Comparison

Slong vs Flippr

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Slong

This utility app connects to a viewing device via Wi-Fi to display live macro lens images on your mobile screen. Capture photos and videos directly from the live preview and save them to your device's album. It offers screen rotation and multi-language support for a seamless user experience.

Highlights
  • Wi-Fi connection to viewing devices
  • Live macro lens image display
  • Photo and video capture
  • Save to device album
  • Screen rotation support
  • Multi-language environment
Features
Read full description

The app connects to a viewing device via wireless wifi and can display live macro lens images on a mobile device. When previewing the live view, you can take photos or videos and view them in your own album or system album. It also supports device screen rotation, multi-language environment and other functions.

About

Flippr

This AI-powered app helps resellers quickly identify secondhand items from photos, estimate their market value, and streamline the listing process for platforms like eBay. It analyzes sold data to inform purchasing and selling decisions, making reselling more efficient.

Highlights
  • AI photo pricing for secondhand items
  • Bulk media scanning
  • Barcode scanning
  • eBay autolisting
  • Real-time sold and current listing data
  • CSV export
Features
Read full description

Flippr is an AI-powered reselling app built for faster sourcing, pricing, and eBay listing. Snap a photo of a pile, shelf, box, or stack of secondhand goods and Flippr identifies multiple items, pulls real marketplace sold comps, estimates resale value, and helps you decide what’s worth buying, listing, or skipping. Flippr is especially useful for eBay sellers, thrift store flippers, collectors, and bulk media resellers who need to scan, price, and list inventory fast. With Flippr’s eBay autolister, you can move from scanned inventory to ready-to-publish eBay listings faster, reducing manual research and helping you list more items with less work. Flippr works great for: • Physical media: video games, books, movies, DVDs, CDs, and vinyl records in bulk • Trading cards and collectibles • Toys, tech, housewares, and thrift finds • Yard sales, estate sales, storage cleanouts, and sourcing runs What you'll see: • Real-time sold and current listings • Sell-through rate and Flippr score • Current market value range • Average sold price How it works: 1. Snap a photo — one image can include dozens of items 2. Flippr identifies the items and displays matching listings and pricing data 3. Confirm or edit matches and condition for better accuracy 4. Save, share, export to CSV, or create eBay listings faster Features: • AI photo pricing for many secondhand item types • Bulk media scanning from cover, spine, cartridge, or disc photos • Barcode scanning for games, books, movies, DVDs, and CDs • eBay autolisting to help turn scanned inventory into listings faster • Condition edits for more accurate comps • Pricing and sell-through rate from real marketplace sold data • CSV export for inventory and listing workflows Notes: • Best results in good lighting with items clearly visible and less overlap • Some categories may return fewer matches depending on photo quality and available data • Prices are estimates; actual sale price can vary Flippr helps you sell smarter and move faster, so anyone can resell with confidence. Start free and upgrade for more scans. Terms of Service: https://www.useflippr.com/terms Privacy Policy: https://www.useflippr.com/privacy eBay is a trademark of eBay Inc. Flippr is not affiliated with or endorsed by eBay.

Screenshots

Slong4 screens
Flippr4 screens

Verdict

The call

The clearest difference is rating: Flippr at 4.7 against Slong's 1.0. Flippr also leads on update cadence (every 3 days vs every 5 weeks) and ratings volume (2K vs 1). Slong's advantage is in-app purchases (none vs 10) and iOS requirement (13.0 vs 15.1). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Flippr sells 10 in-app purchases, starting at $7.99 per month. Slong asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Flippr holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Flippr has 2K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Slong ships an update every 5 weeks, Flippr every 3 days. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.

Scorecard6 real differences · 4 level
Slong versus Flippr: the parameters behind the verdict, then further details
ParameterSlongFlippr
PriceFreeFree
Rating1.0 (1 ratings)4.7 (2K ratings) — better
Positive reviews—57.0% of reviews
Number of ratings12K — better
Update frequencyEvery 5 weeksEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.1
Further details — not scored
Size12 MB106 MB
Age rating4+12+
DeveloperShenzhen Shenglong Technology Co., LtdFlippr

Customer experience

Slong

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

Flippr

All ratings1,956 ratings
Positive93.7%
Neutral1.9%
Negative4.4%
Written reviews149 reviews
Positive57.0%
Neutral4.7%
Negative38.3%

Bugs and requests

Slong

Not enough reviews yet to summarise bugs or requests.

Flippr

Reported bugs

2 issues
  • Constant 'try again' errors
  • Incompatibility with certain devices

Requested features

2 requests
  • Support for books and other media
  • More transparent pricing information

In-app purchases

None

Slong

No in-app purchases

10 purchases

Flippr

Subscriptions10
  • Starter (Monthly)7 Days trial$7.991 Month
  • Standard Monthly$8.991 Month
  • Premium (Monthly) Limited Offer$8.991 Month
Show 7 more
  • Flippr Unlimited7 Days trial$19.991 Month
  • Flippr Standard Monthly$24.991 Month
  • Flippr Unlimited7 Days trial$24.991 Month
  • Flippr Unlimited7 Days trial$79.991 Year
  • Unlimited Flippr7 Days trial$94.991 Year
  • Flippr Unlimited7 Days trial$119.991 Year
  • Pro Subscription7 Days trial$500.001 Month

Questions

Is Slong free?
Slong is free to download, with no in-app purchases.
Is Flippr free?
Flippr is free to download, with in-app purchases available.
Which has better reviews, Slong or Flippr?
Flippr is rated higher. Slong averages 1.0 out of 5 from 1 ratings, while Flippr averages 4.7 from 2K ratings.
Do Slong or Flippr have ads?
Neither Slong nor Flippr shows ads.
Which is updated more often, Slong or Flippr?
Slong ships an update every 5 weeks, and Flippr every 3 days. Most recently, Slong was updated on October 30, 2026 and Flippr on November 9, 2026.

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