Comparison

unitCalc vs 鳥音辨識

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

Head to head
About

unitCalc

Features
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unitCalc 是一款適用於 iPhone 與 iPad 的計算機與台灣常用單位換算工具。 主要功能: • 四則運算、平方、立方、平方根、立方根及記憶功能 • 十萬至兆等大數快捷鍵 • 重量、長度、面積與貨幣換算 • 單位選項可橫向捲動,支援直向與橫向操作 • 匯率快取,可於離線時使用最後一次成功取得的資料 換算單位: • 重量:公克、公斤、台斤、台兩、英磅、盎司 • 長度:公尺、公分、台尺、台寸、英尺、英寸 • 面積:台坪、台畝、台分、台甲、平方公尺、公頃、平方英尺 • 貨幣:台幣、美元、日圓、歐元、英鎊、韓元、越南盾、港幣、人民幣 貨幣換算主要採用臺灣銀行對台幣現金賣出匯率;無現金匯率時使用即期賣出匯率。臺灣銀行服務無法使用時,App 會使用中央銀行官方資料計算參考匯率,並顯示來源與資料時間。 匯率資料僅供換算參考,不代表任何金融機構的實際交易報價;實際匯率應以交易時相關金融機構公告為準。unitCalc 為獨立開發工具,與臺灣銀行及中央銀行沒有隸屬、合作、代理或背書關係。

About

鳥音辨識

Features
Read full description

打開麥克風,"鳥音辨識" APP即時啟動,解讀鳥的鳴唱。不用翻鳥書——這款 App 馬上對出名號,告訴你是哪隻鳥在唱歌! 直覺操作,大人小孩都能輕鬆上手。 身處荒郊野外沒訊號,沒關係~~離線一樣能用,不管獨行小鳥,山鳥海鳥,都能幫你認識他。 "鳥音辨識"帶你走進鳥世界,從此聽聲音就能認鳥,留下大自然演唱會的主角名單!

Screenshots

unitCalc2 screens
鳥音辨識3 screens

Verdict

The call

The clearest difference is iOS requirement: 鳥音辨識 at 13.0 against unitCalc's 15.0. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

unitCalc ships an update monthly, 鳥音辨識 every 3 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard1 real difference · 5 level
unitCalc versus 鳥音辨識: the parameters behind the verdict, then further details
ParameterunitCalc鳥音辨識
PriceFreeFree
Update frequencyMonthlyEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size1 MB201 MB
Age rating4+4+
Developer培祐 黃Aurismart Technology Corporation

In-app purchases

None

unitCalc

No in-app purchases

None

鳥音辨識

No in-app purchases

Questions

Is unitCalc free?
unitCalc is free to download, with no in-app purchases.
Is 鳥音辨識 free?
鳥音辨識 is free to download, with no in-app purchases.
Do unitCalc or 鳥音辨識 have ads?
Neither unitCalc nor 鳥音辨識 shows ads.
Which is updated more often, unitCalc or 鳥音辨識?
unitCalc ships an update monthly, and 鳥音辨識 every 3 weeks. Most recently, unitCalc was updated on November 3, 2026 and 鳥音辨識 on October 30, 2026.

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