# FD Service vs IAMTN

The clearest difference is update cadence: FD Service at monthly against IAMTN's every 12 months. FD Service also leads on iOS requirement (12.0 vs 17.0). 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.

FD Service ships an update monthly, IAMTN every 12 months. The most recent releases landed on October 22, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | FD Service | IAMTN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/fd-service/id6470879850/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 12 months |
| Monetization | Free | — |
| Size | 42 MB | 72 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [BYD Auto Industry Company Limited](https://appshunter.io/developer/888165335) | [INTERNATIONAL ASSOCIATION OF MONEY TRANSFER NETWORKS LIMITED](https://appshunter.io/developer/1771629422) |

## What reviewers say

### FD Service

[App page](https://appshunter.io/ios/app/fd-service/id6470879850)

This app manages after-sales service for energy storage products. It handles work orders for customer issues and spare parts inventory, ensuring accurate data and efficient internal and external collaboration.

**Highlights:** Work order management, Spare parts inventory tracking, Customer service integration, Online collaboration, Data management, Material transfer between warehouses

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

**In-app purchases:** none


### IAMTN

[App page](https://appshunter.io/ios/app/iamtn/id6736362365)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FD Service free?

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

### Is IAMTN free?

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

### Do FD Service or IAMTN have ads?

Neither FD Service nor IAMTN shows ads.

### Which is updated more often, FD Service or IAMTN?

FD Service ships an update monthly, and IAMTN every 12 months. Most recently, FD Service was updated on October 22, 2026 and IAMTN on October 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*