# SKM Mobile vs Powerfish

The clearest difference is in-app purchases: Powerfish at none against SKM Mobile's 1. SKM Mobile's advantage is iOS requirement (12.2 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SKM Mobile sells 1 in-app purchase, starting at $299.99 per year. Powerfish asks for nothing beyond the download.

SKM Mobile ships an update every 7 months, Powerfish every 6 months. The most recent releases landed on September 12, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | SKM Mobile | Powerfish |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (3 ratings)](https://appshunter.io/ios/app/skm-mobile/id1543836977/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 months** |
| Monetization | Subscription | — |
| Size | 132 MB | 36 MB |
| Requires iOS | **12.2** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [S.K.M. SYSTEMS ANALYSIS, INC.](https://appshunter.io/developer/1543836979) | [Powerfish Ltd.](https://appshunter.io/developer/1727335488) |

## What reviewers say

### SKM Mobile

[App page](https://appshunter.io/ios/app/skm-mobile/id1543836977)

Capture field data, view study results, and manage equipment settings on your mobile device. Seamlessly import information to your desktop program and enhance your workflow with on-the-go access to essential project details.

**Highlights:** Field data collection, View study results, Import data to desktop, Capture photos and videos, Scan QR codes, Scribble notes

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SKM Mobile Subscription | $299.99 | per year |


### Powerfish

[App page](https://appshunter.io/ios/app/powerfish/id6476616059)

**In-app purchases:** none


## Frequently asked questions

### Is SKM Mobile free?

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

### Is Powerfish free?

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

### Do SKM Mobile or Powerfish have ads?

Neither SKM Mobile nor Powerfish shows ads.

### Which is updated more often, SKM Mobile or Powerfish?

SKM Mobile ships an update every 7 months, and Powerfish every 6 months. Most recently, SKM Mobile was updated on September 12, 2026 and Powerfish on September 18, 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.*