CTBrowser vs Prism AAC Browser
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Browse CDISC Terminology
- Download terminology files from NCI EVS
- Search codelists
- View codelist and term details
- Offline access to downloaded files
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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.
Prism AAC Browser
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | CTBrowser | Prism AAC Browser |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 9 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad, Mac — better |
| Requires iOS | 18.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 9 MB |
| Age rating | 12+ | 17+ |
| Developer | Ippei Akiya | Synalux LLC |
In-app purchases
CTBrowser
No in-app purchases
Prism AAC Browser
No in-app purchases








