Geodetic Compass vs SanCAST
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Geodetic Compass
This utility app quickly shares your real-time location via SMS or other apps. It includes a coordinate conversion tool and a built-in phone book for emergency services in Taiwan. Designed for ease of use, it helps you stay connected and informed.
- Real-time location sharing
- Share location via SMS/other apps
- Coordinate conversion tool
- Taiwan emergency services phone book
- SOS message integration
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Super fast to send or share location: 1. Open compass app 2. Check satellite signal strength at bottom left corner and then press send button. 3. Fill in custom text or SOS form. 4. Send! After installation, two launch icons will be shown in your apps. 1. The compass acquires your location in real time. Then you can share your location by SMS or by other apps. A built-in phone book of fire departments will be shown if your current location was considered to be in Taiwan. These phone numbers were integrated with Taiwan's 911 system to receive SOS message from SMS. 2. Coordinate conversion tool supports several common coordinate formats in Taiwan. It also supports Taipower geocoding, which was marked on most utility poles in Taiwan. NOTE!! No warranty about the accuracy of compass and positioning. Please be aware that this app is not intended for critical or high accurate measurements. Please support Leave-No-Trace policy and help protect our mother nature together!
SanCAST
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Sanlien Broadcasting APP. Provide Sanlien Instrument Vibration Message Receiving Solution.
Screenshots
Verdict
The clearest difference is iOS requirement: Geodetic Compass at 15.0 against SanCAST's 18.1. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Geodetic Compass ships an update fortnightly, SanCAST monthly. The most recent releases landed on November 7, 2026 and September 28, 2026 respectively.
| Parameter | Geodetic Compass | SanCAST |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 87.5% of reviews | โ |
| Update frequency | Fortnightly โ better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | โ |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.0 โ better | 18.1 |
| Further details โ not scored | ||
| Size | 28 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Fontech | SANLIEN TECHNOLOGY CORP. |
In-app purchases
Geodetic Compass
No in-app purchases
SanCAST
No in-app purchases
Questions
Is Geodetic Compass free?
Is SanCAST free?
Do Geodetic Compass or SanCAST have ads?
Which is updated more often, Geodetic Compass or SanCAST?
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