Comparison

ReminderOS vs GeekScan

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

Head to head
About

ReminderOS

Create highly customizable reminders with flexible repeat schedules and instant notification actions. Sync across devices without accounts, prioritizing user privacy. Designed for busy individuals and those with ADHD to manage tasks and routines effectively.

Highlights
  • Customizable recurring reminders
  • Snooze and reschedule from notifications
  • Seamless iCloud sync across devices
  • Privacy-first design, no tracking
  • Built for busy and ADHD minds
  • Flexible scheduling options
Features
Read full description

ReminderOS - Reminders that keep up with you. Create simple reminders or ultra-specific repeat schedules with ReminderOS. Sync seamlessly across your devices, snooze or reschedule from notifications, and stay on top of deadlines, habits and routines - all while keeping your data private. No clutter. No tracking. Just reminders that work. Recurring reminders, your way ReminderOS gives you full control over how reminders repeat. Set flexible schedules like: • Every 3 days • Every 2 weeks • Specific weekdays • Custom recurring intervals If you can describe it, ReminderOS can schedule it. Snooze without opening the app Handle reminders instantly from your notifications. • Snooze reminders • Reschedule tasks • Mark reminders as complete Stay focused without switching apps. Sync across your devices Your reminders stay updated across all your devices using iCloud. • No accounts required • No tracking • Your data stays yours Privacy-first by design. Built for busy and ADHD minds ReminderOS helps reduce overwhelm with clean design, flexible scheduling and persistent reminders that actually stick. Use ReminderOS for: • Work deadlines • Medication reminders • Study schedules • Habits and routines • Daily life admin Simple when you need it. Powerful when it matters. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula

About

GeekScan

Features
Read full description

GeekScan is a fast, offline-first tool for barcode scanning, text recognition, and barcode generation, designed for users who value accuracy, control, and structured data processing. All features run locally on the device with no internet connection required, no tracking, and no ads. Supports scanning a wide range of common barcode and QR code formats, including QR, Aztec, Data Matrix, PDF417, Micro QR, Code 128, Code 39, Code 93, Codabar, EAN-13, EAN-8, UPC-E, ITF, GS1 DataBar series, MSI Plessey, and more. Supported barcode formats and recognition performance may vary depending on the device and system version. Also supports generating QR, Aztec, PDF417, Data Matrix, Micro QR, Code 128, Code 39, Code 93, Codabar, EAN-13, EAN-8, UPC-E, ITF, MSI, and GS1 DataBar series barcodes. Text recognition runs fully offline and supports multiple languages, including English (US), Simplified Chinese, Traditional Chinese, Japanese, Korean, French, German, Spanish, Italian, Portuguese (Brazil), Russian, Thai, Ukrainian, and Vietnamese. - Standard Mode: Uses the system built-in text recognition capability, suitable for everyday text extraction. - High Precision Mode: Includes an optimized model designed for Chinese and Japanese scenarios, ideal for extracting text from screenshots or long screenshots with higher recognition accuracy. All results are stored locally for quick access and reuse.

Screenshots

ReminderOS4 screens
GeekScan4 screens

Verdict

The call

The clearest difference is iOS requirement: GeekScan at 17.6 against ReminderOS's 26.2. On price, update cadence, ads and in-app purchases 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. ReminderOS sells 3 in-app purchases, starting at $2.99 per 7 days and GeekScan sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

ReminderOS ships an update every 4 days, GeekScan every 3 days. Both last shipped on October 24, 2026.

Scorecard1 real difference · 8 level
ReminderOS versus GeekScan: the parameters behind the verdict, then further details
ParameterReminderOSGeekScan
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 4 daysEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS26.217.6 — better
Further details — not scored
Size26 MB102 MB
Age rating4+4+
DeveloperPaul Waweru非 吴

In-app purchases

3 purchases

ReminderOS

Subscriptions2
  • ReminderOS Pro1 Month trial$2.997 Days
  • ReminderOS Pro1 Month trial$39.991 Year
One-time1
  • ReminderOS Lifetime$49.99
2 purchases

GeekScan

One-time2
  • Support GeekScan$0.99
  • Additional Support$2.99

Questions

Is ReminderOS free?
ReminderOS is free to download, with in-app purchases available.
Is GeekScan free?
GeekScan is free to download, with in-app purchases available.
Do ReminderOS or GeekScan have ads?
Neither ReminderOS nor GeekScan shows ads.
Which is updated more often, ReminderOS or GeekScan?
ReminderOS ships an update every 4 days, and GeekScan every 3 days. Most recently, ReminderOS was updated on October 24, 2026 and GeekScan on October 24, 2026.

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