String Mapper

Content rating
Everyone
5+
Downloads
Content rating
Everyone
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About this app

`String Mapper is a lightweight field productivity app for solar PV installation teams.

Use String Mapper to map PV module serial numbers to electrical strings quickly and accurately while working on site.

Main features:

Offline operation
Barcode scanning for PV module serial numbers
String-based module mapping
Automatic module position tracking
Duplicate serial detection
Strong vibration and audible scan confirmation
Resume incomplete strings
Local project and user profiles
CSV export for records and handover documentation
No login required
No ads or tracking

String Mapper is designed for fast field use and keeps project data locally on the device unless the user chooses to export or share a CSV file.
Offline PV module string mapping with barcode scanning and CSV export.
Updated on
Nov 5, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Personal info, Photos and videos and 2 others
  • Data is encrypted in transit
  • Data can’t be deleted

What’s new

First production release of String Mapper.
- Faster barcode scanning and typed serials
- Sync fixes for several phones mapping the same project
- Rejected changes are shown with retry and discard
Content rating
Everyone
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App support

About the developer
MATHEUS MARTINS CARDOSO MARIEN
matheus.marien@hotmail.com
Brazil

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