気になるメモ vs Idea Notes
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
気になるメモ
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メモしよう! 美味しいご飯やキレイな景色、好きなものをたくさん記録しよう!
Idea Notes
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"Capture your ideas — don't let them disappear." Tweet-style notes, organized with hierarchical tags, rediscovered at random. Make brainstorming a daily habit with your own personal idea journal. "Idea Notes" is a brain dump app designed to capture every spark, insight, and thought the moment it strikes. Tired of complex note-taking apps where ideas get buried under deep folder structures, or simple memo apps where notes are written and forgotten? "Idea Notes" rescues your ideas from the "write and forget" trap. Organize ideas flexibly with hierarchical tags. Reconnect with past thoughts through random rediscovery. Works fully offline, so you can capture ideas on the go, in bed, or anywhere inspiration strikes. By recording even just one idea a day, brainstorming becomes a natural habit. Features: ・Quick Capture: From launch to input in just 2 taps. Catch every spark and insight before it fades. ・Hierarchical Tag Organization: Organize ideas with nested tags. Add multiple tags to a single idea for multi-angle reflection. ・Random Rediscovery: Our signature feature surfaces forgotten ideas at random. Let your past self help your present self. ・Daily Idea Notification: A local notification delivers one past idea each day, turning reflection into a habit. ・Powerful Full-Text Search: Search across all your notes — find anything in seconds. ・Offline-First: No Wi-Fi needed. Launches instantly, captures instantly, even when you're off-grid. ・Image Attachments: Attach images to ideas to capture visual sparks alongside your thoughts. ・Archive Function: Hide ideas you don't need right now without deleting. Restore them anytime. ・Export Support: Keep your ideas as a personal asset with flexible export options. Start the habit of turning sparks into assets with "Idea Notes." ■ Pro Plan By purchasing the Pro Plan, you can unlock the following features: ※ The Pro Plan is a one-time purchase, not a subscription. 【Pro Plan Features】 ・Ad-free for uninterrupted thinking ・Up to 8 photos per note (vs. 2 in free) ・Unlimited tags (vs. 10 in free) ・Up to 4 nested tag levels (vs. 2 in free) ・Custom priority labels (vs. 4 in free) ・Unlimited daily random rediscoveries (vs. 10 per day in free) ・19 premium themes (vs. 7 in free) ・Export to PDF and text (Pro exclusive) For more information, please refer to the following: 1. Privacy Policy: https://giversthankapp.com/privacy-policy-for-idea-notes-quick-capture-en/ 2. Terms of Service: https://www.apple.com/legal/internet-services/itunes/us/terms.html
Screenshots
Verdict
The clearest difference is in-app purchases: 気になるメモ at none against Idea Notes's 1. 気になるメモ also leads on ads (none vs shown) and update cadence (every 8 days vs every 3 weeks). On price 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. Idea Notes sells 1 one-off in-app purchase. 気になるメモ asks for nothing beyond the download.
気になるメモ ships an update every 8 days, Idea Notes every 3 weeks. Both last shipped on October 11, 2026.
| Parameter | 気になるメモ | Idea Notes |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 days — better | Every 3 weeks |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.1 — better | 18.6 |
| Further details — not scored | ||
| Size | 33 MB | 34 MB |
| Age rating | 17+ | 4+ |
| Developer | Keito Kusano | RYOTA SUZUKI |
In-app purchases
気になるメモ
No in-app purchases
Idea Notes
- Pro Plan$12.99









