# 1550 Lamar vs PropPreserv Vendor The clearest difference is update cadence: PropPreserv Vendor at every 2 months against 1550 Lamar's every 4 months. On price, ads, in-app purchases and device support there is nothing between them. Both are free to download. Neither carries in-app purchases, so what you see is what you pay. 1550 Lamar ships an update every 4 months, PropPreserv Vendor every 2 months. The most recent releases landed on October 27, 2026 and October 19, 2026 respectively. ## The numbers | Metric | 1550 Lamar | PropPreserv Vendor | | --- | --- | --- | | Price | Free | Free | | In-app purchases | No | No | | Ads | No | No | | Update frequency | Every 4 months | **Every 2 months** | | Size | 107 MB | 35 MB | | Requires iOS | **16.0** | 16.4 | | Devices | iPhone | **iPhone, iPad** | | Age rating | 12+ | 4+ | | Developer | [SCD BLK 250 Houston LLC](https://appshunter.io/developer/1729359724) | [Ronard Green](https://appshunter.io/developer/6788793392) | ## What reviewers say ### 1550 Lamar [App page](https://appshunter.io/ios/app/1550-lamar/id6477445201) **Features:** Apple Wallet **In-app purchases:** none ### PropPreserv Vendor [App page](https://appshunter.io/ios/app/proppreserv-vendor/id6799261676) **Features:** macOS Compatibility, Vision Pro support **In-app purchases:** none ## Frequently asked questions ### Is 1550 Lamar free? 1550 Lamar is free to download, with no in-app purchases. ### Is PropPreserv Vendor free? PropPreserv Vendor is free to download, with no in-app purchases. ### Do 1550 Lamar or PropPreserv Vendor have ads? Neither 1550 Lamar nor PropPreserv Vendor shows ads. ### Which is updated more often, 1550 Lamar or PropPreserv Vendor? 1550 Lamar ships an update every 4 months, and PropPreserv Vendor every 2 months. Most recently, 1550 Lamar was updated on October 27, 2026 and PropPreserv Vendor on October 19, 2026. --- *Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*