# OpenTime vs Remindfully

The clearest difference is price: Remindfully at Free against OpenTime's $0.99. Remindfully also leads on ratings volume (4 vs 1) and iOS requirement (17.0 vs 26.2). OpenTime's advantage is in-app purchases (none vs 1) and device support (3 vs 1). On rating, update cadence and ads there is nothing between them.

Remindfully is free to download; OpenTime costs $0.99 up front. Remindfully sells 1 one-off in-app purchase. OpenTime asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for OpenTime against 5.0 for Remindfully. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

OpenTime ships an update every 2 days, Remindfully every 3 days. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | OpenTime | Remindfully |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/opentime/id6760204246/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/remindfully-calm-reminders/id6779375899/reviews) |
| Number of ratings | 1 | **4** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 days |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 4 MB | 2 MB |
| Requires iOS | 26.2 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [james tannahill](https://appshunter.io/developer/1883186220) | [Fogarty Holdings LLC](https://appshunter.io/developer/1891153306) |

## What reviewers say

### OpenTime

[App page](https://appshunter.io/ios/app/opentime/id6760204246)

Quickly find your open time slots by analyzing your device calendars. This app offers flexible date range views, slot duration selection, and convenient sharing options without requiring accounts or tracking your data.

**Highlights:** View free/busy slots for any date range, Slot duration picker with chip subdivision, Quick sharing of daily availability, Customizable appearance (light/dark/system), Pinned queries for one-tap access, Home screen widgets and Live Activities, Apple Watch companion app

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Remindfully

[App page](https://appshunter.io/ios/app/remindfully-calm-reminders/id6779375899)

This app consolidates your Apple Reminders into a single daily digest, reducing notification overload. It intelligently handles urgent tasks and missed recurring reminders, while keeping your existing workflow intact.

**Highlights:** Daily digest notification, Time-based interrupts, High-priority interrupts, Completion sync with Apple Reminders, Smart handling of missed reminders, Lock-screen card (Pro), Per-list interrupt rules (Pro)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remindfully Pro | $4.99 | one-time |


## Frequently asked questions

### Is OpenTime free?

OpenTime costs $0.99, with no in-app purchases.

### Is Remindfully free?

Remindfully is free to download, with in-app purchases available.

### Which has better reviews, OpenTime or Remindfully?

OpenTime and Remindfully are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do OpenTime or Remindfully have ads?

Neither OpenTime nor Remindfully shows ads.

### Which is updated more often, OpenTime or Remindfully?

OpenTime ships an update every 2 days, and Remindfully every 3 days. Most recently, OpenTime was updated on October 24, 2026 and Remindfully on October 31, 2026.

---

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