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- Installs
- 0+
- Category
- Tools
- Content rating
- Everyone
- Version
- 1.0
- Released
- Oct 11, 2026
- Last updated
- 11 Oct 2026
- In-app purchases
- No
- Contains ads
- Yes
- Promo video
- No
- Requires Android
- 7.0
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First release of Cek SIM Offline! • Read old driving licence numbers (14 digits): issuing Satpas code, birth month & year, serial number • Read new licence/NIK numbers (16 digits): province, regency/city, district, date of birth, age and gender • 100% offline, light, and numbers are never stored • Not an official Korlantas Polri app; results are estimates based on public information
Offline Indonesian driver's license (SIM) & NIK number checker. Fast and light.
IMPORTANT DISCLAIMER FOR USERS AND GOOGLE PLAY: This app is NOT an official app of the Indonesian National Police (Korlantas Polri), does NOT represent Polri, the Directorate General of Population and Civil Registration (Dukcapil) or any other government body, and is NOT connected to any national driver's license or population database. It is purely an offline helper tool (calculator) that explains the structure of numbers using public information from the internet. SOURCES & REFERENCES: The rule that a Satpas code appears on a SIM refers to Indonesian National Police Regulation No. 5 of 2021. NIK region codes come from the Ministry of Home Affairs (Kemendagri) region code list. The structure of old SIM numbers and the Satpas (issuing office) code list were compiled from public information on the internet, are not officially published, and may be incomplete or wrong. Official information: https://korlantas.polri.go.id/ (driver's licenses) and https://dukcapil.kemendagri.go.id/ (population records). --- Want an easy way to check a SIM number? Curious what the digits on an Indonesian driver's license (Surat Izin Mengemudi) mean? Cek SIM Offline decodes it on your phone, no internet needed. Type the number and tap Check. The app recognises an old SIM number (14 digits) or a new SIM that uses the national ID number, NIK (16 digits). Works for SIM C (motorcycle), SIM A (car) and other classes. WHAT CAN IT READ? Old SIM number (14 digits): - Issuing office (Satpas) code and its estimated region - Holder's month and year of birth - Issue sequence number New SIM number / NIK checker (16 digits): - Province, regency/city and district where the NIK was issued - Date of birth and age - Gender (handles the +40 rule for women) - Sequence number KEY FEATURES: 1. 100% offline and data-saving Decoding works without internet. The internet is used only to show ads that support development. 2. Privacy first Numbers you type are not stored, not kept in a history and not sent to any server. 3. Light, fast and simple Small size, instant results, clean layout, light or dark mode. HOW TO CHECK A SIM NUMBER: 1. Read and accept the disclaimer when you first open the app. 2. Type the SIM or NIK number. Dashes and spaces are ignored. 3. Tap Check and read the result. 4. Read the region, sequence number and other details in the result. THIS APP IS NOT FOR: Verifying that a SIM is genuine, checking mobile SIM card or IMEI numbers, vehicle tax, parcel tracking, or issuing and renewing licenses or international driving permits. To confirm a license is genuine or to renew it, visit your nearest Satpas/Polres or use the official Korlantas Polri service at https://digitalkorlantas.polri.go.id/. PLEASE READ: - Results are estimates from digit patterns and public information and may be incomplete or wrong. - Use only for your own number or with the owner's consent. Do not use it for crime or to harm others. - The developer is not liable for how the app or its results are used, nor for the authenticity of third-party source data. - The app shows Google AdMob ads (may use your device's advertising ID). The interface is in Indonesian; the first-launch disclaimer is in English. Additional note: This app does not check whether a SIM is genuine, shows no photos, cannot find out an owner's name, cannot track the owner of a number, and does not check the status of a SIM or NIK with any government server.