CallPlan vs Heatmap Creator
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
CallPlan
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Never miss an important call. CallPlan schedules your calls, takes notes hands-free via CarPlay & Siri, and sends them automatically โ while you keep your eyes on the road. Stay on top of your important calls with CallPlan, the ultimate call reminder app designed for professionals, business owners, and anyone who values organized communication. Whether you're managing client meetings, following up on business deals, or need a car-friendly call scheduler, CallPlan ensures you never miss a crucial conversation. --- CallPlan Premium โ Subscription Information โข Annual Plan: renews yearly โข Quarterly Plan: renews every 3 months โข Monthly Plan: renews monthly Payment is charged to your Apple ID at confirmation of purchase. Subscription automatically renews unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store Account Settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://callplan.app/privacy/
Heatmap Creator
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Turn your data into clear, publication-ready heatmaps in seconds. Import a CSV file, pick a color gradient, and explore patterns at a glance. Perfect for students, researchers, and analysts across biology, education, and business. Key features: CSV import with instant preview Sample datasets to get started quickly Multiple color schemes and gradients Clean labels and readable value rendering Basic dataset statistics (min/mean/max, counts) Responsive layout optimized for iPhone and iPad About page with Open Source Licenses No sign-in required Helpful for: Gene expression and lab results Academic scores and classroom data Product ratings and survey responses Climate metrics and time-series grids
Screenshots
Verdict
The clearest difference is in-app purchases: Heatmap Creator at none against CallPlan's 3. Heatmap Creator also leads on iOS requirement (13.0 vs 17.2). CallPlan's advantage is ads (none vs shown). On price and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. CallPlan sells 3 in-app purchases, starting at $3.99 per month. Heatmap Creator asks for nothing beyond the download.
| Parameter | CallPlan | Heatmap Creator |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | โ |
| Ads | No โ better | Yes |
| In-app purchases | Yes | No โ better |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 17.2 | 13.0 โ better |
| Further details โ not scored | ||
| Size | 23 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Sebastian Otto Windeck | Japality Limited |
In-app purchases
CallPlan
- Monthly Premium Abonnement$3.991 Month
- Quarterly Premium Abonnement$9.993 Months
- Annual Premium Abonnement$22.991 Year
Heatmap Creator
No in-app purchases





