# λ | Cortex Go vs North Hydraulic Services Ltd

The clearest difference is update cadence: North Hydraulic Services Ltd at every 3 weeks against λ | Cortex Go's every 3 months. λ | Cortex Go's advantage is iOS requirement (9.0 vs 13.0). 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.

λ | Cortex Go ships an update every 3 months, North Hydraulic Services Ltd every 3 weeks. The most recent releases landed on October 21, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | λ | Cortex Go | North Hydraulic Services Ltd |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/cortex-go/id1460785740/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 28 MB | 44 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [adata ltd](https://appshunter.io/developer/372163703) | [Brian Revie](https://appshunter.io/developer/1536927299) |

## What reviewers say

### λ | Cortex Go

[App page](https://appshunter.io/ios/app/cortex-go/id1460785740)

Access and manage your video surveillance system remotely. View live feeds, playback recordings, and receive instant alerts for motion or alarms. Supports multiple NVR models and offers advanced features like digital zoom and PTZ control.

**Highlights:** Live video streaming, Video playback and recording, Push notifications for alarms/motion, Digital zoom and PTZ control, Multi-site connectivity, Instant video snapshots and sharing, P2P connectivity for remote setup

**Features:** macOS Compatibility

**In-app purchases:** none


### North Hydraulic Services Ltd

[App page](https://appshunter.io/ios/app/north-hydraulic-services-ltd/id1606376450)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is λ | Cortex Go free?

λ | Cortex Go is free to download, with no in-app purchases.

### Is North Hydraulic Services Ltd free?

North Hydraulic Services Ltd is free to download, with no in-app purchases.

### Do λ | Cortex Go or North Hydraulic Services Ltd have ads?

Neither λ | Cortex Go nor North Hydraulic Services Ltd shows ads.

### Which is updated more often, λ | Cortex Go or North Hydraulic Services Ltd?

λ | Cortex Go ships an update every 3 months, and North Hydraulic Services Ltd every 3 weeks. Most recently, λ | Cortex Go was updated on October 21, 2026 and North Hydraulic Services Ltd on October 16, 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.*