# C4T vs Neptune PMS

The clearest difference is update cadence: Neptune PMS at every 3 days against C4T's every 4 weeks. 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.

C4T ships an update every 4 weeks, Neptune PMS every 3 days. The most recent releases landed on November 12, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | C4T | Neptune PMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 3 days** |
| Size | 31 MB | 37 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Cloud4Things Technologies Private Limited](https://appshunter.io/developer/1711576065) | [Yogendra Singh](https://appshunter.io/developer/1670835504) |

## What reviewers say

### C4T

[App page](https://appshunter.io/ios/app/c4t/id6449336503)

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

**In-app purchases:** none


### Neptune PMS

[App page](https://appshunter.io/ios/app/neptune-pms/id6807299670)

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

**In-app purchases:** none


## Frequently asked questions

### Is C4T free?

C4T is free to download, with no in-app purchases.

### Is Neptune PMS free?

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

### Do C4T or Neptune PMS have ads?

Neither C4T nor Neptune PMS shows ads.

### Which is updated more often, C4T or Neptune PMS?

C4T ships an update every 4 weeks, and Neptune PMS every 3 days. Most recently, C4T was updated on November 12, 2026 and Neptune PMS on November 6, 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.*