Comparison

Magnetometer vs Taiwan Coordinate Converter

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

Head to head
About

Magnetometer

This application uses your iPhone's compass to detect electromagnetic interference, helping you find metal objects or magnets. It's designed for fun and experimental purposes, not as a professional tool. Discover hidden metal items or simply explore the magnetic fields around you.

Highlights
  • Detects metal and magnets
  • Uses iPhone's compass
  • Measures EMF interference
  • Fun and experimental use
  • Simple user interface
Read full description

Magnetometer is a fun app for finding metal or magnets by detecting EMF interference with your iPhone's compass heading. Find your keys, or just have fun discovering what could be made of metal. Magnetometer is not meant to replace an actual, professional-grade metal detector. Magnetometer presents simple information to the user about the interference experiences. For more scientific data, please turn to other great apps on the App Store. Magnetometer is made for fun and for experimental purposes and is not designed for scientific use. Also, don't drop your iPhone in sand hoping to find treasure; it's risky.

About

Taiwan Coordinate Converter

Features
Read full description

這是一個台灣專用的座標轉換應用程式,提供三種不同的座標獲取與轉換方式: 1. 手動輸入座標 (Manual Position) 可選擇台灣本島或離島(澎湖、金門、馬祖)地區 支援三種座標系統的互相轉換: WGS84 (GPS全球定位系統使用的座標) TWD67 TM2 (台灣早期測量用的座標系統) TWD97 TM2 (台灣現行的座標系統) 只要在任一座標系統輸入經緯度,就會自動轉換其他座標系統的值,可分享轉換結果。 2. 自動定位座標 (Auto Position) 自動獲取當前位置的座標資訊 自動轉換並顯示三種座標系統的數值 提供額外資訊: 目前高度(海拔) 座標誤差範圍 詳細地址資訊 GPS+網路定位的狀態 可開關自動更新位置功能 可分享完整的位置資訊 3. 地圖座標顯示 (Map Position) 在地圖上即時顯示當前位置 支援多種地圖檢視模式: 標準地圖 混合地圖(含衛星影像) 3D飛行檢視 靜音標準地圖 1. 提供位置追蹤功能 2. 顯示座標詳細資訊 可分享位置資訊 This is a coordinate conversion application specifically designed for Taiwan region, offering three different methods for coordinate acquisition and conversion: 1. Manual Position Entry Region selection between Taiwan main island or outlying islands (Penghu, Kinmen, Matsu) Supports conversion between three coordinate systems: WGS84 (Global Positioning System coordinates) TWD67 TM2 (Taiwan's historical survey coordinate system) TWD97 TM2 (Taiwan's current coordinate system) Automatic conversion across all coordinate systems when entering values in any system Share conversion results 2. Automatic Position Detection Automatically acquires current location coordinates Automatically converts and displays values in all three coordinate systems Provides additional information: Current elevation Coordinate error margin Detailed address information GPS + Network positioning status Toggle automatic location updates Share complete location information 3. Map Position Display Real-time current location display on map Multiple map view options: Standard map Hybrid (with satellite imagery) 3D Flyover view Muted standard map Location tracking functionality Detailed coordinate information display Share location information

Screenshots

Magnetometer4 screens
Taiwan Coordinate Converter4 screens

Verdict

The call

The clearest difference is update cadence: Taiwan Coordinate Converter at every 3 weeks against Magnetometer's every 34 months. Magnetometer's advantage is price ($0.99 vs $1.99). On ads, in-app purchases, 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

Magnetometer costs $0.99 and Taiwan Coordinate Converter $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Magnetometer ships an update every 34 months, Taiwan Coordinate Converter every 3 weeks. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 8 level
Magnetometer versus Taiwan Coordinate Converter: the parameters behind the verdict, then further details
ParameterMagnetometerTaiwan Coordinate Converter
Price$0.99 — better$1.99
Rating4.4 (13 ratings) — better—
Positive reviews85.7% of reviews—
Number of ratings13 — better—
Update frequencyEvery 34 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhoneiPhone, iPad — better
Requires iOS16.0 — better17.6
Further details — not scored
Size2 MB8 MB
Age rating4+4+
DeveloperBogdan GavrilutaHao Da-Wei

In-app purchases

None

Magnetometer

No in-app purchases

None

Taiwan Coordinate Converter

No in-app purchases

Questions

Is Magnetometer free?
Magnetometer costs $0.99, with no in-app purchases.
Is Taiwan Coordinate Converter free?
Taiwan Coordinate Converter costs $1.99, with no in-app purchases.
Do Magnetometer or Taiwan Coordinate Converter have ads?
Neither Magnetometer nor Taiwan Coordinate Converter shows ads.
Which is updated more often, Magnetometer or Taiwan Coordinate Converter?
Magnetometer ships an update every 34 months, and Taiwan Coordinate Converter every 3 weeks. Most recently, Magnetometer was updated on November 7, 2026 and Taiwan Coordinate Converter on October 30, 2026.

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