Comparison

AuctionCX vs ReefKG

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

Head to head
About

AuctionCX

Features
Read full description

AuctionCX provides dealers with a streamlined customer service experience across multiple auctions nationwide.

About

ReefKG

Features
Read full description

ReefKG โ€“ Reef Tank Management App The smartest way to manage your reef aquarium. ReefKG helps reef keepers stay consistent with dosing, parameter tracking, and maintenance, powered by an Autonomous Stability Engine that monitors your tank around the clock. Functionality: - Reef parameter tracking, log alkalinity, calcium, and core reef parameters after every test. - Smart dosing calculator with intelligence that doesn't just calculate your dose it learns your tank and controls it. - The Autonomous Stability Engine monitors chemistry trends and catches drift early. - Real-time alerts notify you when parameters are off or maintenance is overdue, while aquarium maintenance reminders help schedule water changes, testing, and dosing routines. - Tank log, every test, dose, and maintenance action recorded in one place. - Trend charts, track how your parameters move over time. Built for: - Reef tank hobbyists, managing calcium, alkalinity, and reef parameters daily. - Saltwater aquarium owners who want structured, reliable reef care. - Nano reef and coral tank keepers. - Beginners and experienced aquarists alike. Your reef aquarium management companion to help you master reef tank stability for a thriving reef today and tomorrow One app. Everything your reef needs to stay stable, healthy, and thriving. Subscription Information: ReefKG offers auto-renewable subscription for premium features: โ€ข Monthly Subscription (1 month) Subscription pricing is displayed in your local currency inside the app and on the App Store subscription sheet at the time of purchase. Payment will be charged to your Apple ID account at confirmation of purchase. Subscription renews automatically unless canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage or cancel your subscription anytime in your App Store account settings. Privacy Policy: https://reefkg.com/privacy-policy/ Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

AuctionCX4 screens
ReefKG4 screens

Verdict

The call

The clearest difference is in-app purchases: AuctionCX at none against ReefKG's 2. On price, update cadence, ads and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. ReefKG sells 2 in-app purchases, starting at $12.99 per month. AuctionCX asks for nothing beyond the download.

UpkeepUpdate frequency

AuctionCX ships an update every 10 days, ReefKG fortnightly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

Scorecard1 real difference ยท 5 level
AuctionCX versus ReefKG: the parameters behind the verdict, then further details
ParameterAuctionCXReefKG
PriceFreeFree
Update frequencyEvery 10 days โ€” betterFortnightly
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0.015.0
Further details โ€” not scored
Size50 MB58 MB
Age rating4+4+
DeveloperAuctionVcommerce, LLCReefkg corporation

In-app purchases

None

AuctionCX

No in-app purchases

2 purchases

ReefKG

Subscriptions2
  • Premium Monthly Plan$12.991 Month
  • Premium Yearly Plan$95.901 Year

Questions

Is AuctionCX free?
AuctionCX is free to download, with no in-app purchases.
Is ReefKG free?
ReefKG is free to download, with in-app purchases available.
Do AuctionCX or ReefKG have ads?
Neither AuctionCX nor ReefKG shows ads.
Which is updated more often, AuctionCX or ReefKG?
AuctionCX ships an update every 10 days, and ReefKG fortnightly. Most recently, AuctionCX was updated on November 5, 2026 and ReefKG on October 31, 2026.

Other comparisons