Comparison

CTBrowser vs Prism AAC Browser

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

Head to head
About

CTBrowser

This medical app allows users to browse CDISC Terminology by downloading files from NCI EVS. Users can search codelists and view detailed information about them and individual terms. Most features are available offline once terminology files are downloaded.

Highlights
  • Browse CDISC Terminology
  • Download terminology files from NCI EVS
  • Search codelists
  • View codelist and term details
  • Offline access to downloaded files
Read full description

CTBrowser — CDISC Terminology, Anywhere CTBrowser is a simple, fast, offline-first way to browse and search CDISC controlled terminology right on your iPhone. Once a terminology is downloaded, it stays on your device — no internet connection needed to look things up. BROWSE Select any downloaded terminology and browse its codelists. Tap a codelist to see its code, name, submission value, and whether it's extensible, followed by every term inside it — complete with submission value, code, definition, and synonym. SEARCH Full-text search across every terminology you've downloaded. Search by code, name, submission value, synonym, or definition, with matches highlighted right in the results. Found what you need? Jump straight to that term in its codelist with a single tap. DOWNLOAD & MANAGE Fetch the latest CDISC terminology list and download exactly the standards and versions you need over Wi-Fi. Remove anything you no longer need, or clear everything at once from the Files tab. SUPPORTED STANDARDS CDASH, SDTM, ADaM, SEND, Define-XML, Protocol, Glossary, DDF, TMF, and MRCT. PRIVACY CTBrowser does not collect, transmit, or track any of your data. All terminology data is stored only on your device. Whether you're a clinical data manager, biostatistician, programmer, or researcher working with CDISC standards, CTBrowser keeps the terminology you need just a tap away.

About

Prism AAC Browser

Features
Read full description

Prism Browser is a clinical web browser built for healthcare providers and AAC users. Designed for people who navigate the web via head tracking, switch scanning, dwell click, and voice commands. • AAC Accessibility — Head tracking, dwell click, switch scanning, voice commands • Clinical Resources — PubMed, CDC, WHO, NIH, MedlinePlus, AAP • HIPAA Safeguards — PHI redaction, session isolation, content blocking, Face ID • On-Device AI — Synalux Prism models, entirely on your device • Content Blocking — Built-in ad and tracker blocker • No Login Required — Browse freely without an account Free to download and use.

Screenshots

CTBrowser4 screens
Prism AAC Browser3 screens

Verdict

The call

The clearest difference is update cadence: Prism AAC Browser at every 2 days against CTBrowser's every 9 months. Prism AAC Browser also leads on device support (3 vs 1) and iOS requirement (16.0 vs 18.0). On price, 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

CTBrowser ships an update every 9 months, Prism AAC Browser every 2 days. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 6 level
CTBrowser versus Prism AAC Browser: the parameters behind the verdict, then further details
ParameterCTBrowserPrism AAC Browser
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 9 monthsEvery 2 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhoneiPhone, iPad, Mac — better
Requires iOS18.016.0 — better
Further details — not scored
Size1 MB9 MB
Age rating12+17+
DeveloperIppei AkiyaSynalux LLC

In-app purchases

None

CTBrowser

No in-app purchases

None

Prism AAC Browser

No in-app purchases

Questions

Is CTBrowser free?
CTBrowser is free to download, with no in-app purchases.
Is Prism AAC Browser free?
Prism AAC Browser is free to download, with no in-app purchases.
Do CTBrowser or Prism AAC Browser have ads?
Neither CTBrowser nor Prism AAC Browser shows ads.
Which is updated more often, CTBrowser or Prism AAC Browser?
CTBrowser ships an update every 9 months, and Prism AAC Browser every 2 days. Most recently, CTBrowser was updated on October 20, 2026 and Prism AAC Browser on October 25, 2026.

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