Calendar Schedule vs Observify
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calendar Schedule
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In Calendar Schedule you can define templates of days with activities and tasks, and then assign the days to your calendar. Key Features: Lightning Fast Scheduling! Stop entering the same events manually. Create blueprint schedules and assign them to days, weeks, or even entire months at a glance. Seamless Calendar Sync! Everything you plan is automatically synced to your device’s native calendar. See your activities in your favorite calendar apps and widgets perfectly. Reusable Checklists (Card View) Need a grocery list, morning routine, or packing list? Activities can be treated as reusable checklists, ensuring you never miss a step. It's a great way to establish routines and add structure to your day. Parents can create calendars and share them with their kids, allocating time to do homework, reminding them what time to go to school, and not to forget their gym bag in the morning.
Observify
This app helps you build and monitor personal habits. You can create custom habits, set goals, and track progress with detailed charts and insights. Your data remains private and stored only on your device.
- Create and quantify habits
- Set and exceed habit goals
- Attach metrics and tags to habits
- Personalizable habit occurrences
- Insightful habit charts
- On-device data storage
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Observify is a habit tracker that helps you: - Create, quantify and track your habits. - Set and exceed goals for your habits. - Create metrics and attach them to your habits. - Create tags and attach them to your habits. - Quickly create personalizable occurrences of your habits with a single tap. - Explore charts of your habits and metrics to get useful insights. Your data doesn't leave your phone.
Screenshots
Verdict
The clearest difference is in-app purchases: Observify at none against Calendar Schedule's 1. Calendar Schedule's advantage is device support (3 vs 1). On price, update cadence, ads 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. Calendar Schedule sells 1 one-off in-app purchase. Observify asks for nothing beyond the download.
Calendar Schedule ships an update every 8 months, Observify every 5 months. The most recent releases landed on October 12, 2026 and October 7, 2026 respectively.
| Parameter | Calendar Schedule | Observify |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 8 months | Every 5 months — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 60 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Dan Olov Hyllengren | Hassene BEN SALEM |
In-app purchases
Calendar Schedule
- Unlock calendar restrictionsFree
Observify
No in-app purchases









