# HelloNav vs Perception Assist

The clearest difference is in-app purchases: HelloNav at none against Perception Assist's 6. HelloNav also leads on iOS requirement (16.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Perception Assist sells 6 in-app purchases, starting at $4.99 per month. HelloNav asks for nothing beyond the download.

HelloNav ships an update every 8 days, Perception Assist every 2 weeks. The most recent releases landed on September 21, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | HelloNav | Perception Assist |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/perception-assist/id6756039728/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 232 MB | 60 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [国斌 马](https://appshunter.io/developer/1688660444) | [Nanjing Zutuanqu Information Science & Technology Co.,Ltd](https://appshunter.io/developer/1352887517) |

## What reviewers say

### HelloNav

[App page](https://appshunter.io/ios/app/hellonav/id6754678052)

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

**In-app purchases:** none


### 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 HelloNav free?

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

### Is Perception Assist free?

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

### Do HelloNav or Perception Assist have ads?

Neither HelloNav nor Perception Assist shows ads.

### Which is updated more often, HelloNav or Perception Assist?

HelloNav ships an update every 8 days, and Perception Assist every 2 weeks. Most recently, HelloNav was updated on September 21, 2026 and Perception Assist on September 14, 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.*