# UDCast vs Sullivan+

The clearest difference is review sentiment: Sullivan+ at 86% against UDCast's 41%. UDCast's advantage is in-app purchases (none vs 3) and iOS requirement (15.6 vs 17.6). On price, update cadence, ads and monetization model there is nothing between them.

Both are free to download. Sullivan+ sells 3 in-app purchases, starting at $9.99 per month. UDCast asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 29, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | UDCast | Sullivan+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (22 ratings)](https://appshunter.io/ios/app/sullivan-plus/id1475001234/reviews)** |
| Number of ratings | — | **22** |
| Positive reviews | 40.7% of reviews | **85.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 13 MB | 136 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Palabra Inc.](https://appshunter.io/developer/942962606) | [TUAT Inc.](https://appshunter.io/developer/1475001045) |

## What reviewers say

### UDCast

[App page](https://appshunter.io/ios/app/udcast/id899342269)

This application converts spoken words into on-screen captions and sign language interpretation. It also offers voice guidance through earphones, enhancing accessibility for users.

**Highlights:** Vocal recognition, On-screen captions, Sign language interpretation, Voice guidance output, Internet-based data download, Device testing function

**Features:** Vision Pro support

**In-app purchases:** none


### Sullivan+

[App page](https://appshunter.io/ios/app/sullivan-plus/id1475001234)

This visual assistance app uses AI and your smartphone camera to describe surroundings, read text, identify faces, and find objects. It offers features like currency recognition and color identification to enhance accessibility for the blind and visually impaired.

**Highlights:** AI object and scene description, Text recognition and reading, Face recognition with age/gender, Object finder with voice guidance, Currency denomination announcement, Color recognition

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $9.99 | per month |
| Pro Usage 5,000 Top-Up | $2.99 | one-time |
| Pro Usage 15,000 Top-Up | $6.99 | one-time |


## Frequently asked questions

### Is UDCast free?

UDCast is free to download, with no in-app purchases.

### Is Sullivan+ free?

Sullivan+ is free to download, with in-app purchases available.

### Do UDCast or Sullivan+ have ads?

Neither UDCast nor Sullivan+ shows ads.

### Which is updated more often, UDCast or Sullivan+?

UDCast ships an update every 2 months, and Sullivan+ every 2 months. Most recently, UDCast was updated on September 29, 2026 and Sullivan+ on October 12, 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.*