# Cubii vs Smart Strength

The clearest difference is rating: Smart Strength at 5.0 against Cubii's 3.4. Smart Strength also leads on update cadence (weekly vs monthly). Cubii's advantage is in-app purchases (none vs 1) and ratings volume (433 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. Smart Strength sells 1 in-app purchase, starting at $5.99 per month. Cubii asks for nothing beyond the download.

Smart Strength holds the better App Store score, 5.0 against 3.4. That said, the two scores are not equally well evidenced: Cubii has 433 ratings behind it against 1, so its average is the more settled of the two.

Cubii ships an update monthly, Smart Strength weekly. The most recent releases landed on October 21, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Cubii | Smart Strength |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (433 ratings)](https://appshunter.io/ios/app/cubii/id1038009195/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/smart-strength/id6769226289/reviews)** |
| Number of ratings | **433** | 1 |
| Positive reviews | 28.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 121 MB | 2 MB |
| Requires iOS | **13** | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Fitness Cubed Inc](https://appshunter.io/developer/1038009194) | [Brain Builder](https://appshunter.io/developer/1896641534) |

## What reviewers say

### Cubii

[App page](https://appshunter.io/ios/app/cubii/id1038009195)

Enhance your workday with this companion app for a smart desk elliptical. Track your activity in real-time, set personal fitness goals, and compete with friends to stay motivated and achieve a healthier lifestyle.

**Highlights:** Real-time activity tracking (strides, distance, calories), Goal setting and progress tracking, Push notifications for motivation, Social competition with friends and groups, Wireless Bluetooth syncing, Integration with Apple Health and Fitbit

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Excellent exercise equipment
- 👍 Great app integration
- 💪 Helps with injury rehab and staying active
- 🤝 Good customer service

**What reviewers complain about**

- 🐛 App crashes and syncing issues
- 🔨 Unreliable data tracking and recording
- 🤔 Confusing app interface and functionality
- 🔍 Lack of support for older/non-Bluetooth models

**Reported bugs**

- App fails to record full workout sessions
- Data resets at midnight, losing historical progress
- Resistance controls not working as expected
- Inability to manually add or edit workout data

**Requested features**

- Add manual workout entry option
- Improve app connectivity and sync reliability
- Provide more customization and social features
- Develop an Apple Watch app


### Smart Strength

[App page](https://appshunter.io/ios/app/smart-strength/id6769226289)

This AI-powered strength training app generates personalized workout programs based on your equipment, schedule, and experience. It adapts as you progress, offering smart suggestions for weight and logging your workouts and nutrition in natural language.

**Highlights:** AI-generated personalized workout programs, Adaptive progression based on logged workouts, Smart weight suggestions, Natural language nutrition logging, Progress tracking with PR detection, AI-powered insights on training and recovery, Integrations with Whoop, Renpho, and Strava

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Smart Strength Pro | $5.99 | per month |


## Frequently asked questions

### Is Cubii free?

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

### Is Smart Strength free?

Smart Strength is free to download, with in-app purchases available.

### Which has better reviews, Cubii or Smart Strength?

Smart Strength is rated higher. Cubii averages 3.4 out of 5 from 433 ratings, while Smart Strength averages 5.0 from 1 ratings.

### Do Cubii or Smart Strength have ads?

Neither Cubii nor Smart Strength shows ads.

### Which is updated more often, Cubii or Smart Strength?

Cubii ships an update monthly, and Smart Strength weekly. Most recently, Cubii was updated on October 21, 2026 and Smart Strength on October 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.*