B2P Bridge Visualization Tool vs Mayon Volcano
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
B2P Bridge Visualization Tool
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With this tool you can explore the Suspension and Suspended bridges that are being build by Bridges to Prosperity. You can enter on the construction details of some elements of the bridges.
Mayon Volcano
Explore an interactive 3D model of Mayon Volcano, including its summit, underground, and historical eruption sites. Features educational illustrations and real-world data for an immersive learning experience. Optional expedition packs unlock deeper investigations into volcanic processes.
- 3D interactive volcano model
- Historical eruption scenes
- Underground volcanic exploration
- Real-world elevation data
- Classroom resources
- Optional expedition packs
- AI-powered question answering
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Explore Mayon Volcano in Bicol, Philippines, in a free, interactive 3D Earth Lab. Orbit the mountain, change daylight, investigate its conceptual interior and explore historical eruption scenes. START WITH A DISCOVERY A short guide teaches rotation, zoom and daylight controls. Then try a free investigation into magma and pressure and save what you discover. Replay the guide with Start here or explore independently. EXPLORE MAYON FOR FREE • Terrain built from NASA SRTM elevation data and Esri satellite imagery, using real-world metre units. Data resolution has limits; this is an educational landscape model, not a survey. • Historical scenes for 1814, 1968, 1984, 2009 and 2018, with illustrative summit glow, lava fountains and incandescent rockfalls. • Journey Inside through four guided stations in a conceptual volcanic interior. Follow a Crystal to investigate evidence in erupted rock. • The first two stops of each of three expeditions, classroom resources and local journal notes. THE LIVING MOUNTAIN EXPEDITION PACK One optional permanent purchase unlocks the full Mayon investigations and the complete Taal comparison expedition. No subscription and no second Taal purchase. • The Restless Interior: relative pressure, crystals and gas escape. • Read the Mountain: evidence and illustrative seismic traces in a historical 2018 case. • The Volcanic Engine: arc volcanism, the geological carbon cycle and a planetary thought experiment. Established science and the publisher's working thesis are distinguished. The local price appears before purchase. Restore purchases with the same App Store account. TAAL, WHEN YOU ARE READY Mayon remains the starting point. After completing the six free Mayon discoveries, compare Taal Lake and Volcano Island in a separate 3D view. Pack owners can open Taal immediately. Two Taal stops are free; the same pack adds four more. Terrain and imagery sources and their limitations are shown in the experience. OFFICIAL OBSERVATIONS, WITH CONTEXT Read a dated, source-linked PHIVOLCS record when available. Refresh checks our cached service; stale, offline and unavailable states are marked. An external link opens the official camera page. Image availability and timestamps depend on the provider. These are separate from the app's historical illustrations. ASK THE MOUNTAIN Adults 18+ can ask optional AI questions in The Restless Interior after explicit consent. Answers use selected research summaries and show evidence and uncertainty. Internet access, availability and shared usage limits apply. AI can be wrong and cannot assess current hazards. Younger users can explore without AI. CAGSAWA HERITAGE Explore the corrected location in Busay, Daraga. Sources cover the belfry, church walls and buttresses, convent remains and other foundations. Preliminary findings and uncertain identifications are marked. Source assistance does not imply institutional endorsement. NINE INTERFACE LANGUAGES English, Filipino (Tagalog), Indonesian, Japanese, Spanish, Russian, Bengali, Hindi and Brazilian Portuguese. Original source documents and proper names may retain their source language. Save notes on this device and use reduced motion or battery saver. No headset preview is included in this iOS edition. Mayon Volcano is an educational visualization, not a monitoring, warning, forecasting, evacuation or decision-support service. Underground structures and eruption effects are conceptual, not calibrated simulations. It is independent of PHIVOLCS and other monitoring agencies. For current activity and safety instructions, follow PHIVOLCS and local authorities.
Screenshots
Verdict
The clearest difference is in-app purchases: B2P Bridge Visualization Tool at none against Mayon Volcano's 1. B2P Bridge Visualization Tool also leads on iOS requirement (13.0 vs 15.0). Mayon Volcano's advantage is update cadence (every 9 days vs every 19 months). On price, ads 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. Mayon Volcano sells 1 one-off in-app purchase. B2P Bridge Visualization Tool asks for nothing beyond the download.
B2P Bridge Visualization Tool ships an update every 19 months, Mayon Volcano every 9 days. The most recent releases landed on November 12, 2026 and November 13, 2026 respectively.
| Parameter | B2P Bridge Visualization Tool | Mayon Volcano |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 19 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 169 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | Ove Arup & Partners International Ltd | Maha Strategies LLC |
In-app purchases
B2P Bridge Visualization Tool
No in-app purchases
Mayon Volcano
- Living Mountain Expedition$4.99
Questions
Is B2P Bridge Visualization Tool free?
Is Mayon Volcano free?
Do B2P Bridge Visualization Tool or Mayon Volcano have ads?
Which is updated more often, B2P Bridge Visualization Tool or Mayon Volcano?
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