Drop vs KINETIC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Drop
This app helps individuals who self-inject medication manage their treatment by tracking injection sites and ensuring proper rotation. It prevents overuse of specific sites to avoid damage and maintain medication effectiveness. All data is stored locally for privacy and offline use.
- Visual injection site map
- Track injection date, time, dose, location
- Automatic site rotation
- Full injection history
- Cooldown tracking
- Add notes to injections
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Care in every injection. Repeated injections in the same site cause real damage: lipohypertrophy, scar tissue, and reduced absorption that affects how well your medication actually works. Drop makes proper rotation simple, so your treatment stays effective. Your data stays on your device. No account required. No personal health data collected or shared. Drop works entirely offline. Built for anyone who self-injects regularly, including: - Type 1 or Type 2 diabetes (insulin) - GLP-1 therapy (semaglutide, tirzepatide, Ozempic, Wegovy, Mounjaro) - Autoimmune conditions (methotrexate, adalimumab, etanercept) - Fertility treatment - MS, rheumatoid arthritis, Crohn's disease, and other biologics What Drop does: - Visual injection site map for abdomen, thighs, arms, and more - Track every injection with date, time, dose, and location - Automatic site rotation to prevent overuse - Full injection history at a glance - Cooldown tracking between injections - Notes on every injection - Works across iPhone, iPad, and Apple Watch Designed with empathy. Built for reliability. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
KINETIC
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把 Zone 2 練對,把 VO2 Max 練上去。 KINETIC 用 Apple Watch 的心率替你守住強度:該穩的時候提醒你穩住,該衝的時候帶你把課表跑完。 ■ 三種訓練 自由訓練(OPS) 不挑類型、不設時限,練到你說停,每一秒都完整記錄。適合重訓、拳擊、CrossFit、飛輪等一切不吃課表的訓練。 Zone 2(BASE) 心率掉出區間,手錶震動提醒;回到區間,再震動確認。不用盯著錶,心肺底子就是這樣一次次磨出來的。 VO2 Max 間歇(PEAK) 內建挪威 4×4 與 Assault 死亡 60 秒。換段時手錶會響,換段前帶有 3-2-1 倒數提示音,讓你專注衝刺,不用一直低頭看錶。 ■ 專屬心率上限 自由訓練時心率超過你設的上限,手錶立刻震動提醒,降回線下自動停。上限可以跟著 Zone 5 走,也可以自己填一個數字。 ■ 區間算你的,不是算表格的 自動從最大心率、儲備心率、乳酸閾值挑選最準的演算法。教練給你一張表,五區下緣的百分比也能手動自訂。 ■ 訓練中,只看需要的 計時永遠是主角。手錶拿下來心率顯示 --,中斷多久也一併記著,無縫接軌。手機橫放地上直接變成巨型儀表板,兩公尺外也看得見。 ■ 次數,隨手一點就記 波比跳、壺鈴擺盪、雙搖——每做一下隨手一點,App 替你記牢,心裡不用一直數,次數直接寫進戰報。 ■ 訓練後隨時記錄 文字、照片、課表明細(動作、組數、次數、重量),訓練後隨時寫進戰報。 ■ 每一場,都能變成海報 判詞、心率曲線、各區間時間排在同一張圖上,發限動、丟群組,都拿得出手。 ■ 資料在你手上 沒有帳號、不用註冊。你的訓練資料留在 iPhone、Apple Watch 與 Apple 健康。 ■ 還有更多 鎖定畫面與靈動島即時顯示、錶面複雜功能一點就開、完整繁體中文與英文支援。 ■ 關於贊助 App 內有贊助項目,讓想支持的人請開發者喝杯咖啡。無廣告、不用訂閱,所有功能完全免費,贊助不會解鎖任何東西。 需搭配 Apple Watch 使用。 Zone 2 done right. VO2 Max up. KINETIC uses your Apple Watch heart rate to hold your intensity where you want it — steady when it should be steady, all-out when the session calls for it. ■ Three ways to train Open Session (OPS) No type to pick, no time limit. It runs until you call it, and every second is recorded. Perfect for weightlifting, boxing, CrossFit, or any unstructured session. Zone 2 (BASE) A buzz when you drop out of your zone, another when you're back in. No staring at a screen. Aerobic base gets built exactly this way, session after session. VO2 Max Intervals (PEAK) Norwegian 4x4 and the Assault 60s Death Set built in. Your watch chimes at every segment change, with a 3-2-1 audio countdown just before each switch, keeping your eyes off the screen. ■ Your own ceiling In an open session, cross the heart rate you set and your watch buzzes right away, stopping only when you come back down. Follow your Zone 5 lower bound, or set your custom BPM. ■ Zones tailored to you Max heart rate, heart rate reserve, or lactate threshold — the most accurate method is picked for you. Got a table from your coach? Enter the five zone percentages yourself. ■ Read it mid-set The clock is the hero. Take the watch off and the heart rate shows --, with the gap recorded. Put your iPhone on the floor and it turns into a giant dashboard you can read from across the room. ■ Reps, one tap each Burpees, kettlebell swings, double-unders — mark each rep with a tap and the count is kept for you. Nothing to hold in your head; reps go straight into your report. ■ Log it whenever Notes, photos, and session details (movement, sets, reps, weight) — add them to the report any time after you finish. ■ Every session, poster-ready The verdict, your heart-rate curve, and time in every zone laid out on one share card — ready for stories or the group chat. ■ Your data stays yours No account, no sign-up. Everything stays on your iPhone, Apple Watch, and Apple Health. ■ Also Live Activity and Dynamic Island, watch face complications, full English and Traditional Chinese support. ■ About tipping Optional tip jar inside the app for anyone who wants to support development. No ads, no subscription — every feature is completely free, and tipping unlocks nothing. Apple Watch required.
Screenshots
Verdict
Drop and KINETIC are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Drop sells 2 in-app purchases, starting at $1.99 per month and KINETIC sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Drop ships an update weekly, KINETIC every 5 days. The most recent releases landed on October 13, 2026 and October 16, 2026 respectively.
| Parameter | Drop | KINETIC |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Weekly | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, Apple Watch |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 53 MB | 4 MB |
| Age rating | 17+ | 4+ |
| Developer | Douglas Kilby | Shau Bo Hsu |
In-app purchases
Drop
- Drop Insight Monthly$1.991 Month
- Drop Insight Yearly$9.991 Year
KINETIC
- Support Development$0.99
- Support Development$2.99
- Support Development$9.99









