# ZAD vs AIDC FM

The clearest difference is price: AIDC FM at Free against ZAD's $1.99. AIDC FM also leads on in-app purchases (none vs 3). ZAD's advantage is update cadence (weekly vs every 5 weeks) and device support (3 vs 1). On ads there is nothing between them.

AIDC FM is free to download; ZAD costs $1.99 up front. ZAD sells 3 one-off in-app purchases. AIDC FM asks for nothing beyond the download.

ZAD ships an update weekly, AIDC FM every 5 weeks. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ZAD | AIDC FM |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[2.6 (12 ratings)](https://appshunter.io/ios/app/zad/id1232505615/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 64.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 5 weeks |
| Monetization | Paid | — |
| Size | 758 MB | 22 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [凯 程](https://appshunter.io/developer/1232505614) | [远儒 易](https://appshunter.io/developer/1800987473) |

## What reviewers say

### ZAD

[App page](https://appshunter.io/ios/app/zad/id1232505615)

This app provides comprehensive guides and interactive maps for a popular adventure game. It features detailed information on recipes, materials, gear, quests, and collectibles, with cross-referencing between different sections for ease of use. Content is continuously updated based on user feedback.

**Highlights:** Interactive map with location linking, Detailed item and material information, Quest guides with sorting options, Monster drop and location data, Gear and set bonuses with upgrade materials, Cloud synchronization for marked data

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6元升级服务 | $0.99 | one-time |
| 捐赠6元 | $0.99 | one-time |
| 捐赠12元 | $1.99 | one-time |


### AIDC FM

[App page](https://appshunter.io/ios/app/aidc-fm-data-center-ops/id6744644168)

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

**In-app purchases:** none


## Frequently asked questions

### Is ZAD free?

ZAD costs $1.99, and also offers in-app purchases.

### Is AIDC FM free?

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

### Do ZAD or AIDC FM have ads?

Neither ZAD nor AIDC FM shows ads.

### Which is updated more often, ZAD or AIDC FM?

ZAD ships an update weekly, and AIDC FM every 5 weeks. Most recently, ZAD was updated on October 29, 2026 and AIDC FM on October 24, 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.*