Surface Area Calculator + Cost vs Certify Photo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Surface Area Calculator + Cost
Calculate the surface area of various 3D geometric shapes and get an estimated cost for materials. Supports multiple units for calculations and results.
- Surface area calculation for 11 shapes
- Material cost estimation
- Multiple unit support
- Results in various units
- Subscription for unlimited access
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Our app helps you to calculate the surface area of several common shapes. This tool also provides a cost of materials estimate. We offer a diverse set of units suitable for almost every country. The results of each calculation are also expressed in many units of different area. We support you with a variety of different types: - Cone - Cube - Sphere - Pyramid - Cylinder - Octahedron - Rectangular - Truncated cone - Triangular Prism - Hexagonal Prism - Triangular Pyramid - Hemispherical Shape SUBSCRIPTION INFORMATION This subscription package offers users unlimited access to all app features throughout the subscription period. • Payment will be charged to iTunes Account at confirmation of purchase. • Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. • Account will be charged for renewal within 24 hours prior to the end of the current period, and identify the cost of the renewal. • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Privacy Policy: https://13520178.github.io/SurfaceAreaCalc/policy.html Terms of Use: https://13520178.github.io/SurfaceAreaCalc/terms.html We are happy to serve! If you have any requests or suggestions, do not hesitate to contact us. Email: phannhatd@gmail.com
Certify Photo
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Certify Photo is a free to use app (offered by Trusty) that lets you take photos that are verifiable, tamper resistant, and ready to be used as evidence. Each photo is automatically linked to GPS coordinates, date and time, and protected with a cryptographic proof recorded on blockchain. A QR code is generated for every photo, allowing anyone to verify the image, its location, and its authenticity through a public report. Perfect for inspections, audits, field data collection, compliance, and legal evidence. Key features GPS location captured at the moment of the photo Automatic date and time certification Blockchain timestamp and transaction hash QR code for instant verification and sharing Public verification report with photo, map, and proof data Works offline and syncs when connection is available Use cases EUDR and supply chain compliance On site inspections and audits Environmental monitoring and field surveys Construction, agriculture, and logistics Legal evidence and documentation Project reporting for public and private organizations GeoCert Photo GPS helps you turn photos into trusted digital evidence. Simple to use. Easy to verify. Built for professionals.
Screenshots
Verdict
The clearest difference is in-app purchases: Certify Photo at none against Surface Area Calculator + Cost's 3. Certify Photo also leads on update cadence (daily vs every 6 months). On price, ads, device support and iOS requirement 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. Surface Area Calculator + Cost sells 3 in-app purchases, starting at $1.99 per month. Certify Photo asks for nothing beyond the download.
Surface Area Calculator + Cost ships an update every 6 months, Certify Photo daily. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | Surface Area Calculator + Cost | Certify Photo |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (24 ratings) — better | — |
| Positive reviews | 22.2% of reviews | — |
| Number of ratings | 24 — better | — |
| Update frequency | Every 6 months | Daily — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 4 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | Phan Nhat Đang | Trusty S.r.l. |
In-app purchases
Surface Area Calculator + Cost
- Premium monthly package$1.991 Month
- Annual Premium Package$14.991 Year
- Remove ads$19.99
Certify Photo
No in-app purchases
Questions
Is Surface Area Calculator + Cost free?
Is Certify Photo free?
Do Surface Area Calculator + Cost or Certify Photo have ads?
Which is updated more often, Surface Area Calculator + Cost or Certify Photo?
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