# 執筆忘字 vs Friendly SAS

The clearest difference is in-app purchases: Friendly SAS at none against 執筆忘字's 1. Friendly SAS also leads on ads (none vs shown) and iOS requirement (11.0 vs 18). On price, update cadence and device support there is nothing between them.

Both are free to download. 執筆忘字 sells 1 one-off in-app purchase. Friendly SAS asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | 執筆忘字 | Friendly SAS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id567388078/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Size | 5 MB | 8 MB |
| Requires iOS | 18 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yan Kin LEUNG](https://appshunter.io/developer/320172517) | [iLearn Limitd](https://appshunter.io/developer/1360204751) |

## What reviewers say

### 執筆忘字

[App page](https://appshunter.io/ios/app/id567388078)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 《執筆忘字》消除廣告 | $1.99 | one-time |


### Friendly SAS

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 執筆忘字 free?

執筆忘字 is free to download, with in-app purchases available.

### Is Friendly SAS free?

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

### Do 執筆忘字 or Friendly SAS have ads?

執筆忘字 shows ads; Friendly SAS does not.

### Which is updated more often, 執筆忘字 or Friendly SAS?

執筆忘字 ships an update every 2 months, and Friendly SAS every 2 months. Most recently, 執筆忘字 was updated on November 1, 2026 and Friendly SAS on November 2, 2026.

---

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