# grav vs Arc

The clearest difference is update cadence: Arc at weekly against grav's every 10 months. grav's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. grav sells 13 in-app purchases, starting at $3.99 per 7 days and Arc sells 5 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

grav ships an update every 10 months, Arc weekly. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | grav | Arc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/arc-beginner-strength-coach/id6761443521/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Weekly** |
| Monetization | — | Free |
| Size | 110 MB | 31 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Jesse Deng](https://appshunter.io/developer/1584491248) | [Arc Fitness](https://appshunter.io/developer/6779452945) |

## What reviewers say

### grav

[App page](https://appshunter.io/ios/app/grav-learn-calisthenics/id6753330228)

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

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gravitix Pro Weekly Discount | $3.99 | per 7 days |
| Gravitix Pro Weekly 7 Day Trial | $4.99 | per 7 days |
| Gravitix Pro (Weekly) | $7.99 | per 7 days |
| Monthly Pro Subscription | $12.99 | per month |
| Gravitix Pro Yearly Discount | $34.99 | per year |
| Gravitix Pro Yearly 7 Day Trial | $39.99 | per year |
| Yearly Subscription | $39.99 | per year |
| Gravitix Pro (Yearly) | $49.99 | per year |
| Gravitix Pro (Lifetime) | $29.99 | one-time |
| Lifetime Pro 49.99 | $49.99 | one-time |
| Lifetime Pro - Discounted | $49.99 | one-time |
| Lifetime Pro 59.99 | $59.99 | one-time |
| Lifetime Pro | $79.99 | one-time |


### Arc

[App page](https://appshunter.io/ios/app/arc-beginner-strength-coach/id6761443521)

This app creates personalized strength training plans based on your goals, experience, and available equipment. It guides you through workouts, tracks your progress, and celebrates personal records. An optional coaching feature offers adaptive plans, exercise form videos, and direct Q&A.

**Highlights:** Personalized workout plans, Equipment-based exercise selection, Guided workout sessions, Progress tracking and PR logging, Exercise form videos, Adaptive training plans (optional)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Arc Coach | $9.99 | per month |
| Arc Coach Pro | $14.99 | per month |
| Arc Coach Pro | $14.99 | per month |
| Arc Coach | $59.99 | per year |
| Arc Coach Pro | $99.99 | per year |


## Frequently asked questions

### Is grav free?

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

### Is Arc free?

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

### Do grav or Arc have ads?

Neither grav nor Arc shows ads.

### Which is updated more often, grav or Arc?

grav ships an update every 10 months, and Arc weekly. Most recently, grav was updated on October 14, 2026 and Arc on October 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.*