Chicago OEMC vs KeysKeep
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chicago OEMC
Receive critical safety alerts and access emergency resources directly from Chicago's Office of Emergency Management and Communications. This app provides essential tools to help you stay prepared for any situation.
- Official safety alerts
- Instant access to resources
- Emergency preparedness tools
- Convenient all-in-one app
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Chicago OEMC is the official safety app of Chicago’s Office of Emergency Management and Communications (OEMC). The app will send you important safety alerts and provide instant access to all available resources. Enhance your safety with the set of tools provided in one convenient app. Download today to ensure you’re prepared in the event of an emergency.
KeysKeep
This app helps piano students build consistent practice habits through goal setting, smart reminders, and streak tracking. It uses behavioral science principles to make practice engaging and rewarding, visualized through progress tracking and motivational nudges.
- Goal setting and progress tracking
- Smart practice reminders
- Streak visualization and motivation
- Habit formation science
- Minimalist dark theme design
- Distraction-free typography
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KeysKeep: Practice. Progress. Perform. Unlock your musical discipline. ● KeysKeep transforms piano practice into progress through goal setting, reminders, and streaks. Why KeysKeep Works Built on the science of habit formation, KeysKeep combines elegant design with behavioral-economics tools that help students build—and keep—momentum. ● Goal Gradients: Watch your weekly progress fill up as you play, turning effort into satisfying visual rewards. ● Smart Reminders: Never forget to practice—KeysKeep sends daily nudges at your chosen time. ● Streak Tracking: Visualize your practice streaks and stay motivated with gentle loss-aversion reminders. Beautifully Designed for Focus ● Minimalist dark theme with rich gold accents inspired by classic instruments. ● Sharp, modern typography for a distraction-free experience. Built for Musicians, Grounded in Science ● KeysKeep uses proven motivational principles—goal setting, accountability, and streak accumulation—to make daily practice a lasting habit. Who It’s For ● Students building consistent piano routines. ● Parents tracking progress and rewarding effort. ● Teachers guiding students toward measurable improvement. Keep the keys. Keep the streak
Screenshots
Verdict
The clearest difference is rating: KeysKeep at 5.0 against Chicago OEMC's 3.6. KeysKeep also leads on update cadence (every 2 weeks vs every 18 months) and iOS requirement (13.0 vs 15.6). Chicago OEMC's advantage is ratings volume (16 vs 3). On price, review sentiment, ads and in-app purchases 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.
KeysKeep holds the better App Store score, 5.0 against 3.6. That said, the two scores are not equally well evidenced: Chicago OEMC has 16 ratings behind it against 3, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.
Chicago OEMC ships an update every 18 months, KeysKeep every 2 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | Chicago OEMC | KeysKeep |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (16 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 16 — better | 3 |
| Update frequency | Every 18 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 29 MB | 49 MB |
| Age rating | 4+ | 4+ |
| Developer | City of Chicago | Emaginesites, LLC |
Customer experience
Chicago OEMC
KeysKeep
In-app purchases
Chicago OEMC
No in-app purchases
KeysKeep
No in-app purchases
Questions
Is Chicago OEMC free?
Is KeysKeep free?
Which has better reviews, Chicago OEMC or KeysKeep?
Do Chicago OEMC or KeysKeep have ads?
Which is updated more often, Chicago OEMC or KeysKeep?
Other comparisons
