# Ascend Systems vs SFE PocketWISE

The clearest difference is device support: Ascend Systems at 3 against SFE PocketWISE's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 8, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Ascend Systems | SFE PocketWISE |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 16 MB | 190 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 17+ | 4+ |
| Developer | [Sandman Software Systems Inc.](https://appshunter.io/developer/1007104861) | [eScience Corp.](https://appshunter.io/developer/614078248) |

## What reviewers say

### Ascend Systems

[App page](https://appshunter.io/ios/app/ascend-systems/id1406240671)

**In-app purchases:** none


### SFE PocketWISE

[App page](https://appshunter.io/ios/app/sfe-pocketwise/id1440445254)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ascend Systems free?

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

### Is SFE PocketWISE free?

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

### Do Ascend Systems or SFE PocketWISE have ads?

Neither Ascend Systems nor SFE PocketWISE shows ads.

### Which is updated more often, Ascend Systems or SFE PocketWISE?

Ascend Systems ships an update every 2 months, and SFE PocketWISE every 2 months. Most recently, Ascend Systems was updated on September 8, 2026 and SFE PocketWISE 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.*