Comparison

Scan Things vs LegaCAE

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

Head to head
About

Scan Things

Extract objects, people, pets, and artwork from images, URLs, or PDFs. Capture books and documents with searchable, selectable text embedded in PDFs. All processing is done on-device for maximum privacy.

Highlights
  • Extract objects from images
  • Extract text from images and PDFs
  • Save as searchable PDF
  • On-device processing
  • No account required
  • Offline functionality
Read full description

With Scan Things, you can extract objects, people, pets, artwork and just about anything else from any image, image URL, or PDF document.  Scan Things can also capture books and documents with the original images intact and the text extracted and embedded. You can save your scan as a single- or multi-page PDF with all its text fully searchable and selectable. You don't need an account to use Scan Things. You don't need internet access. Your scans never leave your iPhone or iPad as Scan Things does all of its processing on-device. Because your privacy is important (not to mention none of our business), we collect no data whatsoever and we don't use any third-party code. Your privacy is yours, and we think it should stay that way. You can get Scan Things for a one-time purchase and share it with your family at no extra cost. No subscriptions. No adds. No shenanigans. Privacy Policy: https://scanthing.app/privacy-policy/ Terms of Use: https://scanthing.app/terms-of-use/

About

LegaCAE

Features
Read full description

LegaCAE One intelligence. Every model. Continuous memory. LegaCAE (Cognitive Autonomous Engineering) is an AI operating system designed to unify conversations, tools, memory, and reasoning into a single persistent intelligence experience. Instead of switching between different AI apps, assistants, and workflows, LegaCAE creates a continuous cognitive layer that can connect multiple models, local and cloud AI providers, personal knowledge, automation systems, and external tools through one interface. Features • Multi-model AI access from a single conversation • Support for cloud and local AI providers • Continuous memory and contextual awareness • Real-time streaming responses • Cognitive Autonomous Engineering (CAE) insights and pattern detection • Personal knowledge capture and Codex management • Tool and MCP integration for expanded capabilities • Cross-device continuity designed for a persistent AI experience • Privacy-first architecture with support for user-controlled AI infrastructure Built Around CAE Cognitive Autonomous Engineering is the practice of continuously improving understanding, decisions, systems, and workflows through feedback, memory, and verification. LegaCAE helps transform isolated conversations into connected intelligence by tracking patterns, preserving context, and creating continuity across time. Designed for Builders Whether you’re creating software, researching ideas, managing projects, documenting knowledge, or building your own AI ecosystem, LegaCAE provides a unified workspace where intelligence becomes persistent rather than temporary. The Vision What if every AI model, device, application, and service felt like the same intelligence? LegaCAE is built to explore that future.

Screenshots

Scan Things1 screens
LegaCAE4 screens

Verdict

The call

The clearest difference is in-app purchases: LegaCAE at none against Scan Things's 1. LegaCAE also leads on update cadence (weekly vs every 6 weeks). On price, ads, device support and iOS requirement 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. Scan Things sells 1 one-off in-app purchase. LegaCAE asks for nothing beyond the download.

UpkeepUpdate frequency

Scan Things ships an update every 6 weeks, LegaCAE weekly. The most recent releases landed on September 27, 2026 and October 7, 2026 respectively.

Scorecard2 real differences · 8 level
Scan Things versus LegaCAE: the parameters behind the verdict, then further details
ParameterScan ThingsLegaCAE
PriceFreeFree
Rating5.0 (3 ratings) — better—
Positive reviews37.5% of reviews—
Number of ratings3 — better—
Update frequencyEvery 6 weeksWeekly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPad, MaciPhone, iPad, Apple Watch
Requires iOS17.617.0 — better
Further details — not scored
Size222 MB115 MB
Age rating4+17+
DeveloperOperates Spaceships LLCTequan Howell

In-app purchases

1 purchases

Scan Things

One-time1
  • Unlimited Scans$6.99
None

LegaCAE

No in-app purchases

Questions

Is Scan Things free?
Scan Things is free to download, with in-app purchases available.
Is LegaCAE free?
LegaCAE is free to download, with no in-app purchases.
Do Scan Things or LegaCAE have ads?
Neither Scan Things nor LegaCAE shows ads.
Which is updated more often, Scan Things or LegaCAE?
Scan Things ships an update every 6 weeks, and LegaCAE weekly. Most recently, Scan Things was updated on September 27, 2026 and LegaCAE on October 7, 2026.

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