Comparison

BlueTools Bluetooth Assistant vs YDS Storybook

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

Head to head
About

BlueTools Bluetooth Assistant

This tool allows developers to scan, connect to, and debug Bluetooth Low Energy devices. It offers a serial terminal for sending and receiving data in various formats and helps locate devices by displaying signal strength.

Highlights
  • BLE device discovery
  • GATT service and characteristic browsing
  • RSSI signal strength display
  • Hex, Binary, String, Number data formats
  • Serial terminal for data send/receive
  • Device direction inference
Features
Read full description

BlueTools Bluetooth Assistant is a powerful BLE scanner and debugger for developers and tech enthusiasts. Connect to any Bluetooth Low Energy device, browse GATT services and characteristics, read RSSI signal strength, and send or receive data in Hex, Binary, String, and Number formats via a serial terminal. Scan, test, and locate nearby BLE devices with ease. Main Features: 1. Device Discovery: Quickly scan and identify nearby BLE Bluetooth devices. 2. Read Information: Get key information about connected devices, including device name, signal strength (RSSI), services and characteristics. 3. Data Display: Supports multiple data formats (Hex, Binary, String, Numbers, etc.). 4. Send & Listen: Send various formats of data to Bluetooth devices, or listen for data changes. 5. Find Bluetooth Devices: Display signal strength and device direction in a chart to help you infer the direction of the target device. Why Choose BlueTools Bluetooth Assistant? - User-friendly Interface: An intuitive and simple interface makes operation more convenient. - Powerful Sending Features: Supports multiple data formats, flexible switching between types and services, with favorite and history features. - Chat Mode: Quickly view received and sent data, quickly select read and send content. - Continuous Updates: We continuously update the app, adding new features and improving existing ones to ensure you get the best user experience. Download BlueTools Bluetooth Assistant now and make your Bluetooth device development and debugging more efficient! Subscription Features: The app offers a subscription membership service. After subscribing, you can enjoy features like ad removal. Upon purchase confirmation, payment will be charged to your iTunes account. Unless you turn off auto-renew at least 24 hours before the end of the current subscription period, the subscription will automatically renew. Your account will be charged for renewal within 24 hours prior to the end of the current period at the rate of the selected plan. After purchase, you can manage your subscription and turn off auto-renewal in your account settings. Privacy Policy: https://bluetools.savequan.com/2022/01/13/BlueTools-Privacy-Policy Terms of Service: https://bluetools.savequan.com/2023/10/21/BlueTools-Terms-Of-Service

About

YDS Storybook

Features
Read full description

YDS는 숭실대학교 동아리 유어슈에서 사용하는 디자인 시스템입니다. 뷰 컴포넌트 재사용성을 높여 코드 작성에 걸리는 시간을 단축함과 동시에 일관된 디자인 퀄리티를 보장하기 위해 고안됐습니다. YDS StoryBook 은 디자이너가 스스로 설계한 YDS 컴포넌트가 잘 구현 되었는지 확인하기 위해서, 실제 코드를 기반으로 만들어진 컴포넌트를 상황에 따라 제어할 수 있게 도와주는 역할을 합니다. 이를 통해 보다 다양한 환경에서 동일하게 품질 높은 디자인 시스템을 유지보수 할 수 있도록 도와줍니다.

Screenshots

BlueTools Bluetooth Assistant4 screens
YDS Storybook4 screens

Verdict

The call

The clearest difference is in-app purchases: YDS Storybook at none against BlueTools Bluetooth Assistant's 2. YDS Storybook also leads on ads (none vs shown). BlueTools Bluetooth Assistant's advantage is device support (3 vs 1). On price, update cadence and iOS requirement 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. BlueTools Bluetooth Assistant sells 2 in-app purchases, starting at $0.99 per month. YDS Storybook asks for nothing beyond the download.

UpkeepUpdate frequency

BlueTools Bluetooth Assistant ships an update every 5 weeks, YDS Storybook every 6 weeks. The most recent releases landed on November 11, 2026 and November 7, 2026 respectively.

Scorecard3 real differences · 7 level
BlueTools Bluetooth Assistant versus YDS Storybook: the parameters behind the verdict, then further details
ParameterBlueTools Bluetooth AssistantYDS Storybook
PriceFreeFree
Rating3.5 (4 ratings) — better—
Positive reviews64.4% of reviews—
Number of ratings4 — better—
Update frequencyEvery 5 weeks — betterEvery 6 weeks
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15 — better16.0
Further details — not scored
Size32 MB5 MB
Age rating4+4+
Developer仕华 罗Taekwan Hwang

In-app purchases

2 purchases

BlueTools Bluetooth Assistant

Subscriptions2
  • Remove ads monthly7 Days trial$0.991 Month
  • Remove ads yearly$9.991 Year
None

YDS Storybook

No in-app purchases

Questions

Is BlueTools Bluetooth Assistant free?
BlueTools Bluetooth Assistant is free to download, with in-app purchases available.
Is YDS Storybook free?
YDS Storybook is free to download, with no in-app purchases.
Do BlueTools Bluetooth Assistant or YDS Storybook have ads?
BlueTools Bluetooth Assistant shows ads; YDS Storybook does not.
Which is updated more often, BlueTools Bluetooth Assistant or YDS Storybook?
BlueTools Bluetooth Assistant ships an update every 5 weeks, and YDS Storybook every 6 weeks. Most recently, BlueTools Bluetooth Assistant was updated on November 11, 2026 and YDS Storybook on November 7, 2026.

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