Refill Calendar vs Nimbalyst
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Refill Calendar
Organize your schedule with a weekly vertical planner that supports customization of date labels and refill images. This app is designed for handwriting input and is optimized for Apple Pencil use on iPads.
- Weekly vertical schedule layout
- Customizable refill images
- Adjustable date label position, size, and color
- Optimized for Apple Pencil
- Handwriting input support
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Handwritten schedule organizer application. Weekly vertical type starting on Monday. You can change the refill image to your favorite refill by preparing it. You can set the position, size, and color of date labels, etc. Note Event information in the calendar application will not be reflected. Use the Apple Pencil.
Nimbalyst
Monitor and interact with your desktop AI coding sessions from your phone. Receive instant notifications when your AI agent needs input and respond directly from your device, securely and in real-time.
- Real-time AI session sync
- Remote prompt and message sending
- Approve tool permissions and answer questions
- Review code changes and git commits
- Push notifications with deep-linking
- Offline viewing of session transcripts
- QR code desktop pairing
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Nimbalyst brings your AI coding sessions to your pocket. Monitor, interact with, and respond to your desktop AI agent from anywhere -- no laptop required. STAY IN THE LOOP Your desktop AI sessions sync to your phone in real time. Control Claude Agent from your phone and track progress on the go from wherever you are. When your AI agent needs input -- a permission approval, a question answered, a plan reviewed -- respond right from your phone. INSTANT PUSH NOTIFICATIONS Get notified the moment your AI agent needs your attention. Tap the notification to jump straight to the session that needs you. SECURE BY DEFAULT All session data is end-to-end encrypted with AES-256-GCM. Your code, prompts, and AI responses are encrypted before they ever leave your desktop. Not even the sync server can read your data. NATIVE iOS EXPERIENCE Built with SwiftUI from the ground up. Native navigation, pull-to-refresh, iPad split view, and instant offline access to previously viewed sessions. No web wrapper -- this is a real iOS app. KEY FEATURES Real-time sync of all AI sessions across your projects Send prompts and follow-up messages to active sessions Approve tool permissions, answer questions, review plans Review code changes and git commit proposals Push notifications with deep-linking to specific sessions Offline viewing of cached session transcripts iPad split view with sidebar navigation QR code pairing with your desktop in seconds Unread indicators so you never miss a message Nimbalyst for iOS is a companion to the Nimbalyst desktop app. A desktop installation is required. Pair your devices by scanning a QR code from Nimbalyst desktop, and your sessions sync automatically. Learn more at https://nimbalyst.com
Screenshots
Verdict
The clearest difference is update cadence: Nimbalyst at every 6 weeks against Refill Calendar's every 5 months. Nimbalyst also leads on ratings volume (7 vs 1). Refill Calendar's advantage is monetization model (free vs ad-supported) and iOS requirement (14.5 vs 18.0). On price, rating, 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.
On the App Store both sit at effectively the same score — 5.0 for Refill Calendar against 5.0 for Nimbalyst. That said, the two scores are not equally well evidenced: Nimbalyst has 7 ratings behind it against 1, so its average is the more settled of the two.
Refill Calendar ships an update every 5 months, Nimbalyst every 6 weeks. The most recent releases landed on October 14, 2026 and October 16, 2026 respectively.
| Parameter | Refill Calendar | Nimbalyst |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (7 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 7 — better |
| Update frequency | Every 5 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPad | iPhone, iPad — better |
| Requires iOS | 14.5 — better | 18.0 |
| Further details — not scored | ||
| Size | 1 MB | 19 MB |
| Age rating | 4+ | 12+ |
| Developer | SHIN INABA | Nimbalyst, Inc. |
Customer experience
Refill Calendar
Nimbalyst
In-app purchases
Refill Calendar
No in-app purchases
Nimbalyst
No in-app purchases
Questions
Is Refill Calendar free?
Is Nimbalyst free?
Which has better reviews, Refill Calendar or Nimbalyst?
Do Refill Calendar or Nimbalyst have ads?
Which is updated more often, Refill Calendar or Nimbalyst?
Other comparisons
