运大转盘，随机密码，随机数字，随机昵称，随机头像，随机壁纸。
TriCalc
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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
Verdict
The clearest difference is in-app purchases: 转盘决定器 at none against TriCalc's 1. 转盘决定器 also leads on iOS requirement (11.0 vs 15.0). 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. TriCalc sells 1 one-off in-app purchase. 转盘决定器 asks for nothing beyond the download.
| Parameter | 转盘决定器 | TriCalc |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Monthly |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 26 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | 志明 魏 | Keita Ogasawara |
In-app purchases
转盘决定器
No in-app purchases
TriCalc
- Premium$4.99
