# CAYIN Signage Assistant vs ALIGN RTK

The clearest difference is iOS requirement: ALIGN RTK at 12.0 against CAYIN Signage Assistant's 14.0. 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.

## The numbers

| Metric | CAYIN Signage Assistant | ALIGN RTK |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | — |
| Size | 29 MB | 21 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [CAYIN鎧應科技](https://appshunter.io/developer/1537732730) | [Align Corporation Limited](https://appshunter.io/developer/485623955) |

## What reviewers say

### CAYIN Signage Assistant

[App page](https://appshunter.io/ios/app/cayin-signage-assistant/id6443804283)

**Features:** macOS Compatibility

**In-app purchases:** none


### ALIGN RTK

[App page](https://appshunter.io/ios/app/align-rtk-1/id6480390141)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CAYIN Signage Assistant free?

CAYIN Signage Assistant is free to download, with no in-app purchases.

### Is ALIGN RTK free?

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

### Do CAYIN Signage Assistant or ALIGN RTK have ads?

Neither CAYIN Signage Assistant nor ALIGN RTK shows ads.

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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.*