# Sullivan+ vs Perception Assist

The clearest difference is review sentiment: Sullivan+ at 86% against Perception Assist's 0%. Sullivan+ also leads on rating (4.4 vs 3.7) and monetization model (free vs free with in-app purchases). Perception Assist's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Sullivan+ sells 3 in-app purchases, starting at $9.99 per month and Perception Assist sells 6 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Sullivan+ holds the better App Store score, 4.4 against 3.7. That said, the two scores are not equally well evidenced: Sullivan+ has 22 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 86% of Sullivan+'s written reviews are positive against 0% of Perception Assist's.

Sullivan+ ships an update every 2 months, Perception Assist every 2 weeks. The most recent releases landed on October 16, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Sullivan+ | Perception Assist |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (22 ratings)](https://appshunter.io/ios/app/sullivan-plus/id1475001234/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/perception-assist/id6756039728/reviews) |
| Number of ratings | **22** | 3 |
| Positive reviews | **85.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 136 MB | 61 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [TUAT Inc.](https://appshunter.io/developer/1475001045) | [南京组团趣信息科技有限公司](https://appshunter.io/developer/1352887517) |

## What reviewers say

### 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 |


### Perception Assist

[App page](https://appshunter.io/ios/app/perception-assist/id6756039728)

This app uses AI to help blind and visually impaired users understand their surroundings. It provides voice guidance and haptic cues for outdoor risks, scene analysis, and object detection, with both on-device and cloud-assisted capabilities.

**Highlights:** Outdoor risk recognition, AI scene analysis, Automatic detection mode, Multilingual voice feedback, On-device and cloud processing, Accessible interaction design, Privacy protection

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cloud AI Guard Monthly Plan | $4.99 | per month |
| Cloud AI Annual Protection Plan | $59.99 | per year |
| Basic Detection Pack | $0.99 | one-time |
| Temp Boost Pack | $4.99 | one-time |
| Short-Term Boost Pack | $6.99 | one-time |
| Travel Boost Pack | $129.99 | one-time |


## Frequently asked questions

### Is Sullivan+ free?

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

### Is Perception Assist free?

Perception Assist is free to download, with in-app purchases available.

### Which has better reviews, Sullivan+ or Perception Assist?

Sullivan+ is rated higher. Sullivan+ averages 4.4 out of 5 from 22 ratings, while Perception Assist averages 3.7 from 3 ratings.

### Do Sullivan+ or Perception Assist have ads?

Neither Sullivan+ nor Perception Assist shows ads.

### Which is updated more often, Sullivan+ or Perception Assist?

Sullivan+ ships an update every 2 months, and Perception Assist every 2 weeks. Most recently, Sullivan+ was updated on October 16, 2026 and Perception Assist on October 2, 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.*