# Only Reminder vs Calctic

The clearest difference is ads: Calctic at none against Only Reminder's shown. Calctic also leads on monetization model (free vs ad-supported) and iOS requirement (10.0 vs 15.0). Only Reminder's advantage is update cadence (every 3 days vs weekly). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Only Reminder ships an update every 3 days, Calctic weekly. The most recent releases landed on September 20, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | Only Reminder | Calctic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/only-reminder-task-and-to-do/id1640845459/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Weekly |
| Monetization | Ad-supported | **Free** |
| Size | 8 MB | 110 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ozgu Suganuma](https://appshunter.io/developer/1640845461) | [Mobitech Ltd](https://appshunter.io/developer/1654179324) |

## What reviewers say

### Only Reminder

[App page](https://appshunter.io/ios/app/only-reminder-task-and-to-do/id1640845459)

This app helps you organize tasks and reminders with a straightforward interface. It's designed for users who need a simple tool to manage their to-do lists without unnecessary complexity. Let it handle your tasks so you don't have to remember them all.

**Highlights:** Simple reminder functionality, Easy task organization, Streamlined to-do list management, Focus on core reminder needs, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Calctic

[App page](https://appshunter.io/ios/app/calctic-calculator-plus-plus/id6444365925)

This app is a versatile tool offering a wide range of calculation and conversion functions. It supports basic arithmetic, advanced math operations, unit conversions, and currency exchange. Designed for students, educators, and professionals, it provides an intuitive interface for daily calculations.

**Highlights:** Basic and advanced arithmetic, Unit of measurement conversion, Currency conversion, Interest and discount calculation, Over 20 specialized calculators

**In-app purchases:** none


## Frequently asked questions

### Is Only Reminder free?

Only Reminder is free to download, with no in-app purchases.

### Is Calctic free?

Calctic is free to download, with no in-app purchases.

### Do Only Reminder or Calctic have ads?

Only Reminder shows ads; Calctic does not.

### Which is updated more often, Only Reminder or Calctic?

Only Reminder ships an update every 3 days, and Calctic weekly. Most recently, Only Reminder was updated on September 20, 2026 and Calctic on June 11, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*