ANGSTROM vs NotiDrop
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
ANGSTROM
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This is an application for operating "Angstrom Series." With a smartphone or tablet, you can turn the device On/Off. By setting the internal timer of the humidifying device, you can configure continuous or intermittent operation as desired. Detailed settings by day of the week are also possible.
NotiDrop
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NotiDrop forwards notifications received on your Android device to your linked Apple devices. Now you can even reply to KakaoTalk and SMS alerts from another device! Never miss an important notification and use both devices more efficiently. [Key Features] β’ Real-time notification forwarding Get Android notifications on your Apple device instantly. β’ Reply to KakaoTalk & SMS (PRO) Reply to message alerts straight from another device. End-to-end encrypted and sent securely through your linked Android device. β’ Incoming call alerts Get notified of calls and missed calls from your Android device. β’ Check without read receipts The original app is never opened, so no read receipt is sent. [PRO Features] β’ Reply to messages from another device β’ Remove ads β’ Do Not Disturb schedule β’ Extended usage (storage period, reception count, registered devices) * PRO features are available via subscription. [Recommended for] β’ People using a work Android and a personal Apple device together β’ People who want to manage notifications from multiple devices in one place β’ People who want to reply to KakaoTalk/SMS from another device [How to use] 1. Install NotiDrop on your Android device 2. Install this app on your Apple device and sign in with the same account 3. Allow notification access on Android 4. All set! Contact: help@notidrop.com Terms: https://api.notidrop.com/terms/terms-of-service Privacy: https://api.notidrop.com/terms/privacy-policy
Screenshots
Verdict
The clearest difference is in-app purchases: ANGSTROM at none against NotiDrop's 2. ANGSTROM also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.0). NotiDrop's advantage is update cadence (weekly vs every 4 months). On price and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. NotiDrop sells 2 in-app purchases, starting at $1.99 per month. ANGSTROM asks for nothing beyond the download.
ANGSTROM ships an update every 4 months, NotiDrop weekly. The most recent releases landed on October 7, 2026 and October 28, 2026 respectively.
| Parameter | ANGSTROM | NotiDrop |
|---|---|---|
| Price | Free | Free |
| Positive reviews | β | 50.0% of reviews |
| Update frequency | Every 4 months | Weekly β better |
| Ads | No β better | Yes |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 β better | 15.0 |
| Further details β not scored | ||
| Size | 10 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | PURGATIO inc. | MINSEO CHOI |
In-app purchases
ANGSTROM
No in-app purchases
NotiDrop
- Pro Subscription$1.991 Month
- Pro Yearly7 Days trial$19.991 Year









