# C3 Training vs ArvoFit

The clearest difference is in-app purchases: C3 Training at none against ArvoFit's 5. ArvoFit's advantage is update cadence (every 11 days vs every 3 months) and device support (4 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. ArvoFit sells 5 in-app purchases, starting at $6.99 per month. C3 Training asks for nothing beyond the download.

C3 Training ships an update every 3 months, ArvoFit every 11 days. The most recent releases landed on September 29, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | C3 Training | ArvoFit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 11 days** |
| Size | 167 MB | 53 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [C3 Training](https://appshunter.io/developer/1568949133) | [ZTech Solutions](https://appshunter.io/developer/6776645060) |

## What reviewers say

### C3 Training

[App page](https://appshunter.io/ios/app/c3-training/id1568949131)

**Features:** macOS Compatibility

**In-app purchases:** none


### ArvoFit

[App page](https://appshunter.io/ios/app/arvofit/id6776644968)

**Features:** Apple Watch app

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ArvoFit Pro (Monthly) | $6.99 | per month |
| ArvoFit Pro (Yearly) | $54.99 | per year |
| ArvoFit 5 AI Credits | $2.49 | one-time |
| ArvoFit 15 AI Credits | $5.99 | one-time |
| ArvoFit 30 AI Credits | $9.99 | one-time |


## Frequently asked questions

### Is C3 Training free?

C3 Training is free to download, with no in-app purchases.

### Is ArvoFit free?

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

### Do C3 Training or ArvoFit have ads?

Neither C3 Training nor ArvoFit shows ads.

### Which is updated more often, C3 Training or ArvoFit?

C3 Training ships an update every 3 months, and ArvoFit every 11 days. Most recently, C3 Training was updated on September 29, 2026 and ArvoFit on October 10, 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.*