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69
BU Score
Solid

Solid Calendar

4.9 ✍️ Editor
✍️ BU Analytics Review

Solid Calendar is an iOS app from Solid Apps S.R.L. in the Productivity category, currently rated 4.9★ across 114 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.

Our BU Score puts it at 69Solid (established niche player). For a Productivity app, that means established niche player.

Track changes month-over-month in the Performance section below — live snapshot history and revenue forecast included.

📊 Performance Tracking LIVE

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Rating
Reviews
Forecast Revenue / mo
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💰 Forecast Revenue / mo

MODEL
Revenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
🔬Forecast Breakdown — Why This Estimate?Top 7 of 7 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
Paid app ($0.00)METRIC
+$2,800
Excellent rating (4.9★)METRIC
+$2,200
5 starREVIEW
+$1,800
great valueREVIEW
+$1,600
Early-stage install base (114 ratings)METRIC
+$400
Single-language (English only)METRIC
−$400
Growing app (2y old)METRIC
+$200
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)

📈 Reviews Growth

LIVE
Cumulative review count from first BU snapshot. Each point = a tracked update.
💚Sentiment Over Time↑ green = positive · ↓ red = negative
Jun 24
Jul 24
Oct 24
Nov 24
Feb 25
Jun 25
Dec 25

⭐ Rating Trend

LIVE
Average rating evolution. Updates with each new review batch.

🗓️ Snapshot Timeline

HISTORY
Each bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →
💾 14 MB🔞 4+📱 iOS 16.0+🔖 v2.76🔄 updated 5mo ago🌐 EN📂 Productivity💰 Paid🚀 Launched 2023 (2y old)

📝 About this app

No subscriptions - Buy once, keep forever on all devices

Elevate your productivity and organization with Solid Calendar – the all-in-one solution for managing your time, tasks, and events seamlessly. Whether you're a busy professional, a student juggling classes, or anyone looking to make the most of every day, this app offers the perfect blend of a calendar planner, rotating schedule manager, digital organizer and reminders manager.

Are you ready to reclaim your time and enjoy a more organized lifestyle? Download this calendar app now and manage your schedule, tasks, and events with ease.

Key Features of Solid Calendar:

- Add events with natural language
Isn't it so much easier when our devices understand us? You can say things like:

"Pick up the kids tomorrow at 18:00"
"Lunch this Saturday between 12:00 and 14:00"
"Meet with Bill in 2 hours"

- Calendar planner
Stay on top of your schedule effortlessly with this intuitive calendar interface. Plan events, set reminders, and never miss appointments again. With a user-friendly design, adding and managing events is a breeze, ensuring you're always in control of your time with this natural language calendar. For those with complex rotating schedules, this app is also a great fit. Whether you are in healthcare, public safety, or any other profession with rotating shifts, this app adapts to your unique needs. See your rotation patterns and stay informed about your upcoming schedule with Solid Calendar.

- Digital planner
Say goodbye to traditional paper planners! This digital planner allows you to create, organize, and track tasks. Prioritize tasks, set due dates, and get a clear overview of your to-do list. With synchronization across devices, this planner is accessible anytime, anywhere.

- 6 different layouts
With Solid Calendar you can find the layout that suits your needs best on each device

- Quick Join for video calls
You will find options to jump straight into events that have video calls both from the app itself and from notifications

- Reminders
Your Reminders can live alongside your events in all layouts. You can also create and edit reminders.

- Use the calendars on your device
Solid Calendar works with the calendars you already have on your device. No data about your calendars leaves your device, so you can have peace of mind about your privacy

- Light and Dark mode
Enjoy well designed themes for both light and dark mode and pick the one you like best to accommodate your style.

- Seamless integration
This app easily syncs with all your device's calendars, ensuring that your events and appointments will be scheduled into a routine calendar. You'll never have to stress about missing an essential occasion. All your data remains up-to-date.

- Smart reminders
Stay on track with smart notifications and reminders. Customize when you will be notified about upcoming events, tasks, or shifts. So, you will be prepared for what's next.

- Data security
Your privacy is the top priority. This app is designed with advanced security measures to protect your sensitive information. Enjoy the convenience of a digital planner without compromising your data. Your events and reminders remain on your device, they are never uploaded to any third party servers.

Cross-device sync
Access your schedule and tasks from any iOS device. Whether using your iPhone or iPad, you'll always have your planner at your fingertips.


Are you ready to get on top of your schedule? Solid Calendar is a universal app available on iOS, iPadOS, and macOS
You can choose to unlock just this app or all 5 Solid Apps with one purchase


Terms of service: http://solidapps.co/terms.html
Privacy policy: http://solidapps.co/privacy.html

🆕 What's New · v2.76

The Day view will now show the location for events which have it.

Profile & Insights

Everything we know — and don't — about this app and its company.

Identification

App name
Solid Calendar
Developer
Solid Apps S.R.L.
Bundle ID
app.Solid-Calendar
App Store URL
Open in App Store
Category
Productivity
Content rating
4+
Languages
EN

Company

Website
Not found
Tagline
Frequent questions
Description
Productivity apps for managing long term goals, building habits, keeping a diary, managing your calendar, taking notes and more.
Founded
Not found
HQ / Address
Not found
Employees
Not found
Logo
Not found

Revenue

Verified revenue / mo
Not found
AI revenue estimate / mo
Not found
AI annual estimate
Not found
ML model estimate / mo
$19.7K/mo
Top-grossing rank
Outside top 100 in US Productivity
All-time revenue
Not found
Pricing
Not found

Founder

Name
Not found
X / Twitter
Not found
LinkedIn
Not found
GitHub
Not found
X followers
Not found
Public statements
Not found

Funding

Total raised
Not found
Last round
Not found
Investors
Not found
Crunchbase
Not found
AngelList
Not found

Press & Links

Articles found
Not found
Listed on
Not found
Blog
https://solidapps.co/assets/press-kit.zip
Press / News
Not found

Contacts & Socials

Socials
Not found
Email
Not found
Phone
Not found
Contact page
Not found
About page
Not found
📈Ratings growth114 ratings+3700% lifetimeShow 3-year history estimate ▾Aug 2023Oct 2024May 2026
Tracked (19 weeks) Pre-tracking estimate (32 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Geographic ReachNot ranked
This app is currently outside the top 100 grossing in all 9 countries we monitor (US, UK, DE, FR, JP, CA, AU, BR, IN). Niche or new apps often launch this way — popularity rankings appear once daily revenue clears the regional threshold.
💰Pricing History$0.00 → $4.99 (+0%)
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.
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