Comparison

Rereminder vs MainContacts

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Rereminder

Receive timely alerts before your timers expire, ensuring you're always prepared. Customize pre-alerts with specific messages and durations. Integrates with Dynamic Island and Apple Watch for seamless tracking.

Highlights
  • Pre-alerts before timer ends
  • Customizable alert timing and messages
  • Dynamic Island & Live Activity integration
  • Apple Watch support
  • Timer templates
  • Labels and colors for organization
  • Overtime tracking
Features
Read full description

Get warned before time runs out. 5 minutes before your presentation ends. 3 minutes before the meeting wraps up. 1 minute before your workout is over. Rereminder sends step-by-step alerts before your timer hits zero, so you're always prepared and never caught off guard. PRE-ALERTS — The Feature Other Timers Don't Have Most timers only alert you when time is up. Rereminder alerts you before it's up. - Set alerts at 1, 3, 5, 10, 15, or 30 minutes before end - Customize the timing to fit your needs - Add custom messages to each alert e.g., "Wrap up your slides", "Start cooldown" KEY FEATURES - Dynamic Island & Live Activity See your timer in real-time without unlocking your phone - Apple Watch Start, pause, and track timers from your wrist - Timer Templates Save your favorite setups and launch them instantly - Labels & Colors Organize timers by purpose — Presentation, Meeting, Exercise, Study - Sound & Vibration Choose the right alert style for any situation - Overtime Tracking Keep counting after the timer ends so you know how far over you went PERFECT FOR - Speakers who need to pace their presentations - Meeting hosts who respect everyone's time - Athletes managing rest intervals between sets - Students using Pomodoro with staged alerts - Coaches and mentors running timed sessions WHY "Rereminder"? re + reminder = remind you again We remind you before it's too late — again and again. No ads · No forced subscriptions · No internet required

About

MainContacts

Features
Read full description

MainContacts helps you keep your emergency contact network organized, protected, and ready when you need it most. In stressful situations, low battery moments, or when you do not have access to your main phone, reaching the right people quickly can make a real difference. MainContacts was built to make that easier by helping you keep your essential contacts structured, updated, and available when it matters most. With MainContacts, you can add emergency contacts, assign priority levels, and build a trusted network in a simple way. Access can also be protected with an emergency identifier and PIN for more control and privacy. One of the app’s key features is Help Mode on another device. Using your emergency identifier and PIN, you can access essential contacts even when your main phone is unavailable. That makes MainContacts especially useful when speed and practicality matter most. MainContacts also helps you stay prepared with periodic reminders to review names, phone numbers, and priorities. After all, an emergency network only works well when it stays updated. Key features: • Emergency contact management • Priority-based organization • Personalized emergency identifier • PIN-protected access • Help Mode on another device • Fast access when requesting help • Periodic review reminders • iCloud sync • Sign in with Apple MainContacts was designed to offer a simple, reliable, and focused experience centered on preparedness, speed, and ease of use. Important: MainContacts does not replace official emergency services, medical services, police, firefighters, or public safety resources. It is designed to help you quickly reach your personal support network when needed.

Screenshots

Rereminder4 screens
MainContacts4 screens

Verdict

The call

The clearest difference is in-app purchases: MainContacts at none against Rereminder's 1. Rereminder's advantage is update cadence (every 3 days vs every 3 weeks). On price, ads, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Rereminder sells 1 one-off in-app purchase. MainContacts asks for nothing beyond the download.

UpkeepUpdate frequency

Rereminder ships an update every 3 days, MainContacts every 3 weeks. Both last shipped on October 5, 2026.

Scorecard2 real differences · 8 level
Rereminder versus MainContacts: the parameters behind the verdict, then further details
ParameterRereminderMainContacts
PriceFreeFree
Rating4.4 (5 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings5 — better—
Update frequencyEvery 3 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, Apple Watch — betteriPhone
Requires iOS26.026.0
Further details — not scored
Size12 MB6 MB
Age rating4+4+
Developerhyunho leeLucas Monteiro

In-app purchases

1 purchases

Rereminder

One-time1
  • 두번알림 pro$9.99
None

MainContacts

No in-app purchases

Questions

Is Rereminder free?
Rereminder is free to download, with in-app purchases available.
Is MainContacts free?
MainContacts is free to download, with no in-app purchases.
Do Rereminder or MainContacts have ads?
Neither Rereminder nor MainContacts shows ads.
Which is updated more often, Rereminder or MainContacts?
Rereminder ships an update every 3 days, and MainContacts every 3 weeks. Most recently, Rereminder was updated on October 5, 2026 and MainContacts on October 5, 2026.

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