Comparison

Epic Ruler vs 萬用計算機

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

Head to head

Epic Ruler

A classic ruler

Free

🔧 Utilities

★ 1.04 ratingsView app →

About

Epic Ruler

Transform your smartphone into a portable measuring tool. Accurately measure lengths in both inches and centimeters directly from your device.

Highlights

Converts phone to ruler
Measures in inches
Measures in centimeters
Pocket-sized utility

Features

Read full description

This app turns your phone into a portable pocket ruler, with support for both inches and centimeters.

About

萬用計算機

Features

Read full description

萬用計算機是一款多功能應用程式，設計用於滿足各種日常和專業計算需求。它包含工程計算機、單位轉換器、世界時間轉換器、匯率計算機和銷售稅計算機等多種實用工具。無論您是學生、工程師、旅行者還是商務人士，萬用計算機都能為您提供精確的計算和轉換服務。應用程式界面友好，操作簡便，未來還將持續更新，加入更多實用功能，確保用戶能夠享受最佳的計算體驗。下載萬用計算機，讓您的計算工作更加高效和便捷。

Screenshots

Epic Ruler1 screens

萬用計算機4 screens

Verdict

The call

The clearest difference is in-app purchases: Epic Ruler at none against 萬用計算機's 2. 萬用計算機's advantage is ads (none vs shown) and update cadence (every 2 months vs every 17 months). On price 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. 萬用計算機 sells 2 one-off in-app purchases. Epic Ruler asks for nothing beyond the download.

UpkeepUpdate frequency

Epic Ruler ships an update every 17 months, 萬用計算機 every 2 months. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.

Scorecard5 real differences · 5 level

Epic Ruler versus 萬用計算機: the parameters behind the verdict, then further details
Parameter	Epic Ruler	萬用計算機
Price	Free	Free
Rating	1.0 (4 ratings) — better	—
Positive reviews	0.0% of reviews	—
Number of ratings	4 — better	—
Update frequency	Every 17 months	Every 2 months — better
Ads	Yes	No — better
In-app purchases	No — better	Yes
Monetization	Free	—
Devices	iPhone	iPhone, iPad, iPod — better
Requires iOS	26.0	13.0 — better
Further details — not scored
Size	11 MB	157 MB
Age rating	4+	4+
Developer	Chih-Hao Chen	Wang ShihWen

In-app purchases

None

Epic Ruler

No in-app purchases

2 purchases

萬用計算機

One-time2

會員1個月$1.99
會員1年$14.99

Questions

Is Epic Ruler free?

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

Is 萬用計算機 free?

萬用計算機 is free to download, with in-app purchases available.

Do Epic Ruler or 萬用計算機 have ads?

Epic Ruler shows ads; 萬用計算機 does not.

Which is updated more often, Epic Ruler or 萬用計算機?

Epic Ruler ships an update every 17 months, and 萬用計算機 every 2 months. Most recently, Epic Ruler was updated on November 1, 2026 and 萬用計算機 on November 4, 2026.