Comparison

bloomWatch vs Kor Mobile

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

Head to head
About

bloomWatch

This app allows users to document and track the occurrence of freshwater algae blooms. Your submissions help scientists and public health officials monitor water quality and manage resources for recreation and potable water.

Highlights
  • Document algae bloom occurrences
  • Track bloom location and frequency
  • Contribute to water quality monitoring
  • Support scientific research
  • Report potentially harmful blooms
Features
Read full description

Blooms are visibly abundant proliferations of freshwater algae and have the potential to cause risks to human and animal health. Their occurrence is presently not well documented. bloomWatch is an App that has been developed to track and document the occurrence of these potentially harmful algal blooms. Your input using this App will provide documentation as to the location and frequency of potentially harmful bloom events, helping scientists, water quality managers, and public health officials effectively track and manage the water resources that the public depends on for potable water and recreation.

About

Kor Mobile

Read full description

Kor offers a mobile interface for YSI’s industry-leading EXO Multiparameter Water Quality Sondes, providing powerful, real-time water quality monitoring capabilities in the palm of your hand. Connect to Kor Mobile on your iOS device using a KorLink Bluetooth adapter connected to an EXO sonde via a field cable to establish a Bluetooth connection to view and manage water quality data directly in the field. No internet connection required. Key Features: • Data Management – View recorded data and transfer or share data files in the field  • Site Management – Organize and access data by location • Deployment Tools – Streamline setup and configuration in the field • Sensor Calibration – Perform calibrations directly from your phone • Instrument Settings – Adjust parameters and settings with ease • App Settings – Customize your experience

Screenshots

bloomWatch4 screens
Kor Mobile4 screens

Verdict

The call

bloomWatch and Kor Mobile are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 14, 2026 and September 18, 2026 respectively.

ScorecardNo meaningful differences
bloomWatch versus Kor Mobile: the parameters behind the verdict, then further details
ParameterbloomWatchKor Mobile
PriceFreeFree
Rating3.6 (12 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings12 — better—
Update frequencyEvery 4 monthsEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better14.5
Further details — not scored
Size216 MB41 MB
Age rating4+4+
DeveloperUnited States Environmental Protection Agency (USEPA)Xylem Inc.

In-app purchases

None

bloomWatch

No in-app purchases

None

Kor Mobile

No in-app purchases

Questions

Is bloomWatch free?
bloomWatch is free to download, with no in-app purchases.
Is Kor Mobile free?
Kor Mobile is free to download, with no in-app purchases.
Do bloomWatch or Kor Mobile have ads?
Neither bloomWatch nor Kor Mobile shows ads.
Which is updated more often, bloomWatch or Kor Mobile?
bloomWatch ships an update every 4 months, and Kor Mobile every 4 months. Most recently, bloomWatch was updated on October 14, 2026 and Kor Mobile on September 18, 2026.

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