# SmartShaker 3 vs Envision AI

The clearest difference is rating: Envision AI at 4.2 against SmartShaker 3's 2.8. Envision AI also leads on review sentiment (58% vs 17%) and ratings volume (596 vs 41). On price, update cadence, 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.

Envision AI holds the better App Store score, 4.2 against 2.8. That said, the two scores are not equally well evidenced: Envision AI has 596 ratings behind it against 41, so its average is the more settled of the two. Written reviews point the same way: 17% of SmartShaker 3's written reviews are positive against 58% of Envision AI's.

SmartShaker 3 ships an update every 2 months, Envision AI every 5 weeks. The most recent releases landed on November 2, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | SmartShaker 3 | Envision AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.8 (41 ratings)](https://appshunter.io/ios/app/smartshaker-3/id1232631923/reviews) | **[4.2 (596 ratings)](https://appshunter.io/ios/app/envision-ai/id1268632314/reviews)** |
| Number of ratings | 41 | **596** |
| Positive reviews | 17.4% of reviews | **58.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 32 MB | 373 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MariHome Tech Limited](https://appshunter.io/developer/6813808803) | [Envision Technologies B.V.](https://appshunter.io/developer/1127228636) |

## What reviewers say

### SmartShaker 3

[App page](https://appshunter.io/ios/app/smartshaker-3/id1232631923)

This app connects to a wireless bed shaker alarm via Bluetooth for reliable and discreet wake-ups. It offers customizable vibration strengths, stores alarm settings directly on the device, and provides notifications for calls and other apps. The long-lasting battery ensures up to 14 days of use on a single charge.

**Highlights:** Bluetooth pairing and control, On-device alarm storage, Adjustable vibration levels, Instant notification alerts, Long-lasting battery life

**In-app purchases:** none


### Envision AI

[App page](https://appshunter.io/ios/app/envision-ai/id1268632314)

This app uses AI and OCR to read text, describe surroundings, and identify objects for users who are blind or have low vision. It offers features like instant text reading in multiple languages, document scanning, scene description, and object detection to promote independence.

**Highlights:** Instant text reading in 60+ languages, Audio-guided document scanning, Scene and object description, Barcode scanning for product info, People and object detection, Image and PDF description

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and accurate text recognition
- 🔍 Excellent object and scene description
- 👍 Helpful for independence and accessibility
- 🔍 Accurate barcode and color recognition

**What reviewers complain about**

- 🐛 Occasional crashes and stability issues
- 🔋 High battery consumption
- 💰 Expensive subscription model
- 🌐 Limited language support

**Reported bugs**

- Instant text reader mixes languages and has poor formatting
- Document scanning sometimes fails to detect document edges
- Facial recognition often misidentifies people
- Barcode scanner not working reliably in latest version

**Requested features**

- Add support for more languages, including Punjabi and Gujarati
- Improve handwriting recognition accuracy
- Implement offline mode for text recognition
- Add a feature to save and organize recognized text


## Frequently asked questions

### Is SmartShaker 3 free?

SmartShaker 3 is free to download, with no in-app purchases.

### Is Envision AI free?

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

### Which has better reviews, SmartShaker 3 or Envision AI?

Envision AI is rated higher. SmartShaker 3 averages 2.8 out of 5 from 41 ratings, while Envision AI averages 4.2 from 596 ratings.

### Do SmartShaker 3 or Envision AI have ads?

Neither SmartShaker 3 nor Envision AI shows ads.

### Which is updated more often, SmartShaker 3 or Envision AI?

SmartShaker 3 ships an update every 2 months, and Envision AI every 5 weeks. Most recently, SmartShaker 3 was updated on November 2, 2026 and Envision AI on November 6, 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.*