# Robertt vs Maxtek Smart Calculator

The clearest difference is rating: Maxtek Smart Calculator at 5.0 against Robertt's 4.0. Maxtek Smart Calculator also leads on update cadence (every 8 days vs every 2 weeks). Robertt's advantage is ratings volume (17 vs 1) and iOS requirement (11.0 vs 14.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Maxtek Smart Calculator holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Robertt has 17 ratings behind it against 1, so its average is the more settled of the two.

Robertt ships an update every 2 weeks, Maxtek Smart Calculator every 8 days. The most recent releases landed on October 8, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Robertt | Maxtek Smart Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (17 ratings)](https://appshunter.io/ios/app/robertt/id1473930784/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/maxtek-smart-calculator/id6535658380/reviews)** |
| Number of ratings | **17** | 1 |
| Positive reviews | 61.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 8 days** |
| Monetization | Free | Free |
| Size | 192 MB | 24 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [红 苗](https://appshunter.io/developer/1473580071) | [Maxtek](https://appshunter.io/developer/1570100044) |

## What reviewers say

### Robertt

[App page](https://appshunter.io/ios/app/robertt/id1473930784)

Control a robot named Robert via Bluetooth for various interactive functions. You can remotely operate its movements, make it sing and dance, and even create custom dance routines.

**Highlights:** Bluetooth connectivity, Remote control interface, Singing functionality, Dancing capabilities, Dance editing

**Features:** macOS Compatibility

**In-app purchases:** none


### Maxtek Smart Calculator

[App page](https://appshunter.io/ios/app/maxtek-smart-calculator/id6535658380)

Calculates the optimal number of light bulbs required for a room using sensor data and an advanced formula. Helps determine the perfect lighting setup.

**Highlights:** Sensor-based calculation, Advanced formula, Optimal bulb quantity, Room lighting optimization

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Robertt free?

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

### Is Maxtek Smart Calculator free?

Maxtek Smart Calculator is free to download, with no in-app purchases.

### Which has better reviews, Robertt or Maxtek Smart Calculator?

Maxtek Smart Calculator is rated higher. Robertt averages 4.0 out of 5 from 17 ratings, while Maxtek Smart Calculator averages 5.0 from 1 ratings.

### Do Robertt or Maxtek Smart Calculator have ads?

Neither Robertt nor Maxtek Smart Calculator shows ads.

### Which is updated more often, Robertt or Maxtek Smart Calculator?

Robertt ships an update every 2 weeks, and Maxtek Smart Calculator every 8 days. Most recently, Robertt was updated on October 8, 2026 and Maxtek Smart Calculator on September 24, 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.*