Comparison

Leftover Note vs PlateTrace

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

Head to head
About

Leftover Note

Read full description

You can check expiration dates of the leftover foods and receive reminder notifications before expiration.

About

PlateTrace

This utility app uses your iPhone's camera to automatically detect and record license plates. It captures images, date, time, GPS location, and vehicle details, storing everything securely on your device for privacy.

Highlights
  • Automatic license plate detection
  • Image capture
  • Date and time recording
  • GPS location logging
  • Vehicle make, model, and color identification
  • Secure on-device storage
Read full description

PlateTrace transforms your iPhone into a professional automatic license plate recognition (ALPR) and vehicle identification solution for law enforcement, public safety, parking enforcement, and security operations. Powered by Leonardo's advanced machine learning, neural network technology, and optical character recognition (OCR), PlateTrace license plate reader identifies vehicle characteristics—including make, type, model, and color—in real-world conditions, with highly accurate results. Whether you're managing traffic, searching for a specific vehicle, conducting an investigation, enforcing parking and tolling compliances, or managing access control, PlateTrace delivers fast, reliable plate recognition performance from your mobile device. Key Features User-friendly interface allows you to simply point your camera at a license plate and PlateTrace will automatically read it Highly accurate license plate recognition using your iPhone camera Accurate vehicle identification, including make, model, type, and color Valuable license plate images stamped with GPS location, date, and time Secure LPR data storage on your device Simple uploading of ALPR data to Leonardo's ELSAG® Enterprise Operations Center (EOC) for query and analysis Flexible integration with Leonardo's ALPR ecosystem and third-party applications through APIs PlateTrace combines the convenience of a mobile device with the power of Leonardo's proven automatic license plate recognition (ALPR) technology. Advanced machine learning continuously improves OCR performance across varying lighting conditions, viewing angles, weather, and vehicle movement to help deliver highly accurate results in the field. Ideal for: Law enforcement Public safety Parking management Security operations Tolling operations Smart city initiatives Download PlateTrace today and bring Leonardo's trusted license plate recognition, vehicle identification, and ALPR technology wherever your mission takes you.

Screenshots

Leftover Note4 screens
PlateTrace4 screens

Verdict

The call

Leftover Note and PlateTrace are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Leftover Note ships an update every 3 months, PlateTrace every 5 months. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

ScorecardNo meaningful differences
Leftover Note versus PlateTrace: the parameters behind the verdict, then further details
ParameterLeftover NotePlateTrace
PriceFreeFree
Rating—3.7 (6 ratings) — better
Positive reviews—80.0% of reviews
Number of ratings—6 — better
Update frequencyEvery 3 months — betterEvery 5 months
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.0 — better18.0
Further details — not scored
Size10 MB319 MB
Age rating4+4+
DeveloperWOOSEOK LEELeonardo-US

In-app purchases

None

Leftover Note

No in-app purchases

None

PlateTrace

No in-app purchases

Questions

Is Leftover Note free?
Leftover Note is free to download, with no in-app purchases.
Is PlateTrace free?
PlateTrace is free to download, with no in-app purchases.
Do Leftover Note or PlateTrace have ads?
Neither Leftover Note nor PlateTrace shows ads.
Which is updated more often, Leftover Note or PlateTrace?
Leftover Note ships an update every 3 months, and PlateTrace every 5 months. Most recently, Leftover Note was updated on October 25, 2026 and PlateTrace on October 30, 2026.

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