Comparison

SiteWatch vs Stack61

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

Head to head
About

SiteWatch

Features
Read full description

ESA Sitewatch enables easy and accurate data collection and delivery for footfall counts. It is FREE for individual use and is perfectly suited for surveys requiring counts of pedestrians, cars etc. For more information about the ESA Sitewatch platform, please visit esa-retail.co.uk. Features and benefits of using ESA Sitewatch include: - Mobility – you can complete your assignments right on location - Work Offline – the app downloads shopper allocations to your device so you can complete work where wireless signals may not be available - Data Transfer – data can be transferred back to ESA remotely once signal is available - Simple and intuitive user interface with touch screen facilities for counting - Navigate around the survey to take photos and add anecdotal feedback - Time stamping and geo tracking options available for real time data collection

About

Stack61

Streamline warehouse operations with this mobile inventory management solution. Automate tracking, logging, and searching of materials from your device, with features for QR code tagging, inspections, and live reporting.

Highlights
  • Automated inventory tracking
  • QR code item tagging
  • Material usage logging
  • Mobile inventory search
  • Inspection checklists
  • Live stock reporting
Features
Read full description

Stack61 is an intelligent warehouse and inventory management solution, hosted by Petro IT on a secure cloud and offered as a SaaS subscription. Automate day-to-day inventory operations by accessing material source documentation, tagging, logging, and tracking material usage, and searching for inventory data available on your mobile device; freedom from being logged into an office system.  Make your inventory management mobile and more accessible using Stack61. Easy steps of Stack 61’s Intelligent Inventory Management 1) Log material inventory and optionally also print individual QR codes for each item 2) Issue material receipt, and transfer items from one location to another 3) View Data reports on our web portal Features of Stack61 Inventory Management * Enables user to collect material and attribute information on a mobile application and attach required documentation. * Allows the user to uniquely tag each item or material using a QR code. * Enables inspection using material specific inspection checklists for ensuring completeness. * Leverages company standards and codes to align with company database standards. * Damage/Quarantine inspection process with source documentation. * Track manufacturer to Use movement history on all material. * Provides accurate online stock records of company warehouses and storage yards. * Live reporting provides oversight on material inventory. * Ability to reserve and issue material for projects. Why use Stack 61? * Complete inventory management system customisable according to your materials. * Best iOS inventory management app with intelligent inventory algorithms. * Stack61 is your go-to unique inventory management system for everyday operations. * Provides complete control over your inventory. * Provide customers with excellent service by extracting appropriate documents to backup customer manufacturing documentation immediately, as all records are linked to each material. Use Stack61 to take complete control of your inventory management. Share your experience with Stack61 at info@petroit.com

Screenshots

SiteWatch4 screens
Stack614 screens

Verdict

The call

The clearest difference is update cadence: SiteWatch at every 4 weeks against Stack61's every 2 months. SiteWatch also leads on iOS requirement (13.0 vs 15.0). 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

SiteWatch ships an update every 4 weeks, Stack61 every 2 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 7 level
SiteWatch versus Stack61: the parameters behind the verdict, then further details
ParameterSiteWatchStack61
PriceFreeFree
Rating—3.6 (5 ratings) — better
Number of ratings—5 — better
Update frequencyEvery 4 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size43 MB53 MB
Age rating4+4+
DeveloperESA-RetailPetro IT

In-app purchases

None

SiteWatch

No in-app purchases

None

Stack61

No in-app purchases

Questions

Is SiteWatch free?
SiteWatch is free to download, with no in-app purchases.
Is Stack61 free?
Stack61 is free to download, with no in-app purchases.
Do SiteWatch or Stack61 have ads?
Neither SiteWatch nor Stack61 shows ads.
Which is updated more often, SiteWatch or Stack61?
SiteWatch ships an update every 4 weeks, and Stack61 every 2 months. Most recently, SiteWatch was updated on October 26, 2026 and Stack61 on October 24, 2026.

Other comparisons