# Power Three vs Grip Strength

The clearest difference is in-app purchases: Power Three at none against Grip Strength's 4. Power Three also leads on iOS requirement (12.0 vs 18.0). Grip Strength's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Grip Strength sells 4 in-app purchases, starting at $4.99 per month. Power Three asks for nothing beyond the download.

## The numbers

| Metric | Power Three | Grip Strength |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (5 ratings)](https://appshunter.io/ios/app/grip-strength-mrgripper/id6746167747/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Every 3 weeks |
| Monetization | — | Freemium |
| Size | 69 MB | 47 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Landon Curtis](https://appshunter.io/developer/1605508900) | [Rinalds Domanovs](https://appshunter.io/developer/1492041291) |

## What reviewers say

### Power Three

[App page](https://appshunter.io/ios/app/power-three/id6449467555)

**Features:** macOS Compatibility

**In-app purchases:** none


### Grip Strength

[App page](https://appshunter.io/ios/app/grip-strength-mrgripper/id6746167747)

Track, test, and improve your hand and grip strength with detailed metrics. Log workouts, measure progress with dynamometer tests, and manage your equipment all in one place. Designed for athletes, climbers, and those in rehab.

**Highlights:** Personalized onboarding, Workout program templates, Fast workout logging, Dynamometer grip tests, Per-hand tracking, Built-in timer, Gear library

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Weekly | $4.99 | per 7 days |
| Yearly Subscription | $29.99 | per year |
| Yearly | $29.99 | per year |


## Frequently asked questions

### Is Power Three free?

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

### Is Grip Strength free?

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

### Do Power Three or Grip Strength have ads?

Power Three shows ads; Grip Strength does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*