# TTKEFU vs 99客服系统

The clearest difference is iOS requirement: 99客服系统 at 13.0 against TTKEFU's 15.0. 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.

TTKEFU ships an update every 8 days, 99客服系统 fortnightly. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | TTKEFU | 99客服系统 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 days** | Fortnightly |
| Size | 16 MB | 5 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 9+ |
| Developer | [振国 孙](https://appshunter.io/developer/1028932685) | [亮 李](https://appshunter.io/developer/1576491689) |

## What reviewers say

### TTKEFU

[App page](https://appshunter.io/ios/app/ttkefu/id1028932686)

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

**In-app purchases:** none


### 99客服系统

[App page](https://appshunter.io/ios/app/99/id1583900616)

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

**In-app purchases:** none


## Frequently asked questions

### Is TTKEFU free?

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

### Is 99客服系统 free?

99客服系统 is free to download, with no in-app purchases.

### Do TTKEFU or 99客服系统 have ads?

Neither TTKEFU nor 99客服系统 shows ads.

### Which is updated more often, TTKEFU or 99客服系统?

TTKEFU ships an update every 8 days, and 99客服系统 fortnightly. Most recently, TTKEFU was updated on November 1, 2026 and 99客服系统 on October 30, 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.*