Comparison

Locator Link vs AquaMetr

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

Head to head

App for EML250-ID

About

Locator Link

Features

Read full description

The Tempo Locator Link is your location record keeper and marker data management aid. When connected with the EML250-ID Electronic Marker Locator, it automatically syncs to log and organize all RFID Read and write actions. Also, use the Locator Link to: - Create data templates to be written to your Omni-ID and Spike-ID markers - Export RFID Read and Write data logs - Scan RFID marker QR codes to log serial numbers - Update your locator firmware

About

AquaMetr

Features

Read full description

AquaMetr app is a free app designed to work with the water TDS card from Silicon Craft Technology PLC (SIC). This app provides functions to measure TDS value from drinking water, record date, time and location of each measurement, display the measurement history.

Screenshots

Locator Link4 screens

AquaMetr4 screens

Verdict

The call

The clearest difference is device support: Locator Link at 3 against AquaMetr's 1. Locator Link also leads on iOS requirement (15.0 vs 17.6). On price, update cadence, ads and in-app purchases 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

Locator Link ships an update every 2 weeks, AquaMetr monthly. The most recent releases landed on October 12, 2026 and October 6, 2026 respectively.

Scorecard2 real differences · 4 level

Locator Link versus AquaMetr: the parameters behind the verdict, then further details
Parameter	Locator Link	AquaMetr
Price	Free	Free
Update frequency	Every 2 weeks — better	Monthly
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone
Requires iOS	15.0 — better	17.6
Further details — not scored
Size	39 MB	25 MB
Age rating	4+	4+
Developer	TEMPO COMMUNICATIONS, INC.	SILICON CRAFT TECHNOLOGY PUBLIC COMPANY LIMITED

In-app purchases

None

Locator Link

No in-app purchases

None

AquaMetr

No in-app purchases

Questions

Is Locator Link free?

Locator Link is free to download, with no in-app purchases.

Is AquaMetr free?

AquaMetr is free to download, with no in-app purchases.

Do Locator Link or AquaMetr have ads?

Neither Locator Link nor AquaMetr shows ads.

Which is updated more often, Locator Link or AquaMetr?

Locator Link ships an update every 2 weeks, and AquaMetr monthly. Most recently, Locator Link was updated on October 12, 2026 and AquaMetr on October 6, 2026.