OFF vs OpenSpam
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OFF
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Unlock the Power of Offline Maps and Augmented Reality Our app brings your geospatial data to life with cutting-edge offline capabilities and augmented reality (AR) technology. Designed for professionals and enthusiasts alike, this app provides a seamless way to explore, analyze, and visualize complex spatial data without the need for an internet connection. Key Features: 1. Offline Map Exploration with .mmpk Support: - Upload and view .mmpk (Mobile Map Package) files, ensuring you can access your geospatial data anywhere, even in remote areas with no internet. - Display your real-time location on the map, providing intuitive navigation and spatial awareness. - Interact with map features: tap on points of interest, lines, or polygons to bring up detailed attribute information. 2. Immersive Augmented Reality (AR) with .mspk Support: Bring your data to life in AR with support for .mspk (Mobile Scene Package) files. Two powerful AR viewing modes: - World AR: Place 3D models in their actual geo-located positions, perfect for visualizing large-scale real-world projects. - Tabletop AR: View your entire scene as a 3D model on any flat surface, ideal for analyzing data from a more manageable perspective. 3. Fully Offline Functionality: No internet? No problem! All features, including map interaction and AR visualization, work seamlessly offline, ensuring you’re never limited by connectivity. 4. Easy Data Upload: Quickly upload .mmpk and .mspk files to the app, allowing you to manage and visualize your own datasets at any time. Ideal For: - Field workers, surveyors, engineers, and anyone who needs offline access to spatial data in remote areas. - Users looking to visualize large infrastructure projects, environmental data, or urban planning models in AR. - Educational purposes for showcasing geographical features, architectural models, or interactive learning in a classroom setting. Whether you’re exploring geographical data offline or visualising complex 3D scenes in AR, this app is the perfect tool to bridge the gap between the physical and digital worlds. You can find links to sample materials geo-located inside of London via the information section inside the app.
OpenSpam
This app identifies and blocks unwanted calls using a community-powered database and a risk score algorithm. It offers customizable blocking levels and ensures user privacy by not collecting personal data or accessing contacts for commercial purposes.
- Instant call identification
- Customizable blocking levels
- Community reporting
- Built-in search for suspicious numbers
- Allowlist for trusted numbers
- Ad-free experience
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Reclaim your peace of mind with the official OpenSpam.es app. OpenSpam is the ultimate solution to identify and block unwanted calls. Born from the collective frustration with telephone harassment, we have created a 100% free, transparent, and ethical tool. No ads, no hidden purchases, and most importantly, no selling your data. TOTAL TRANSPARENCY AND PRIVACY Unlike other apps, OpenSpam doesn’t need to know who you are or access your contacts for commercial purposes. Guaranteed Privacy: We do not collect personal data. Your reports are anonymous. Ad-free: A clean interface, designed solely to protect you. Proprietary Database: We do not rely on third parties. We use the public and documented OpenSpam.es API, powered by an active community. INTELLIGENT AND SECURE PROTECTION Our reputation algorithm analyzes reports and search trends to assign a "Risk Score" to every unknown number. Blocking Levels: You are in control. Choose between Mild, Balanced, or Aggressive protection according to your needs. Safety for your Contacts: OpenSpam is safe. We will never block a number saved in your contacts or one you have recently interacted with; we will simply alert you if it has negative reports. Silent Updates: The database updates automatically in the background. We will only send notifications if it is truly important. No disturbances. KEY FEATURES: Instant Identification: Know who is calling before you pick up. Detect Spam, Fraud, or aggressive Telemarketing. Built-in Search: Got a suspicious missed call? Check it in the app before calling back. Community Reporting: Help others by reporting toxic numbers. When one person reports, we all benefit. Allowlist: Easily manage your exceptions and trusted numbers. JOIN THE RESISTANCE AGAINST SPAM OpenSpam is a project created by users, for users. We believe peace of mind shouldn't come with a price tag or cost you your privacy. Download OpenSpam today and say goodbye to interruptions. Free. Secure. For everyone.
Screenshots
Verdict
The clearest difference is update cadence: OFF at daily against OpenSpam's every 3 weeks. On price, ads, in-app purchases and device support 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
OFF ships an update daily, OpenSpam every 3 weeks. Both last shipped on October 25, 2026.
| Parameter | OFF | OpenSpam |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.9 (10 ratings) — better |
| Positive reviews | — | 25.0% of reviews |
| Number of ratings | — | 10 — better |
| Update frequency | Daily — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 114 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Cross Works | Joaquin Garcia |
In-app purchases
OFF
No in-app purchases
OpenSpam
No in-app purchases









