EchoBox

Prototype link: Link

Video Link: Link

Describe your project.

We don’t always realize it but the voices of the people we love are often the first thing we forget. Echobox is a mobile app that helps people reconnect through the power of voice. Instead of relying on impersonal texts or scripted AI assistants, Echobox encourages users to record and share genuine voice messages with close friends and family. It bridges generations, giving everyone a voice and helping them stay remembered. Users can capture a thought, story, or greeting in their own voice and send it to someone’s Echobox. Over time, these messages become an audio scrapbook of meaningful moments. By hearing each other’s stories, tone, and laughter, users can feel presence and sincerity beyond text. Echobox uses technology to amplify real human voices, such that when memory is erased, when there is nothing to remember except the story.

Describe your research process and findings:

Our research journey began with a simple, shared observation: while texting dominates how we communicate today, something deeper often feels missing especially across generations. We began with user research to uncover how people feel about current communication tools and what might be missing. There were 6 in-depth interviews conducted. We found that 87% agreed that hearing a loved one’s voice feels more personal than reading a text. However, less than one-third said they send voice messages at least once a week, the majority stick to texting out of habit or convenience. Interestingly, 78% of respondents admitted they “miss the emotion behind voices” in digital communication, and many shared that texts often feel “dry or easy to misinterpret.” Several respondents noted they treasure saved voicemails or voice notes from special people, yet 64% had no organized way to save or revisit these recordings. This confirmed a key opportunity: people value voice communication but lack tools focused on preserving and sharing it intentionally.

We conducted individual interviews. During these discussions, users shared their feelings of loneliness and authenticity. As one of the interviewees noted, “I need to make more memories with my family... sometimes it feels like it's not the same connection [through messages].” Another participant shared they could not remember their dad’s voice anymore, so they try to record or save any moment where people spoke to him, like voicemails or short clips, to hold on to those sounds. The emotional power of voice and the human need to preserve those “echoes” of our loved ones were emphasized by these personal accounts. Building on these personal accounts, we also recognized that some people feel shy about sending voice messages or worry they might intrude on others. This insight guided us to design EchoBox with a warm, approachable tone and simple interactions that make sharing feel natural, comfortable, and pressure‑free.

According to research, vocal interaction can alleviate stress and reinforce connections. We also discovered that the increase in voice messaging is part of a larger trend: a recent survey of 1,000 Americans revealed that 2 out of 3 individuals use voice notes, and almost 50% report that voice messages have strengthened their relationships or alleviated feelings of loneliness. The same study found that 61% of participants concurred that it is easier to express tone and emotion through voice than through text. Our users’ comments echoed these findings from the literature. Our users and the wider data both indicated the same conclusion: a human voice conveys understanding and comfort in a way that plain text cannot replicate. This validation provided assurance that EchoBox meets a genuine need. We synthesized these insights into our design objectives: facilitate and add enjoyment to voice sharing, foster a sense of emotional connection among individuals, and allow them to preserve significant moments in a manner that is true to their memories.

Describe your most important design decisions. What research findings and/or user testing results led you to make these decisions?

One-tap recording featuring a user-friendly interface: In order to counter users’ uncertainty and ensure that voice messaging is easy, we made the process of recording as uncomplicated as we could. Our interviews underscored that ease-of-use is vital. As an example, one participant remarked that apps need to “make it as easy as sending a text, or I won’t bother.” With EchoBox, you can record a message by tapping a prominent microphone button once; audio is sent as soon as you release the button. To eliminate any friction, we intentionally made this flow minimal and intuitive, with no complex menus. To help users feel more comfortable during recording, we included lighthearted visual feedback (such as an animated waveform and soft prompts). The decision is based on the principle that if something is easy and somewhat enjoyable, individuals will be more inclined to conquer their shyness and engage with it.

Memory Boxes” archive (saving cherished voices): A key feature we introduced is a personal archive named “Memory Boxes”, in which users can store voice notes that hold special significance for them. This directly addressed the wishes of several interviewees to retain voice memories. Many of us have a voicemail we never delete; EchoBox enhances this feature by allowing you to bookmark and organize your favorite audio messages within your profile. In order to encourage users to save freely without concern for others, we decided that these saved “Memories” would be private by default (only you can revisit them). The design was inspired by a treasure box for voices.

Privacy and trust considerations:Due to the personal nature of shared audio, we made various design choices to foster user trust. Participants in the research expressed worries regarding who has access to their recordings. We determined that EchoBox functions as a closed, invitation-only network: by default, voice notes can only be shared with individuals you mutually add as friends (no public audio broadcasting). We also incorporated basic controls such as the option to unsend or delete a voice message within a brief timeframe, as well as clear indicators if the recipient has played the message. They were shaped by users' concerns about exposing themselves through voice.

If applicable, describe how you utilized AI in your design process in detail.

With conducting user interviews spanning ages 8-75, we had hours of rich conversation but limited time to analyze it. We used AI to summarize pain points and surface patterns we might have missed manually—like how every generation mentioned anxiety about losing memories, but each described it differently. This helped us design one solution that genuinely bridges generational gaps. We fed anonymous response data into Claude to summarize common themes in the “Any additional thoughts?” section. This quickly highlighted patterns (like many people mentioning they keep old voicemails). While we still did our own manual analysis, the AI summary ensured we didn’t overlook subtle trends, and it sped up our research synthesis given the hackathon’s time constraints.

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