# ERAi Client vs Arcus VBT

The clearest difference is rating: Arcus VBT at 5.0 against ERAi Client's 4.4. ERAi Client's advantage is in-app purchases (none vs 2) and ratings volume (9 vs 1). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Arcus VBT sells 2 in-app purchases, starting at $7.99 per month. ERAi Client asks for nothing beyond the download.

Arcus VBT holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: ERAi Client has 9 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

ERAi Client ships an update weekly, Arcus VBT every 8 days. The most recent releases landed on September 14, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | ERAi Client | Arcus VBT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (9 ratings)](https://appshunter.io/ios/app/erai-client/id6768994086/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/arcus-vbt/id6778055009/reviews)** |
| Number of ratings | **9** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 8 days |
| Monetization | **Free** | Freemium |
| Size | 92 MB | 332 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [ERA Fit Tech INC.](https://appshunter.io/developer/1657473947) | [夏雯 姚](https://appshunter.io/developer/1896671999) |

## What reviewers say

### ERAi Client

[App page](https://appshunter.io/ios/app/erai-client/id6768994086)

This app connects you with world-class coaches to guide your fitness, nutrition, and health optimization. Track workouts, nutrition, and health data in one place, with customized plans and real-time messaging for support.

**Highlights:** All-in-one fitness dashboard, Customized workout plans, Advanced nutrition tracking, Real-time coach messaging, Progress analytics, Health data integration

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

**In-app purchases:** none


### Arcus VBT

[App page](https://appshunter.io/ios/app/arcus-vbt/id6778055009)

Analyze barbell training with real-time or imported video analysis. Track key velocity metrics, review reps, and monitor progress over time with detailed charts and cloud sync. Designed for strength athletes and coaches seeking to enhance their training.

**Highlights:** Live camera tracking, Video import analysis, Barbell velocity metrics, Rep-by-rep history, Progress charts, Cloud sync

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Arcus Pro Monthly | $7.99 | per month |
| Arcus Pro Yearly | $49.99 | per year |


## Frequently asked questions

### Is ERAi Client free?

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

### Is Arcus VBT free?

Arcus VBT is free to download, with in-app purchases available.

### Which has better reviews, ERAi Client or Arcus VBT?

Arcus VBT is rated higher. ERAi Client averages 4.4 out of 5 from 9 ratings, while Arcus VBT averages 5.0 from 1 ratings.

### Do ERAi Client or Arcus VBT have ads?

Neither ERAi Client nor Arcus VBT shows ads.

### Which is updated more often, ERAi Client or Arcus VBT?

ERAi Client ships an update weekly, and Arcus VBT every 8 days. Most recently, ERAi Client was updated on September 14, 2026 and Arcus VBT on September 20, 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.*