unitCalc vs Taiwan Power Coordinates
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
unitCalc
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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。
Taiwan Power Coordinates
This utility app helps users find and navigate to power coordinates and utility poles across Taiwan. It offers offline lookup, bidirectional coordinate conversion, and detailed location information, making it useful for professionals and outdoor enthusiasts.
- Search by power coordinates, utility pole ID, GPS, or address
- Bidirectional power coordinate conversion (9-digit and 11-digit)
- Multiple basemap and utility pole overlay options
- Offline power coordinate lookup
- Export results to CSV
- Street View with automatic orientation
- Built-in navigation
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Ideal for engineers, GIS professionals, surveyors, hikers, and GeoGuessr players. Power Coordinate Navigation & Utility Pole Lookup for Taiwan (Offline support for power coordinate lookup) 1.Search by Power Coordinates (Grid Coordinates), Utility Pole ID, GPS Coordinates, or Address. 2.Accurate bidirectional conversion between power coordinates, supporting both 9-digit and 11-digit formats. 3.Multiple basemap options and utility pole overlay layers. 4.Supports Taiwan Island, Penghu, and Kinmen. 5.Batch conversion between Latitude/Longitude and Power Coordinates. 6.Export results to CSV. 7.Comprehensive location information including Power Coordinates, Utility Pole ID, TWD67, TWD97, and Latitude/Longitude. 8.Street View support with automatic orientation toward the target location. 9.Built-in navigation support. 10.Powerful sharing features. 11.List management with notes support.
Screenshots
Verdict
The clearest difference is in-app purchases: unitCalc at none against Taiwan Power Coordinates's 4. unitCalc also leads on ads (none vs shown) and update cadence (fortnightly vs every 2 months). On price, 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
Both are free to download. Taiwan Power Coordinates sells 4 in-app purchases, starting at $0.99 per month. unitCalc asks for nothing beyond the download.
unitCalc ships an update fortnightly, Taiwan Power Coordinates every 2 months. The most recent releases landed on September 10, 2026 and August 29, 2026 respectively.
| Parameter | unitCalc | Taiwan Power Coordinates |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| Update frequency | Fortnightly — better | Every 2 months |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 1 MB | 100 MB |
| Age rating | 4+ | 4+ |
| Developer | 培祐 黃 | CHUN WEI HSU |
In-app purchases
unitCalc
No in-app purchases
Taiwan Power Coordinates
- 完整方案(月)$0.991 Month
- 完整方案(季)$2.993 Months
- 完整方案(年)$9.991 Year
- 買斷$39.99
Questions
Is unitCalc free?
Is Taiwan Power Coordinates free?
Do unitCalc or Taiwan Power Coordinates have ads?
Which is updated more often, unitCalc or Taiwan Power Coordinates?
Other comparisons
