Keep Time! vs OptiListen
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Keep Time!
Read full descriptionHide full description
1.Simple To-Do List 2.Easy To Trace Your Time 3.Statical Analisis 4.Remind You To Execute Your Plan 5.Pomodoro Technique 6.Procrastination Killer This App, Free ,No advertisement ，No Pay in it, Ever No remind comment.If you think it 's good , bad, or something you want to tell the maker, Comment it ,email : ibowandarrow@163.com, Thank you very much. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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 in-app purchases: OptiListen at none against Keep Time!'s 1. Keep Time!'s advantage is update cadence (every 5 weeks vs every 6 months). On price, ads, device support 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
Both are free to download. Keep Time! sells 1 in-app purchase, starting at $1.99 per year. OptiListen asks for nothing beyond the download.
Keep Time! ships an update every 5 weeks, OptiListen every 6 months. The most recent releases landed on October 18, 2026 and October 21, 2026 respectively.
| Parameter | Keep Time! | OptiListen |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Number of ratings | — | 3 — better |
| Update frequency | Every 5 weeks — better | Every 6 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | 锡蕃 林 | Christian Crumlish |
In-app purchases
Keep Time!
- Annually7 Days trial$1.991 Year
OptiListen
No in-app purchases
