# λ | Cortex Go vs Paxton Solo

The clearest difference is review sentiment: λ | Cortex Go at 38% against Paxton Solo's 0%. λ | Cortex Go also leads on in-app purchases (none vs 14) and device support (3 vs 1). Paxton Solo's advantage is update cadence (every 2 weeks vs every 3 months). On price, ads and monetization model there is nothing between them.

Both are free to download. Paxton Solo sells 14 one-off in-app purchases. λ | Cortex Go asks for nothing beyond the download.

λ | Cortex Go ships an update every 3 months, Paxton Solo every 2 weeks. The most recent releases landed on September 3, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | λ | Cortex Go | Paxton Solo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cortex-go/id1460785740/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | **37.5% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 28 MB | 97 MB |
| Requires iOS | **9.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [adata ltd](https://appshunter.io/developer/372163703) | [Paxton Access Ltd](https://appshunter.io/developer/363711041) |

## 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


### Paxton Solo

[App page](https://appshunter.io/ios/app/paxton-solo/id6642699074)

Manage access control for your properties remotely. Grant or deny entry, view event logs, and control doors and gates directly from your smartphone. Ensure security and convenience with this intuitive system.

**Highlights:** Remote access control, Grant/deny entry, View event logs, Control doors and gates, Smartphone management

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Solo Credit | $1.00 | one-time |
| 10 Credits | $10.00 | one-time |
| 20 Solo Credits | $20.00 | one-time |
| 50 Solo Credits | $50.00 | one-time |
| 100 Credits | $100.00 | one-time |
| 450 Solo Credits | $450.00 | one-time |
| 500 Solo Credits | $500.00 | one-time |
| 550 Solo Credits | $549.99 | one-time |
| 600 Solo Credits | $600.00 | one-time |
| 650 Solo Credits | $649.99 | one-time |
| 700 Solo Credits | $700.00 | one-time |
| 750 Solo Credits | $749.99 | one-time |
| 800 Solo Credits | $800.00 | one-time |
| 850 Solo Credits | $849.99 | one-time |


## Frequently asked questions

### Is λ | Cortex Go free?

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

### Is Paxton Solo free?

Paxton Solo is free to download, with in-app purchases available.

### Do λ | Cortex Go or Paxton Solo have ads?

Neither λ | Cortex Go nor Paxton Solo shows ads.

### Which is updated more often, λ | Cortex Go or Paxton Solo?

λ | Cortex Go ships an update every 3 months, and Paxton Solo every 2 weeks. Most recently, λ | Cortex Go was updated on September 3, 2026 and Paxton Solo on September 17, 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.*