Uplode vs OptiListen
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Uplode
This app allows research participants to easily complete surveys and engage in health interventions. It provides custom activities with instructions and data collection, aiming to boost participant retention through reminders and secure, effective participation.
- Customizable research activities
- Survey and data collection
- Health intervention participation
- Participant retention tools
- Notification reminders
- Secure and effective participation
Read full descriptionHide full description
Uplode is the customizable research app where participants can easily answer surveys and participate in research interventions. Custom research activities provide instructions, collect qualitative and/or quantitative data, and health data. Increases participant retention rates by putting studies right in the hands of participants, with notification reminders and survey formats that make participation in your study easy, secure, and effective.
OptiListen
Enhance your listening abilities with this straightforward application. Track your progress during audio or video calls and build your skills over time. It's designed for anyone looking to improve their active listening.
- Set listening goals
- Track session results
- Build listening skills
- Use with audio/video calls
- Local data storage
Read full descriptionHide full description
OptiListen is an easy to use app, created by and for folks who would like to listen a little more. Put your headphones on, start a session, set a goal, and see how you do. With OptiListen, you can track your results over time, and build your listening skills, one audio or video call at a time. Note: We're launching OptiListen as a free app and all data is kept locally on your phone.
Screenshots
Verdict
The clearest difference is update cadence: Uplode at fortnightly against OptiListen's every 6 months. OptiListen's advantage is iOS requirement (11.0 vs 17.6). On price, rating, ratings volume and ads 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Uplode against 5.0 for OptiListen. Both are backed by a comparable volume of ratings — 3 and 3 respectively.
Uplode ships an update fortnightly, OptiListen every 6 months. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.
| Parameter | Uplode | OptiListen |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) | 5.0 (3 ratings) |
| Number of ratings | 3 | 3 |
| Update frequency | Fortnightly — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.6 | 11.0 — better |
| Further details — not scored | ||
| Size | 40 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Senda, LLC | Christian Crumlish |
Customer experience
Uplode
OptiListen
In-app purchases
Uplode
No in-app purchases
OptiListen
No in-app purchases









