Comparison

Compass SG vs KoiApp

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

Head to head
About

Compass SG

Features
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Introducing β€œCompass SG”, the mobile app for tenants to enhance their building experience, stay connected with the community, and easily manage their exclusive tenant perks. With Compass SG, tenants can now easily communicate with the building management and have access to: β€’ Carpark applications, report building issues, facility system request, etc. β€’ Stay up-to-date on building news, promotions and events β€’ Discover marketplace deals and connect with like-minded professionals This productivity and community app makes it easy from the convenience of your smartphone in just a few clicks. What’s more, this app enables our building tenants to connect and access to our marketplace, amenities, retail and dining promotions. Compass SG is the app to take your tenant experience to the next level. Download now and discover a new way to navigate conveniently and access to these delights! Find your way with Compass SG!

About

KoiApp

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KoiApp is the complete app for koi keepers and breeders β€” track every fish, care for your pond, and control it all from your phone. Part of the KoiSoft system. Built for hobbyists and breeders alike, KoiApp brings your whole koi life into one place. β€’ Studio ID cards β€” turn ordinary photos into stunning AI-generated studio portraits, each with its own digital certificate β€’ Growth tracking β€” log length and weight over time and follow every koi's growth curve β€’ Measure from a photo β€” mark a known reference and get an exact length without handling the fish β€’ Scan a fish β€” AI identifies species and variety and estimates size, then carries the fish straight into a KoiDoctor conversation β€’ Water tests β€” log temperature, pH, ammonia, nitrite, nitrate, KH and GH in under a minute, photograph the test strip, and see every value charted over time β€’ KoiDoctor β€” ask about health, symptoms and seasonal care, or have it read a water test: it weighs pH against KH, nitrite against temperature and stocking, and tells you what the situation actually is β€’ Feeding β€” plans that follow water temperature, fish size and the food you use β€’ Breeding β€” KoiMix weighs a pairing and shows the likely offspring; build a family tree with parents and offspring β€’ Marketplace β€” discover koi for sale from breeders, or list your own β€’ Ownership transfer β€” hand a koi to its new owner with the full history: photos, measurements, logs and water tests β€’ Smart hardware β€” connect KoiBox & KoiPlugg devices to monitor and control pump, UV, heating, lights, feeding and water level Free to start. Upgrade to Premium for unlimited logging, 20 studio images per month, multi-device control and more. Terms of Use (EULA): https://koisoft.eu/terms Privacy Policy: https://koisoft.eu/privacy

Screenshots

Compass SG4 screens
KoiApp4 screens

Verdict

The call

The clearest difference is in-app purchases: Compass SG at none against KoiApp's 4. KoiApp's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. KoiApp sells 4 in-app purchases, starting at $4.99 per month. Compass SG asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

Scorecard2 real differences Β· 4 level
Compass SG versus KoiApp: the parameters behind the verdict, then further details
ParameterCompass SGKoiApp
PriceFreeFree
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNo β€” betterYes
DevicesiPhoneiPhone, iPad, iPod β€” better
Requires iOS16.015.0 β€” better
Further details β€” not scored
Size58 MB26 MB
Age rating4+4+
DeveloperHABITAP PTE. LTDKai Bertelsen

In-app purchases

None

Compass SG

No in-app purchases

4 purchases

KoiApp

Subscriptions3
  • KoiSoft Premium$4.991 Month
  • Extra storage$7.991 Year
  • KoiSoft Premium$49.991 Year
One-time1
  • Studio images Γ—20$9.99

Questions

Is Compass SG free?
Compass SG is free to download, with no in-app purchases.
Is KoiApp free?
KoiApp is free to download, with in-app purchases available.
Do Compass SG or KoiApp have ads?
Neither Compass SG nor KoiApp shows ads.
Which is updated more often, Compass SG or KoiApp?
Compass SG ships an update every 2 months, and KoiApp every 2 months. Most recently, Compass SG was updated on November 7, 2026 and KoiApp on October 31, 2026.

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