BannerTrail vs Diamond Tester
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BannerTrail
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Diamond Tester
Identify real diamonds, gems, and crystals with a photo. Get information on authenticity and estimated value. Organize your findings in a personal collection.
- Photo-based diamond identification
- Authenticity verification
- Estimated diamond value
- Gem and crystal analysis
- Personal collection organizer
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Diamond Tester helps you explore and learn about diamonds, gems, and crystals through visual reference. Take a photo of any stone in your collection to receive educational information about its visual characteristics and properties. KEY FEATURES - Visual identification reference for gemstones and crystals - Educational information about the 4 C's (Cut, Clarity, Color, Carat) - Value range estimates based on visible characteristics - Personal collection management to organize your scans - Learn section with gemology basics and stone properties HOW TO USE For best results, place your stone in a clean, well-lit area and take a clear photo. The app will provide visual reference information and educational content related to the characteristics it identifies. PERFECT FOR - Jewelry enthusiasts learning about gemstones - Collectors organizing their stone collections - Students studying gemology basics - Anyone curious about the gems they own - Quick reference for visual stone characteristics YOUR COLLECTION Build and organize your personal gemstone library. Save scans, add notes, and track your collection over time. All data stays on your device. IMPORTANT INFORMATION This app is an educational reference tool. The information provided is for general learning purposes and visual identification reference only. It is NOT a substitute for professional gemological testing or appraisal. For authentication, valuation, or any decisions involving significant financial value, always consult a certified gemologist (GIA, AGS, or equivalent) who can perform proper testing with calibrated equipment. The app cannot definitively verify the authenticity, grade, or precise value of diamonds, gemstones, or crystals. Visual identification has inherent limitations and should be used as a starting point for learning, not as final verification. ____________ Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://meliann.notion.site/Privacy-Policy-For-Diamond-Tester-2a3476f8f041805cb09cea52c0f092d1?pvs=73
Screenshots
Verdict
The clearest difference is in-app purchases: BannerTrail at none against Diamond Tester's 2. BannerTrail also leads on update cadence (daily vs fortnightly) and iOS requirement (15.1 vs 17.6). 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. Diamond Tester sells 2 in-app purchases, starting at $7.99 per 7 days. BannerTrail asks for nothing beyond the download.
BannerTrail ships an update daily, Diamond Tester fortnightly. The most recent releases landed on October 28, 2026 and October 30, 2026 respectively.
| Parameter | BannerTrail | Diamond Tester |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.5 (65 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 65 — better |
| Update frequency | Daily — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 17.6 |
| Further details — not scored | ||
| Size | 16 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Ronald Oscar Lankford | Nicolas Gustavo Melian |
In-app purchases
BannerTrail
No in-app purchases
Diamond Tester
- Weekly Plan3 Days trial$7.997 Days
- Yearly Plan$24.991 Year
Questions
Is BannerTrail free?
Is Diamond Tester free?
Do BannerTrail or Diamond Tester have ads?
Which is updated more often, BannerTrail or Diamond Tester?
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