Comparison

LotScan vs Serena

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

Head to head
About

LotScan

Features
Read full description

LotScan transforms your certificate of location into a digital site plan in seconds using artificial intelligence. AUTOMATIC AI DETECTION • Import a photo of your certificate of location • AI automatically detects lot lines, structures, pools, and dimensions • OCR measurements are extracted and linked to lines • Automatic calibration from detected dimensions FULL PLAN EDITOR • Add lot lines with intermediate points to follow true contours • Add, move, and resize structures (house, garage, shed, pool, deck, fence) • Modify structure shapes by moving corners or adding vertices to edges • Manually calibrate from a known dimension on the plan • Adjust the certificate opacity for tracing overlay MEASUREMENTS & DISTANCES • Measure the distance between two walls or lot lines • Display the diagonal between two segments sharing a corner • Check setback margins (front, rear, side) • Distances in violation are displayed in red MUNICIPAL SETBACK MARGINS • Define the setbacks required by your municipality • Automatically see if your structures meet minimum distances • Distinguish existing structures from new construction (permits) PROFESSIONAL PDF EXPORT • Generate a complete site plan in PDF • Export only the new structures for your permit application • Share easily with your municipality or contractor MULTILINGUAL • Available in French, English, and Spanish Ideal for homeowners, contractors, and land surveyors in Quebec who work with certificates of location. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://atikdesign.ca/privacy-lotscan.html

About

Serena

Features
Read full description

Serena is a task manager you talk to. Tell it what's on your mind in plain language and it creates, organizes and reschedules your tasks for you — so you can stop managing lists and get on with your day. CAPTURE IN SECONDS • Type or dictate: "buy bread tomorrow", "remind me to call the doctor Friday at 10" • Ask Siri from your iPhone, Apple Watch or the Mac menu bar • Anything you capture without a date lands in your Inbox, ready to sort later AN ASSISTANT THAT ACTUALLY DOES THE WORK • Ask "what's on for today?" and get your day sorted by priority • Say "organize my inbox" and Serena walks you through it, one task at a time • Overdue tasks? It offers to reschedule them — no guilt trips, no red badges YOUR TASKS, EVERYWHERE • iPhone, Apple Watch and a native Mac app, synced through your private iCloud • Home Screen and Lock Screen widgets with your top 3 for today • Watch complications and one-tap completion from your wrist • Capture from the Mac menu bar without leaving what you're doing BUILT FOR A CLEAR HEAD • Kanban board: Inbox, Today, This week, Later, Waiting, Done • Reminders that actually notify you, repeating tasks, priorities and tags • Search your tasks straight from Spotlight PRIVATE BY DESIGN • Your tasks live on your device and in your own private iCloud — we can't read them • Simple captures are processed on your device with Apple Intelligence, offline • No ads. No analytics. No tracking. FREE AND PRO Everything above is free, including 25 AI chat messages a month and unlimited on-device captures. Serena Pro unlocks unlimited conversation with your assistant. Serena Pro subscription: • Monthly — €4.99/month • Annual — €39.99/year, with a 7-day free trial Payment is charged to your Apple Account at confirmation of purchase. The subscription renews automatically unless cancelled at least 24 hours before the end of the current period; your account is charged for renewal within 24 hours of the end of the period. You can manage or cancel your subscription in your Apple Account settings. Privacy Policy: https://serena.softwaregirona.com Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

LotScan4 screens
Serena4 screens

Verdict

The call

The clearest difference is update cadence: Serena at every 2 weeks against LotScan's every 2 months. On price, ads, in-app purchases 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. LotScan sells 2 in-app purchases, starting at $3.99 per month and Serena sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

LotScan ships an update every 2 months, Serena every 2 weeks. The most recent releases landed on October 31, 2026 and October 5, 2026 respectively.

Scorecard1 real difference Ā· 5 level
LotScan versus Serena: the parameters behind the verdict, then further details
ParameterLotScanSerena
PriceFreeFree
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, Mac, Apple Watch — better
Requires iOS16.0 — better17.0
Further details — not scored
Size103 MB3 MB
Age rating4+4+
DeveloperAtik Design S.E.N.CSOFTWARE GIRONA SOCIEDAD LIMITADA

In-app purchases

2 purchases

LotScan

Subscriptions2
  • LotScan Pro$3.991 Month
  • LotScan Pro$9.991 Year
2 purchases

Serena

Subscriptions2
  • Serena Pro Monthly$4.991 Month
  • Serena Pro Annual$39.991 Year

Questions

Is LotScan free?
LotScan is free to download, with in-app purchases available.
Is Serena free?
Serena is free to download, with in-app purchases available.
Do LotScan or Serena have ads?
Neither LotScan nor Serena shows ads.
Which is updated more often, LotScan or Serena?
LotScan ships an update every 2 months, and Serena every 2 weeks. Most recently, LotScan was updated on October 31, 2026 and Serena on October 5, 2026.

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