InstantMemo vs Scrollory Calendar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
InstantMemo
This app is designed for quick note-taking, prioritizing speed and simplicity. It removes all non-essential features to ensure the fastest possible startup time for immediate jotting down of ideas.
- Maximum startup speed
- Eliminates extra functions
- Immediate note-taking
- Simple interface
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"I opened the memo app but forgot what to write" It is an application for such people. We eliminated all extra functions and increased the startup speed to the maximum.
Scrollory Calendar
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Scrollory is a lightweight, on-device calendar app for quickly organizing events and memos. Core features ・Add / edit / delete events (supports all-day and timed events) ・Two calendar views: ・Scroll view for fast browsing ・Month view with memos ・Two memo types: ・Global memo (shared across all months) ・Monthly memo (changes by month) ・Theme switching ・Apple Calendar integration (import / read) Pro (One-time in-app purchase — no subscription, no auto‑renewal) Unlock a single one-time upgrade: ・Access to all themes ・Custom theme creation ・Write events to Apple Calendar (optional) Privacy-first by design ・No account required ・Your events and memos are saved locally on your device ・Apple Calendar integration is used only if you enable it in Settings From checking your schedule every day to keeping quick monthly notes, Scrollory gives you a clean, easy-to-stick-with calendar experience.
Screenshots
Verdict
The clearest difference is in-app purchases: InstantMemo at none against Scrollory Calendar's 1. InstantMemo also leads on update cadence (every 2 weeks vs every 5 weeks) and iOS requirement (11.0 vs 16.0). On price, ads and device support 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. Scrollory Calendar sells 1 one-off in-app purchase. InstantMemo asks for nothing beyond the download.
InstantMemo ships an update every 2 weeks, Scrollory Calendar every 5 weeks. Both last shipped on October 15, 2026.
| Parameter | InstantMemo | Scrollory Calendar |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 2 weeks — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 11.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 10 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Shigeki Matsunaka | DTLF |
In-app purchases
InstantMemo
No in-app purchases
Scrollory Calendar
- rollory Pro (One-time)$9.99
