# TMS服務系統 vs SignalSeek

The clearest difference is in-app purchases: TMS服務系統 at none against SignalSeek's 4. TMS服務系統 also leads on iOS requirement (11.0 vs 16.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SignalSeek sells 4 in-app purchases, starting at $12.99 per year. TMS服務系統 asks for nothing beyond the download.

TMS服務系統 ships an update monthly, SignalSeek every 2 months. The most recent releases landed on October 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | TMS服務系統 | SignalSeek |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 10 MB | 31 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Streams System Corporation](https://appshunter.io/developer/386268761) | [帅 刘](https://appshunter.io/developer/1288043252) |

## What reviewers say

### TMS服務系統

[App page](https://appshunter.io/ios/app/tms/id1551904623)

**In-app purchases:** none


### SignalSeek

[App page](https://appshunter.io/ios/app/signalseek-wifi-heatmap/id6783838367)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Team (3 seats) | $12.99 | per year |
| Team (10 seats) | $34.99 | per year |
| Team (30 seats) | $79.99 | per year |
| Personal (Lifetime) | $6.99 | one-time |


## Frequently asked questions

### Is TMS服務系統 free?

TMS服務系統 is free to download, with no in-app purchases.

### Is SignalSeek free?

SignalSeek is free to download, with in-app purchases available.

### Do TMS服務系統 or SignalSeek have ads?

Neither TMS服務系統 nor SignalSeek shows ads.

### Which is updated more often, TMS服務系統 or SignalSeek?

TMS服務系統 ships an update monthly, and SignalSeek every 2 months. Most recently, TMS服務系統 was updated on October 2, 2026 and SignalSeek on November 3, 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.*