DiffuserStick vs UseCycle
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DiffuserStick
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Have you ever bought a diffuser and noticed that, at some point, the liquid no longer decreases and the scent no longer spreads? The sticks used in diffusers (reed sticks) have a limited lifespan. It is generally recommended to replace the sticks about once a month. The DiffuserStick app lets you record the date when you inserted the diffuser sticks along with a photo of your diffuser, and notifies you via push notification when it is time to replace them. Key Features • Add diffusers to your management list with photos and notes • Set diffuser stick replacement dates • Receive push notifications when it is time to replace the sticks • Move used diffusers to the archive for storage • Use widgets to quickly access and view your diffusers from the home screen
UseCycle
Easily track the replacement schedule for everyday items like contact lenses and filters. Receive timely notifications so you never forget to repurchase. Build better habits and stay consistent with your personal care routine.
- Smart cycle tracking for various products
- Create custom lists of items
- Timely replacement reminders
- Easy item management
- Habit building for routines
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Stay on top of your personal care routine with UseCycle. UseCycle helps you easily track the replacement cycle of everyday products so you always know when it’s time to change them. No more guessing or forgetting. [Key Features] • Smart Cycle Tracking Create and manage replacement cycles for items like contact lenses, filters, hygiene products, and more. • Custom Lists Add your own items and organize them in a simple, clean list. • Timely Reminders Get notified when it’s time to replace your items, so you never miss the right timing. • Easy Management Quickly add, edit, and track all your items in one place. UseCycle helps you build better habits and stay consistent with your routine. Start tracking today and take control of your daily care
Screenshots
Verdict
The clearest difference is in-app purchases: UseCycle at none against DiffuserStick's 1. UseCycle also leads on update cadence (every 5 days vs every 12 months). DiffuserStick's advantage is iOS requirement (12.1 vs 15.1). 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. DiffuserStick sells 1 one-off in-app purchase. UseCycle asks for nothing beyond the download.
DiffuserStick ships an update every 12 months, UseCycle every 5 days. The most recent releases landed on September 30, 2026 and September 17, 2026 respectively.
| Parameter | DiffuserStick | UseCycle |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 12 months | Every 5 days — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.1 — better | 15.1 |
| Further details — not scored | ||
| Size | 17 MB | 38 MB |
| Age rating | 4+ | 17+ |
| Developer | Bum Tae Yoon | Eunae Kim |
In-app purchases
DiffuserStick
- Remove all ads 1$0.99
UseCycle
No in-app purchases








