# Pockster StrongArm vs Within

The clearest difference is update cadence: Within at weekly against Pockster StrongArm's every 108 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Pockster StrongArm ships an update every 108 months, Within weekly. The most recent releases landed on October 12, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Pockster StrongArm | Within |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.4 (5 ratings)](https://appshunter.io/ios/app/pockster-strongarm/id301044470/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 108 months | **Weekly** |
| Monetization | Paid | — |
| Size | 5 MB | 71 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Greg Chaffins](https://appshunter.io/developer/301044473) | [Know Wealth Inc.](https://appshunter.io/developer/1654638517) |

## What reviewers say

### Pockster StrongArm

[App page](https://appshunter.io/ios/app/pockster-strongarm/id301044470)

Measure your physiological state by testing your fine motor control. Hold your iPhone steady with your arm outstretched for one minute to pass the challenge. The app tracks your ability to maintain stillness against gravity and fatigue.

**Highlights:** Measure steady hand control, Test against gravity, Track physiological state, Challenge friends and colleagues, Simple, intuitive gameplay

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

**In-app purchases:** none


### Within

[App page](https://appshunter.io/ios/app/within-shadow-work-journal/id6762239886)

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

**In-app purchases:** none


## Frequently asked questions

### Is Pockster StrongArm free?

Pockster StrongArm is free to download, with no in-app purchases.

### Is Within free?

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

### Do Pockster StrongArm or Within have ads?

Neither Pockster StrongArm nor Within shows ads.

### Which is updated more often, Pockster StrongArm or Within?

Pockster StrongArm ships an update every 108 months, and Within weekly. Most recently, Pockster StrongArm was updated on October 12, 2026 and Within on October 13, 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.*