# Ghost Call DX vs SAYGO4.0

The clearest difference is review sentiment: Ghost Call DX at 63% against SAYGO4.0's 24%. SAYGO4.0's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Ghost Call DX sells 2 one-off in-app purchases. SAYGO4.0 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 29, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Ghost Call DX | SAYGO4.0 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (26 ratings)](https://appshunter.io/ios/app/ghost-call-dx/id735127946/reviews)** | — |
| Number of ratings | **26** | — |
| Positive reviews | **63.0% of reviews** | 24.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 66 MB | 1 MB |
| Requires iOS | 15.0 | **14.5** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [MediaActive Inc.](https://appshunter.io/developer/566799707) | [SAYPENELECTRONICS Co., Ltd.](https://appshunter.io/developer/1271991131) |

## What reviewers say

### Ghost Call DX

[App page](https://appshunter.io/ios/app/ghost-call-dx/id735127946)

This app offers interactive character calls and animations designed to encourage good behavior in children. Featuring a variety of popular characters with unique voices and scenarios, it aims to make learning routines like brushing teeth and tidying up fun.

**Highlights:** Interactive character calls, 2.5D animation, Rotating character voices, Encourages good habits, Multiple popular characters, Educational scenarios

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100points | $0.99 | one-time |
| 200points | $1.99 | one-time |


### SAYGO4.0

[App page](https://appshunter.io/ios/app/saygo40/id1271991132)

This app allows users to stream educational video content and audio from Saypen devices without downloads. It offers a "Ten Ten Education System" for enhanced learning efficiency and focus. The app supports a simple three-step process for easy access to learning materials anytime, anywhere.

**Highlights:** Stream video and audio content, No download required, Ten Ten Education System, Easy three-step access, Home-schooling support, Bluetooth connectivity with Saypen

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

**In-app purchases:** none


## Frequently asked questions

### Is Ghost Call DX free?

Ghost Call DX is free to download, with in-app purchases available.

### Is SAYGO4.0 free?

SAYGO4.0 is free to download, with no in-app purchases.

### Do Ghost Call DX or SAYGO4.0 have ads?

Ghost Call DX shows ads; SAYGO4.0 does not.

### Which is updated more often, Ghost Call DX or SAYGO4.0?

Ghost Call DX ships an update every 2 months, and SAYGO4.0 every 2 months. Most recently, Ghost Call DX was updated on October 29, 2026 and SAYGO4.0 on October 26, 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.*