# 私教备考助手AI版  NSCA vs Arcus VBT

The clearest difference is review sentiment: Arcus VBT at 100% against 私教备考助手AI版  NSCA's 0%. Arcus VBT also leads on rating (5.0 vs 3.0) and update cadence (weekly vs every 3 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. 私教备考助手AI版  NSCA sells 2 one-off in-app purchases and Arcus VBT sells 10 in-app purchases, starting at $6.69 per month. Whichever you choose, the download price is not the number that matters.

Arcus VBT holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 6 respectively. Written reviews point the same way: 0% of 私教备考助手AI版  NSCA's written reviews are positive against 100% of Arcus VBT's.

私教备考助手AI版  NSCA ships an update every 3 months, Arcus VBT weekly. The most recent releases landed on October 19, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 私教备考助手AI版  NSCA | Arcus VBT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/ai-nsca-cpt/id1507650897/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/arcus-vbt/id6778055009/reviews)** |
| Number of ratings | 2 | **6** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 9 MB | 164 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [斌 张](https://appshunter.io/developer/1500701617) | [夏雯 姚](https://appshunter.io/developer/1896671999) |

## What reviewers say

### 私教备考助手AI版  NSCA

[App page](https://appshunter.io/ios/app/ai-nsca-cpt/id1507650897)

A helpful AI assistant for aspiring personal trainers preparing for certification exams. It provides support throughout the study process.

**Highlights:** AI-powered assistance, Exam preparation support, Study process helper, Personal trainer certification focus

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 解锁Pro版 | $1.99 | one-time |
| 解锁Max版 | $4.99 | one-time |


### 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 (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Jump Pro Monthly | $6.69 | per month |
| Lift Pro Monthly | $7.99 | per month |
| Ultra Monthly | $10.99 | per month |
| Arcus Coach 10 Monthly | $19.99 | per month |
| Arcus Coach 20 Monthly | $29.99 | per month |
| Jump Pro Yearly | $45.90 | per year |
| Lift Pro Yearly | $54.90 | per year |
| Ultra Yearly | $75.90 | per year |
| Arcus Coach 10 Yearly | $149.99 | per year |
| Arcus Coach 20 Yearly | $229.99 | per year |


## Frequently asked questions

### Is 私教备考助手AI版  NSCA free?

私教备考助手AI版  NSCA is free to download, with in-app purchases available.

### Is Arcus VBT free?

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

### Which has better reviews, 私教备考助手AI版  NSCA or Arcus VBT?

Arcus VBT is rated higher. 私教备考助手AI版  NSCA averages 3.0 out of 5 from 2 ratings, while Arcus VBT averages 5.0 from 6 ratings.

### Do 私教备考助手AI版  NSCA or Arcus VBT have ads?

Neither 私教备考助手AI版  NSCA nor Arcus VBT shows ads.

### Which is updated more often, 私教备考助手AI版  NSCA or Arcus VBT?

私教备考助手AI版  NSCA ships an update every 3 months, and Arcus VBT weekly. Most recently, 私教备考助手AI版  NSCA was updated on October 19, 2026 and Arcus VBT on October 28, 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.*