# Blynk IoT vs Viam Robotics

The clearest difference is review sentiment: Viam Robotics at 100% against Blynk IoT's 42%. Viam Robotics also leads on rating (5.0 vs 4.5) and in-app purchases (none vs 7). Blynk IoT's advantage is ratings volume (819 vs 7). On price, update cadence and ads there is nothing between them.

Both are free to download. Blynk IoT sells 7 in-app purchases, starting at $6.99 per month. Viam Robotics asks for nothing beyond the download.

Viam Robotics holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Blynk IoT has 819 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 42% of Blynk IoT's written reviews are positive against 100% of Viam Robotics's.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 22, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Blynk IoT | Viam Robotics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (819 ratings)](https://appshunter.io/ios/app/blynk-iot/id1559317868/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/viam-robotics/id6451424162/reviews)** |
| Number of ratings | **819** | 7 |
| Positive reviews | 42.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 83 MB | 59 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Blynk Technologies](https://appshunter.io/developer/808760484) | [Viam, Inc.](https://appshunter.io/developer/1651003694) |

## What reviewers say

### Blynk IoT

[App page](https://appshunter.io/ios/app/blynk-iot/id1559317868)

Build custom IoT apps without coding using a drag-and-drop interface. Manage devices, users, and data remotely with a powerful web console and scalable cloud infrastructure. Supports over 400 hardware boards and various connection options.

**Highlights:** Drag-n-drop IoT app builder, Device and user management, OTA firmware updates, Secure cloud infrastructure, Hardware compatibility (400+ boards), Real-time alerts and automations

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Blynk MAKER - Monthly | $6.99 | per month |
| Blynk Starter - Monthly | $29.00 | per month |
| Blynk PRO (40 users) Monthly | $48.99 | per month |
| Blynk MAKER - Yearly | $59.99 | per year |
| Blynk PRO (100 users) Monthly | $98.99 | per month |
| Blynk PRO (50 users) Monthly | $99.00 | per month |
| Blynk PRO (500 users) Monthly | $299.99 | per month |

**What reviewers like**

- 🚀 Easy to use
- 🚀 Powerful IoT platform
- 🚀 Efficient for rapid prototyping
- 👍 Great for hobbyists and businesses
- 👍 Stable and reliable

**What reviewers complain about**

- 💰 Expensive subscription model
- 🐛 Unstable, crashes frequently
- 🤔 Confusing for beginners
- 🤔 Lacks flexibility compared to legacy version
- 🤔 Limited free features

**Reported bugs**

- Connectivity issues with devices
- Widgets not working as expected
- Account deletion without warning
- Incompatibility with older hardware

**Requested features**

- Dark mode option
- Bluetooth support
- Better documentation and tutorials
- Restore legacy app functionality
- Affordable pricing for hobbyists


### Viam Robotics

[App page](https://appshunter.io/ios/app/viam-robotics/id6451424162)

Control and connect to smart machines running on Viam directly from your mobile device. Manage your robotics projects remotely and efficiently.

**Highlights:** Connect to smart machines, Control smart machines, Mobile device control, Remote machine management

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

**In-app purchases:** none


## Frequently asked questions

### Is Blynk IoT free?

Blynk IoT is free to download, with in-app purchases available.

### Is Viam Robotics free?

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

### Which has better reviews, Blynk IoT or Viam Robotics?

Viam Robotics is rated higher. Blynk IoT averages 4.5 out of 5 from 819 ratings, while Viam Robotics averages 5.0 from 7 ratings.

### Do Blynk IoT or Viam Robotics have ads?

Neither Blynk IoT nor Viam Robotics shows ads.

### Which is updated more often, Blynk IoT or Viam Robotics?

Blynk IoT ships an update monthly, and Viam Robotics monthly. Most recently, Blynk IoT was updated on September 22, 2026 and Viam Robotics on September 11, 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.*