Comparison

MOD Ration Formulation Tool vs Reef Diary Aquarium Management

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

Head to head
About

MOD Ration Formulation Tool

This utility app helps dairy farmers in Sri Lanka create balanced and cost-effective feed rations for their animals. It utilizes readily available feed resources to ensure optimal nutrition.

Highlights
  • Formulate nutrient-adequate diets
  • Calculate least-cost rations
  • Utilize common feed resources
  • Support for dairy animals
  • Designed for Sri Lankan farmers
Features
Read full description

This mobile app will allow dairy farmers in Sri Lanka to formulate nutrient adequate and least cost diets for dairy animals using commonly used feed resources. MOD-RAFT

About

Reef Diary Aquarium Management

Manage your reef or freshwater aquarium with this comprehensive tool. Track water parameters, schedule maintenance, and monitor your aquatic life and equipment. Works offline to keep your ecosystem healthy and thriving.

Highlights
  • Smart parameter tracking for reef and freshwater
  • Visual trend charts for water parameters
  • Multiple tank support
  • Equipment and livestock inventory
  • Maintenance task scheduler with reminders
  • Offline functionality
Features
Read full description

ReefDiary helps reef keepers stay organized, spot changes earlier, and build better care habits for saltwater aquariums. Whether you are maintaining your first nano reef or managing a mature mixed reef, ReefDiary gives you a calm, structured place to record what matters and understand how your aquarium is doing over time. Log key water parameters such as temperature, salinity, pH, alkalinity, calcium, magnesium, nitrate, phosphate, and more. Keep your test history organized so you can review trends instead of relying on memory or scattered notes. Create maintenance tasks for water changes, filter cleaning, dosing, feeding, testing, equipment checks, livestock care, and recurring routines. ReefDiary helps you keep track of what needs attention so important aquarium care does not slip through the cracks. Manage livestock with dedicated records for fish, coral, invertebrates, and other reef inhabitants. Add names, species details, care notes, purchase dates, observations, and status updates so your tank history stays easy to follow. Use the dashboard to get a quick overview of your reef. See recent activity, upcoming tasks, current health signals, and the information you need most when checking in on your aquarium. Review analytics and health insights to better understand your tank’s stability. ReefDiary turns your logs into useful patterns so you can notice parameter swings, track progress, and make more confident reef keeping decisions. Record observations, changes, and important events as they happen. Add notes after testing, dosing, livestock additions, equipment changes, coral placement, or unusual behavior so you always have context for future decisions. ReefDiary is designed for hobbyists who want less guesswork and more consistency. Instead of jumping between spreadsheets, reminders, notebooks, and photos, you can keep your reef diary in one dedicated place built around aquarium care. Use ReefDiary to: Track water test results over time Monitor aquarium health and stability Plan and complete maintenance tasks Keep livestock records organized Record dosing, feeding, and care notes Review trends and recent changes Build a reliable history of your reef Stay consistent with routine tank care Reef keeping rewards patience, observation, and consistency. ReefDiary helps support those habits by making it easier to document your tank, understand what changed, and stay ahead of maintenance. Start building a clearer history of your reef today with ReefDiary. reefdiary.io SUBSCRIPTIONS MoneyDiary Pro Monthly • 1-month auto-renewable subscription • Price is displayed in your local currency before purchase. MoneyDiary Pro Yearly • 1-year auto-renewable subscription • Price is displayed in your local currency before purchase. MoneyDiary Enterprise Monthly • 1-month auto-renewable subscription • Price is displayed in your local currency before purchase. MoneyDiary Enterprise Yearly • 1-year auto-renewable subscription • Price is displayed in your local currency before purchase. Payment will be charged to your Apple Account at confirmation of purchase. Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current billing period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage or cancel your subscriptions at any time in your App Store Account Settings. Privacy Policy: https://moneydiary.io/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

MOD Ration Formulation Tool4 screens
Reef Diary Aquarium Management4 screens

Verdict

The call

The clearest difference is rating: MOD Ration Formulation Tool at 5.0 against Reef Diary Aquarium Management's 1.0. MOD Ration Formulation Tool also leads on in-app purchases (none vs 4) and iOS requirement (12.0 vs 15.1). On price, ratings volume, update cadence and ads 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. Reef Diary Aquarium Management sells 4 in-app purchases, starting at $2.99 per month. MOD Ration Formulation Tool asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

MOD Ration Formulation Tool holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

MOD Ration Formulation Tool ships an update every 3 weeks, Reef Diary Aquarium Management monthly. The most recent releases landed on July 6, 2026 and October 4, 2026 respectively.

Scorecard4 real differences · 6 level
MOD Ration Formulation Tool versus Reef Diary Aquarium Management: the parameters behind the verdict, then further details
ParameterMOD Ration Formulation ToolReef Diary Aquarium Management
PriceFreeFree
Rating5.0 (1 ratings) — better1.0 (1 ratings)
Positive reviews—0.0% of reviews
Number of ratings11
Update frequencyEvery 3 weeks — betterMonthly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Apple Watch — better
Requires iOS12.0 — better15.1
Further details — not scored
Size38 MB58 MB
Age rating4+4+
DeveloperGnanavel SubramaniamChristian Buchholz

Customer experience

MOD Ration Formulation Tool

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Reef Diary Aquarium Management

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

MOD Ration Formulation Tool

No in-app purchases

4 purchases

Reef Diary Aquarium Management

Subscriptions4
  • Reef Diary - Monthly$2.991 Month
  • Reef Diary - Yearly$24.991 Year
  • Enterprise Monthly Subscription$89.991 Month
Show 1 more
  • ReefDiary Yearly Enterprise$699.001 Year

Questions

Is MOD Ration Formulation Tool free?
MOD Ration Formulation Tool is free to download, with no in-app purchases.
Is Reef Diary Aquarium Management free?
Reef Diary Aquarium Management is free to download, with in-app purchases available.
Which has better reviews, MOD Ration Formulation Tool or Reef Diary Aquarium Management?
MOD Ration Formulation Tool is rated higher. MOD Ration Formulation Tool averages 5.0 out of 5 from 1 ratings, while Reef Diary Aquarium Management averages 1.0 from 1 ratings.
Do MOD Ration Formulation Tool or Reef Diary Aquarium Management have ads?
Neither MOD Ration Formulation Tool nor Reef Diary Aquarium Management shows ads.
Which is updated more often, MOD Ration Formulation Tool or Reef Diary Aquarium Management?
MOD Ration Formulation Tool ships an update every 3 weeks, and Reef Diary Aquarium Management monthly. Most recently, MOD Ration Formulation Tool was updated on July 6, 2026 and Reef Diary Aquarium Management on October 4, 2026.

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