# 遊蹤及實地考察系統 vs Friendly SAS

The clearest difference is device support: Friendly SAS at 3 against 遊蹤及實地考察系統's 1. 遊蹤及實地考察系統's advantage is iOS requirement (9.0 vs 11.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

遊蹤及實地考察系統 ships an update every 3 months, Friendly SAS every 2 months. The most recent releases landed on October 26, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | 遊蹤及實地考察系統 | Friendly SAS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 11 MB | 8 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [POPULAR E-LEARNING (H.K.) LIMITED](https://appshunter.io/developer/518263638) | [iLearn Limitd](https://appshunter.io/developer/1360204751) |

## What reviewers say

### 遊蹤及實地考察系統

[App page](https://appshunter.io/ios/app/id880468868)

**Features:** macOS Compatibility

**In-app purchases:** none


### Friendly SAS

[App page](https://appshunter.io/ios/app/friendly-sas/id1229034031)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 遊蹤及實地考察系統 free?

遊蹤及實地考察系統 is free to download, with no in-app purchases.

### Is Friendly SAS free?

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

### Do 遊蹤及實地考察系統 or Friendly SAS have ads?

Neither 遊蹤及實地考察系統 nor Friendly SAS shows ads.

### Which is updated more often, 遊蹤及實地考察系統 or Friendly SAS?

遊蹤及實地考察系統 ships an update every 3 months, and Friendly SAS every 2 months. Most recently, 遊蹤及實地考察系統 was updated on October 26, 2026 and Friendly SAS on October 5, 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.*