# Engage SSF vs 茶看 Teaken

The clearest difference is update cadence: 茶看 Teaken at every 6 days against Engage SSF's every 3 months. 茶看 Teaken also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.6). On price, 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.

Engage SSF ships an update every 3 months, 茶看 Teaken every 6 days. The most recent releases landed on September 7, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Engage SSF | 茶看 Teaken |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (68 ratings)](https://appshunter.io/ios/app/engage-ssf/id943602037/reviews)** | — |
| Number of ratings | **68** | — |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 days** |
| Monetization | Free | — |
| Size | 144 MB | 92 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [City of South San Francisco](https://appshunter.io/developer/1470156085) | [Shanghai Chakan Technology Co., Ltd.](https://appshunter.io/developer/1854272328) |

## What reviewers say

### Engage SSF

[App page](https://appshunter.io/ios/app/engage-ssf/id943602037)

Report issues, ask questions, or share feedback with your city government directly from your smartphone. Utilize GPS for location tagging and attach photos to your submissions. Receive notifications on the status of your reported actions.

**Highlights:** Submit questions and complaints, Provide positive feedback, Use GPS for location tagging, Attach photos to reports, Receive action notifications, Follow and comment on submissions

**Features:** macOS Compatibility

**In-app purchases:** none


### 茶看 Teaken

[App page](https://appshunter.io/ios/app/teaken/id6756785021)

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

**In-app purchases:** none


## Frequently asked questions

### Is Engage SSF free?

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

### Is 茶看 Teaken free?

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

### Do Engage SSF or 茶看 Teaken have ads?

Neither Engage SSF nor 茶看 Teaken shows ads.

### Which is updated more often, Engage SSF or 茶看 Teaken?

Engage SSF ships an update every 3 months, and 茶看 Teaken every 6 days. Most recently, Engage SSF was updated on September 7, 2026 and 茶看 Teaken on September 25, 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.*