Prefume vs Kept By
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Prefume
This app helps you document and remember your fragrances through a timeline system. It offers personalized daily suggestions based on weather and your mood, and allows for effortless check-ins to track your scent experiences. All your data is kept private and analyzed on your device.
- Timeline-based fragrance journaling
- Weather-aware daily suggestions
- Smart collection rotation
- Acquisition and spending insights
- Testing workflows with reminders
- Offline-first design for privacy
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Transform how you experience and remember your fragrances with Prefume, the personal fragrance assistant designed for perfume enthusiasts, collectors, and newcomers alike. Your Fragrance Journey, Documented Unlike basic fragrance apps that only let you rate scents, Prefume captures your complete relationship with each fragrance through a beautiful timeline system. From first impressions to long-term thoughts, track how your opinion evolves with every wear. Perfect Daily Suggestions Never waste time choosing what to wear again. Prefume learns your preferences and suggests the perfect fragrance based on today's weather, your mood, and which bottles you haven't worn recently. Get contextual recommendations that actually make sense for your lifestyle. Effortless Check-ins Gentle notifications throughout the day help you capture meaningful experiences. Track longevity, projection, compliments received, and how each fragrance makes you feel. Build rich data that reveals patterns in what you truly love. Privacy-First Design All analysis happens on your device. Discover hidden patterns in your preferences and get recommendations without sharing any personal data. Your collection stays completely private. Perfect for Every Fragrance Lover Beginners: Guided testing workflows help you develop your nose Enthusiasts: Comprehensive journaling tools for tracking your growing collection Key Features Timeline-based fragrance journaling with rich context capture Weather-aware daily fragrance suggestions Smart rotation to help you enjoy your entire collection Acquisition tracking with spending insights Testing workflows with automated check-in reminders Offline-first design - your data stays private and secure Beautiful, native iOS interface designed for speed and simplicity Why Fragrance Lovers Choose Perfume "Finally, an app that understands that fragrances are about experiences, not just ratings. The timeline view shows how my relationship with each scent develops over time." - Beta User Free to Start, Premium to Excel Prefume free with up to 12 perfumes in your collection. Upgrade to Premium Extract for unlimited collection, advanced insights, and comprehensive collection analytics. No monthly subscriptions - pay once, own forever. Download Prefume today and discover what your nose has been trying to tell you. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://prefume.app/privacy
Kept By
Digitally preserve cherished paper memories like cards, letters, and notes. Capture images, add details like sender and occasion, and easily organize, search, and revisit your personal keepsakes.
- Digitally preserve paper memories
- Capture front, inside, and back images
- Add sender, event, date, and notes
- Organize and search personal collection
- Browse saved keepsakes easily
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Kept By helps you preserve the cards, letters, notes, and personal keepsakes that matter. Instead of keeping meaningful paper memories scattered in boxes, drawers, or folders, Kept By gives you a simple way to capture and organize them on your iPhone. Use Kept By to photograph the front, inside pages, and back of a card or letter, then save it with helpful details such as the sender, occasion, date, and personal notes. Your keepsakes can be browsed, searched, and revisited whenever you want. Features: • Capture cards, letters, notes, and keepsakes • Save front, inside, and optional back images • Add sender, event, date, and notes • Browse your saved memories in one place • Search and organize your personal collection • View saved keepsakes in a clean, simple layout Kept By is designed for personal memory keeping. It is not a social network and does not require an account.
Screenshots
Verdict
The clearest difference is in-app purchases: Kept By at none against Prefume's 1. Kept By also leads on ratings volume (3 vs 1) and iOS requirement (18.0 vs 26.0). Prefume's advantage is update cadence (every 6 days vs every 2 months). On price, rating, review sentiment and ads 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. Prefume sells 1 one-off in-app purchase. Kept By asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Prefume against 5.0 for Kept By. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
Prefume ships an update every 6 days, Kept By every 2 months. The most recent releases landed on September 25, 2026 and October 1, 2026 respectively.
| Parameter | Prefume | Kept By |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (3 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 1 | 3 — better |
| Update frequency | Every 6 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | Free — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.0 | 18.0 — better |
| Further details — not scored | ||
| Size | 94 MB | 68 MB |
| Age rating | 9+ | 4+ |
| Developer | Anatole Ayadi | James Jackson |
Customer experience
Prefume
Kept By
In-app purchases
Prefume
- Extract - Premium Features$24.99
Kept By
No in-app purchases









