Comparison

KD App vs Viki AI

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

KD App

Features
Read full description

Features Device Pairing Easily connect your smart devices and step into a future of smart living with a single tap. The app makes it simple to link your devices, set up network connections, and access advanced features. Discover Uncover device capabilities, use cases, feature highlights, and user stories. Dive into a world of exciting content and find inspiration for your smart devices. Avatar and Voice Settings Change your avatar with one tap to keep things fresh every day. Choose from a variety of characters like an anime girl, a sci-fi heroine, or a clever bunny—there’s something for everyone. Enjoy multilingual voice support with customizable tones. Switch between popular languages and pick a voice that suits you perfectly. Profile Management Personalize your profile and sync your information across all devices with a single login. Create a Jarvis experience that's uniquely yours!

About

Viki AI

Features
Read full description

应用程序介绍 实时翻译:支持多种语言的即时翻译,可在通话、面对面交流、视频会议等场景中使用。 双向通话翻译:在电话或视频通话中,可实现双方母语的实时互 一句话简介 支持多种语言的即时翻译,可在通话、面对面交流、视频会议等场景

Screenshots

KD App4 screens
Viki AI3 screens

Verdict

The call

The clearest difference is in-app purchases: KD App at none against Viki AI's 15. KD App also leads on iOS requirement (13.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Viki AI sells 15 one-off in-app purchases. KD App asks for nothing beyond the download.

UpkeepUpdate frequency

KD App ships an update monthly, Viki AI fortnightly. The most recent releases landed on October 18, 2026 and October 19, 2026 respectively.

Scorecard2 real differences · 4 level
KD App versus Viki AI: the parameters behind the verdict, then further details
ParameterKD AppViki AI
PriceFreeFree
Update frequencyMonthlyFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.0 — better15.6
Further details — not scored
Size49 MB57 MB
Age rating17+4+
Developer深圳市金大智能创新科技有限公司Changsha Nuoyazu Technology Co., Ltd

In-app purchases

None

KD App

No in-app purchases

15 purchases

Viki AI

One-time15
  • 70 minutes of translation time$9.99
  • 150 minutes for translation$19.99
  • 月卡-VIP-中国大陆$39.99
Show 12 more
  • 月卡-VIP$39.99
  • 400 minutes of translation$49.99
  • 月卡-SVIP-中国大陆$69.99
  • 月卡-SVIP$69.99
  • half-year VIP card$199.00
  • 半年卡-VIP-中国大陆$199.99
  • annual VIP card$299.00
  • Half-year SVIP card$299.00
  • 年卡-VIP-中国大陆$299.99
  • 半年卡-SVIP-中国大陆$299.99
  • annual SVIP card$499.00
  • 年卡-SVIP-中国大陆$499.99

Questions

Is KD App free?
KD App is free to download, with no in-app purchases.
Is Viki AI free?
Viki AI is free to download, with in-app purchases available.
Do KD App or Viki AI have ads?
Neither KD App nor Viki AI shows ads.
Which is updated more often, KD App or Viki AI?
KD App ships an update monthly, and Viki AI fortnightly. Most recently, KD App was updated on October 18, 2026 and Viki AI on October 19, 2026.

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