SmartShaker 3 vs Persisty
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SmartShaker 3
This app connects to a wireless bed shaker alarm via Bluetooth for reliable and discreet wake-ups. It offers customizable vibration strengths, stores alarm settings directly on the device, and provides notifications for calls and other apps. The long-lasting battery ensures up to 14 days of use on a single charge.
- Bluetooth pairing and control
- On-device alarm storage
- Adjustable vibration levels
- Instant notification alerts
- Long-lasting battery life
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SmartShaker 3 is a wireless, app-enabled bed shaker alarm designed to help you wake up reliably and discreetly. Features: • Easy Setup & Intuitive Controls Pair SmartShaker 3 with your device via Bluetooth and manage it effortlessly through the SmartShaker 3 app. • Reliable Alarm Storage Your alarm settings are saved directly on the SmartShaker 3, ensuring you wake up on time—even if your phone is off. • Adjustable Vibration Strengths Select from 5 vibration levels to suit your needs. • Instant Notification Alerts Get alerted to incoming calls and app notifications instantly. • Long-Lasting Battery A single charge provides up to 14 days of silent, reliable wake-ups. Perfect for travelers, couples, roommates, students, heavy sleepers, and individuals who are deaf or hard of hearing.
Persisty
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Tired of missing important meetings and events? Persisty ensures you never forget what matters. PERSISTENT REMINDERS Unlike Apple Calendar that reminds you just once, Persisty keeps notifying you until you acknowledge your event. Perfect for busy professionals, people with ADHD, or anyone who needs that extra nudge. HOW IT WORKS • Connect your Google Calendar • Persisty starts monitoring your upcoming events • Get notified 10 minutes before each event starts • Receive repeated reminders every minute until you respond • Mute or snooze notifications right from the alert KEY FEATURES - Syncs with Google Calendar - Persistent notifications that won't let you forget - Customizable reminder intervals - Apple Watch support with complications - Mute individual events you don't need reminders for - Beautiful, easy-to-use interface - Works in the background PERFECT FOR • Busy professionals with back-to-back meetings • Students managing class schedules • People with ADHD or executive function challenges • Anyone who's ever missed an important event FREE FEATURES • Google Calendar sync • Up to 3 persistent reminders per event • Basic notification settings • Apple Watch app PREMIUM FEATURES • Up to 20 reminders per event • Multiple calendar support • Advanced notification settings • Custom alarm sounds (coming soon) • Priority support PRIVACY FIRST Your calendar data stays on your device. We only access what you explicitly grant permission for, and we never share your data with third parties. REQUIREMENTS • iOS 15.0 or later • Google account with Calendar access • Notification permissions Download Persisty today and never miss another important moment! --- Have questions or feedback? Contact us at support@sendprobe.com
Screenshots
Verdict
SmartShaker 3 and Persisty are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | SmartShaker 3 | Persisty |
|---|---|---|
| Price | Free | Free |
| Rating | 2.8 (41 ratings) — better | — |
| Positive reviews | 17.4% of reviews | — |
| Number of ratings | 41 — better | — |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 32 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | MariHome Tech Limited | Daniel Kennedy |
In-app purchases
SmartShaker 3
No in-app purchases
Persisty
No in-app purchases









