Comparison

SmartAquar vs Koi Worth

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

Head to head
About

SmartAquar

Remotely manage your aquarium's heating rod from any location. Supports controlling multiple devices simultaneously and allows for easy sharing with family members. Receive instant notifications about your tank's status.

Highlights
  • Remote heating rod control
  • Multi-device support
  • Automatic operation
  • Device sharing
  • Real-time condition alerts
Features
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*Control your water tank heating rod anytime and anywhere *Supports multi device control, one device, automatic operation *Device sharing, intelligent life shared by the whole family *Push messages to keep track of water tank conditions at all times

About

Koi Worth

This app uses AI to analyze and grade koi fish from photos, providing insights into their body shape, color, pattern, and growth potential. It also estimates market value, identifies potential investments, and helps users track their koi collections.

Highlights
  • AI koi grading (body shape, color, pattern, growth)
  • Real market value estimates
  • 5K Sleeper analysis for investment potential
  • Dealer price insights
  • Compare multiple koi
  • Track koi collection and development
  • Development forecasts
Features
Read full description

Koi Worth is the most advanced AI-powered koi grading and valuation app, designed for hobbyists, collectors, and serious breeders. Simply upload or take a photo of your koi and receive an instant, data-driven grading analysis based on body shape, color quality, pattern, and growth potential. KEY FEATURES AI KOI GRADING Get instant grading scores across: • Body Shape • Color Quality • Pattern • Growth Potential • Overall Score REAL MARKET VALUE ESTIMATES See what your koi is worth in today’s market with a dynamic price range based on: • Variety and quality • Breeder reputation • Size and age • Market trends 5K SLEEPER ANALYSIS Discover hidden gems with our proprietary 5K Sleeper system: • Identify breakout potential koi • Understand long-term value (3–5 years) • See risk and upside factors clearly DEALER PRICE INSIGHTS Know when to buy: • Below Market Opportunity • Fair Market Price • Dealer Premium alerts COMPARE MULTIPLE KOI Upload multiple fish and compare: • Value • Growth potential • Best overall pick TRACK YOUR COLLECTION Build your personal koi portfolio: • Save grading history • Monitor development over time • Track purchases and value changes DEVELOPMENT FORECASTS Understand how your koi may evolve: • Body growth expectations • Pattern development insights • Skin and color improvement trends WHO IT’S FOR • Koi hobbyists learning to evaluate fish • Collectors building high-quality ponds • Investors looking for undervalued koi • Breeders tracking development potential WHY KOI WORTH Koi Worth combines AI analysis with real-world koi market logic to give you a clear, trustworthy understanding of your fish — instantly. Whether you're buying, selling, or growing your collection, Koi Worth helps you make smarter decisions with confidence.

Screenshots

SmartAquar4 screens
Koi Worth4 screens

Verdict

The call

The clearest difference is rating: Koi Worth at 5.0 against SmartAquar's 2.0. Koi Worth also leads on iOS requirement (13.0 vs 15.5). SmartAquar's advantage is in-app purchases (none vs 3) and ratings volume (3 vs 1). On price, update cadence, 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. Koi Worth sells 3 in-app purchases, starting at $6.99 per month. SmartAquar asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Koi Worth holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

UpkeepUpdate frequency

SmartAquar ships an update every 2 months, Koi Worth every 5 weeks. The most recent releases landed on October 7, 2026 and September 16, 2026 respectively.

Scorecard5 real differences · 5 level
SmartAquar versus Koi Worth: the parameters behind the verdict, then further details
ParameterSmartAquarKoi Worth
PriceFreeFree
Rating2.0 (3 ratings)5.0 (1 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings3 — better1
Update frequencyEvery 2 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.513.0 — better
Further details — not scored
Size69 MB12 MB
Age rating17+4+
DeveloperGizwits IoT Technology Co., Ltd.Scott Hause

In-app purchases

None

SmartAquar

No in-app purchases

3 purchases

Koi Worth

Subscriptions3
  • Hobby Plan$6.991 Month
  • Collector Plan$14.991 Month
  • MASTER$29.991 Month

Questions

Is SmartAquar free?
SmartAquar is free to download, with no in-app purchases.
Is Koi Worth free?
Koi Worth is free to download, with in-app purchases available.
Which has better reviews, SmartAquar or Koi Worth?
Koi Worth is rated higher. SmartAquar averages 2.0 out of 5 from 3 ratings, while Koi Worth averages 5.0 from 1 ratings.
Do SmartAquar or Koi Worth have ads?
Neither SmartAquar nor Koi Worth shows ads.
Which is updated more often, SmartAquar or Koi Worth?
SmartAquar ships an update every 2 months, and Koi Worth every 5 weeks. Most recently, SmartAquar was updated on October 7, 2026 and Koi Worth on September 16, 2026.

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