Comparison

Reef Pulses vs KHG

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

Head to head
About

Reef Pulses

Features
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Wish there is a smarter app for reefing? Reef Pulses is your all-in-one saltwater aquarium companion, built by reefers for reefers. Track your water parameters, calculate precise dosing amounts, set maintenance reminders, and let the app automatically read your test kit charts - all from your phone. With parameter tracking, you can monitor alkalinity, calcium, magnesium, salinity, nitrate, and phosphate with visual gauges and trend charts. Log your readings in seconds and watch your tank's health over time with beautiful, easy-to-read graphs that show exactly where your levels are heading. Our accurate dosing calculator takes the guesswork out of maintaining stable water chemistry. Simply enter your current and target parameters, and Reef Pulses calculates the exact amount of BRS two-part, Kalkwasser, or other supplements to dose. No more math, no more overdosing. Never miss a water test or maintenance task again. Set custom reminders for testing schedules, water changes, filter cleaning, and dosing routines. Push notifications keep you on track so your tank stays healthy without the mental load. The auto calculation for test kit charts is a game changer. Point your camera at your test kit color chart and Reef Pulses reads the result for you - fast, consistent, and accurate every time. No more squinting at color swatches under different lighting. Cloud sync keeps your data safe and accessible. Water change logging helps you track volume, salt mix, and frequency across all your tanks. Reef Pulses' privacy policy, as well as subscription terms are available at https://reefpulse.shop/terms.

About

KHG

Features
Read full description

KHG Dedicated Control is designed for daily operation of KH Guardian devices. With this app, you can quickly connect to your KHG unit on the same local network, view current dKH and system status, and perform common control actions. Key Features: • Connect to a KHG unit and display the live control interface • View device status and test information • Run common control actions and refresh Important Notes: • KH Guardian hardware is required • Your iPhone must be on the same local network as the KHG unit • Before first use, configure IP, port, and device parameters in Settings

Screenshots

Reef Pulses4 screens
KHG4 screens

Verdict

The call

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

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

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

Both are free to download. Reef Pulses sells 2 in-app purchases, starting at $1.99 per month. KHG asks for nothing beyond the download.

UpkeepUpdate frequency

Reef Pulses ships an update fortnightly, KHG every 2 weeks. Both last shipped on October 25, 2026.

Scorecard1 real difference Ā· 5 level
Reef Pulses versus KHG: the parameters behind the verdict, then further details
ParameterReef PulsesKHG
PriceFreeFree
Update frequencyFortnightlyEvery 2 weeks — better
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size31 MB3 MB
Age rating4+4+
DeveloperThai NghiemHua Sen Cheng

In-app purchases

2 purchases

Reef Pulses

Subscriptions2
  • Basic14 Days trial$1.991 Month
  • Essential14 Days trial$19.991 Year
None

KHG

No in-app purchases

Questions

Is Reef Pulses free?
Reef Pulses is free to download, with in-app purchases available.
Is KHG free?
KHG is free to download, with no in-app purchases.
Do Reef Pulses or KHG have ads?
Neither Reef Pulses nor KHG shows ads.
Which is updated more often, Reef Pulses or KHG?
Reef Pulses ships an update fortnightly, and KHG every 2 weeks. Most recently, Reef Pulses was updated on October 25, 2026 and KHG on October 25, 2026.

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