Comparison

e vs A.Y. McDonald

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

Head to head
About

e

This tool allows water quality professionals to collect, manage, analyze, and track water quality test parameters. It is designed for water treatment facilities and professionals in the field.

Highlights
  • Water quality data collection
  • Data management
  • Analysis of test parameters
  • Tracking of water quality
  • Designed for professionals
  • Supports water treatment facilities
Features
Read full description

The e-sens ROAM app is a free water quality collection tool to gather, manage, analyze and track all your water quality test parameters. Built for Water quality professionals and water treatment facilities.

About

A.Y. McDonald

Features
Read full description

The A.Y. McDonald Commander provides our customers with an innovative solution for remote water management and control.

Screenshots

e4 screens
A.Y. McDonald3 screens

Verdict

The call

The clearest difference is update cadence: A.Y. McDonald at every 2 weeks against e's every 2 months. A.Y. McDonald also leads on iOS requirement (12.2 vs 15.6). On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

e ships an update every 2 months, A.Y. McDonald every 2 weeks. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.

Scorecard2 real differences · 7 level
e versus A.Y. McDonald: the parameters behind the verdict, then further details
ParametereA.Y. McDonald
PriceFreeFree
Rating5.0 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.612.2 — better
Further details — not scored
Size32 MB117 MB
Age rating4+4+
Developere-sens, Inc.Aquana, LLC

In-app purchases

None

e

No in-app purchases

None

A.Y. McDonald

No in-app purchases

Questions

Is e free?
e is free to download, with no in-app purchases.
Is A.Y. McDonald free?
A.Y. McDonald is free to download, with no in-app purchases.
Do e or A.Y. McDonald have ads?
Neither e nor A.Y. McDonald shows ads.
Which is updated more often, e or A.Y. McDonald?
e ships an update every 2 months, and A.Y. McDonald every 2 weeks. Most recently, e was updated on November 3, 2026 and A.Y. McDonald on October 28, 2026.

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