# CTBrowser vs Prism AAC Browser

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.

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 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | CTBrowser | Prism AAC Browser |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ctbrowser/id6741902913/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 1 MB | 9 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 12+ | 17+ |
| Developer | [Ippei Akiya](https://appshunter.io/developer/1796137539) | [Synalux LLC](https://appshunter.io/developer/1895881089) |

## What reviewers say

### CTBrowser

[App page](https://appshunter.io/ios/app/ctbrowser/id6741902913)

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

**In-app purchases:** none


### Prism AAC Browser

[App page](https://appshunter.io/ios/app/prism-aac-browser/id6781468968)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked 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 30, 2026 and Prism AAC Browser on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*