Comparison

Kactoily 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

Kactoily

This application monitors water quality for pools, aquariums, and other water bodies. It helps users track essential parameters to maintain healthy water conditions.

Highlights
  • Pool monitoring
  • Water quality tracking
  • Aquarium monitoring
  • Parameter analysis
Features
Read full description

pool monitor,water monitor,aquarium monitor

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

Kactoily4 screens
Koi Worth4 screens

Verdict

The call

The clearest difference is rating: Koi Worth at 5.0 against Kactoily's 2.5. Kactoily's advantage is in-app purchases (none vs 3) and update cadence (every 2 weeks vs every 5 weeks). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Koi Worth sells 3 in-app purchases, starting at $6.99 per month. Kactoily asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Koi Worth holds the better App Store score, 5.0 against 2.5. That said, the two scores are not equally well evidenced: Kactoily has 11 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Kactoily ships an update every 2 weeks, Koi Worth every 5 weeks. The most recent releases landed on October 30, 2026 and September 16, 2026 respectively.

Scorecard5 real differences · 5 level
Kactoily versus Koi Worth: the parameters behind the verdict, then further details
ParameterKactoilyKoi Worth
PriceFreeFree
Rating2.5 (11 ratings)5.0 (1 ratings) — better
Positive reviews25.0% of reviews—
Number of ratings11 — better1
Update frequencyEvery 2 weeks — betterEvery 5 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS1313.0
Further details — not scored
Size62 MB12 MB
Age rating4+4+
Developer彦浩 宋Scott Hause

In-app purchases

None

Kactoily

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 Kactoily free?
Kactoily 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, Kactoily or Koi Worth?
Koi Worth is rated higher. Kactoily averages 2.5 out of 5 from 11 ratings, while Koi Worth averages 5.0 from 1 ratings.
Do Kactoily or Koi Worth have ads?
Neither Kactoily nor Koi Worth shows ads.
Which is updated more often, Kactoily or Koi Worth?
Kactoily ships an update every 2 weeks, and Koi Worth every 5 weeks. Most recently, Kactoily was updated on October 30, 2026 and Koi Worth on September 16, 2026.

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