Flash Drivers vs Double Holo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Flash Drivers
This app connects users with a fast and reliable tank delivery service. Clients can easily browse, order, and track deliveries of various tanks directly through the application. It aims to ensure customers never run out of essential supplies.
- Browse and order tanks
- Track deliveries in real-time
- Reliable and fast service
- Convenient for gas customers
- High-quality delivery
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We are the best, fast, reliable and high quality tank delivery service with the click of a button. Clients can browse through different tanks, order them and track them in the app. Help GAS customers never run out of gas again at the most inconvenient time.
Double Holo
A modern marketplace and intelligence platform for trading card collectors. Buy and sell cards with low fees, and utilize premium tools for market analysis, price forecasting, and collection management. Stop guessing and start making confident collecting decisions.
- Low seller fees (4.9%)
- Curated card recommendations
- Reddit sentiment analysis
- Pack value analysis
- Grading ROI analysis
- AI-powered price forecasting
- Real-time portfolio tracking
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Scan any Pokémon card and see its live market price in seconds. Then do what no other card scanner can: sell it, track it, and get alerts, all in one app, with a 4.9% seller fee. THE SCANNER • Point your camera at any raw card or graded slab and get an instant match • Live market price, sales history, and PSA 10 comps on every scan • Built for volume: scan binders, lots, and entire collections fast • The FASTEST Pokemon Card Scanner in the world. Raw cards have a 50ms average scan time. THE PRICE TRACKER • Prices from real sales, refreshed daily • Full price history charts for raw and graded copies • Watchlist any card and get alerts when its price moves THE MARKETPLACE • List a card for sale the moment you scan it • 4.9% seller fee (minimum $1), the lowest of any major card marketplace • Secure Stripe checkout with buyer and seller protection PREMIUM TOOLS • AI Picks: cards the data says to watch, with the reasoning shown • Sentiment: what collectors are saying across Reddit, tracked daily • Pack Value: expected value for every set before you rip • Grading ROI: what a card is worth graded vs raw, minus the fees • Market Research: deep charts, comps, and sales data for any card • Card Alerts: your targets, watched around the clock VENDOR HUB Built for card shops and show vendors: • Point-of-sale for card shows, with split payments • Inventory management with printable price labels • Deal tracking with profit built in • Shopify and eBay sync YOUR COLLECTION, FREE Track your collection with Shiny, included free: every card, graded or raw, with its live value. Join the collectors and vendors who buy, sell, and track on Double Holo every day. Download free and scan your first card in under a minute. Terms and conditions: https://doubleholo.com/terms
Screenshots
Verdict
The clearest difference is rating: Double Holo at 4.7 against Flash Drivers's 3.4. Double Holo also leads on review sentiment (54% vs 25%) and ratings volume (1.5K vs 5). Flash Drivers's advantage is in-app purchases (none vs 12). 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. Double Holo sells 12 in-app purchases, starting at $2.99 per 7 days. Flash Drivers asks for nothing beyond the download.
Double Holo holds the better App Store score, 4.7 against 3.4. That said, the two scores are not equally well evidenced: Double Holo has 1.5K ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 25% of Flash Drivers's written reviews are positive against 54% of Double Holo's.
Flash Drivers ships an update every 3 weeks, Double Holo weekly. The most recent releases landed on October 22, 2026 and October 28, 2026 respectively.
| Parameter | Flash Drivers | Double Holo |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (5 ratings) | 4.7 (1.5K ratings) — better |
| Positive reviews | 25.0% of reviews | 53.7% of reviews — better |
| Number of ratings | 5 | 1.5K — better |
| Update frequency | Every 3 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Best chart rank | — | #18 — better |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.1 — better | 16.0 |
| Further details — not scored | ||
| Size | 74 MB | 246 MB |
| Age rating | 4+ | 12+ |
| Developer | FLASHGAS.COM | Double Holo Inc. |
Customer experience
Flash Drivers
Double Holo
In-app purchases
Flash Drivers
No in-app purchases
Double Holo
- Smart Collector$2.997 Days
- Serious Collector$5.997 Days
- Smart Collector Monthly$9.991 Month
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- Essentials Monthly3 Days trial$14.991 Month
- Serious Collector Monthly$22.991 Month
- Vendor Basic$24.991 Month
- Growth Monthly3 Days trial$26.991 Month
- Smart Collector Annual3 Days trial$59.991 Year
- Essentials Annual3 Days trial$164.991 Year
- Serious Collector Annual3 Days trial$199.991 Year
- Vendor Basic14 Days trial$199.991 Year
- Growth Annual3 Days trial$294.991 Year
