# CalCs vs mod.Reminder

The clearest difference is price: mod.Reminder at Free against CalCs's $0.49. mod.Reminder also leads on iOS requirement (18.5 vs 26.0). CalCs's advantage is chart position (#198 vs unranked) and update cadence (every 5 days vs every 10 days). On ads, in-app purchases and device support there is nothing between them.

mod.Reminder is free to download; CalCs costs $0.49 up front. CalCs sells 3 one-off in-app purchases and mod.Reminder sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

CalCs ships an update every 5 days, mod.Reminder every 10 days. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | CalCs | mod.Reminder |
| --- | --- | --- |
| Price | $0.49 | **Free** |
| Rating | **[4.6 (11 ratings)](https://appshunter.io/ios/app/calcs-calendar-complications/id6499201223/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 66.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 10 days |
| Monetization | Paid | — |
| Best chart rank | **#198** | — |
| Size | 4 MB | 8 MB |
| Requires iOS | 26.0 | **18.5** |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Akihiro Usui](https://appshunter.io/developer/1387267485) | [SATOSHI NAGASAKA](https://appshunter.io/developer/1826446450) |

## What reviewers say

### CalCs

[App page](https://appshunter.io/ios/app/calcs-calendar-complications/id6499201223)

**Currently charting:** #198 Top Paid · Utilities (US App Store)

Enhance your Apple Watch experience with customizable calendar complications. View dates, upcoming events, and monthly calendars directly on your watch face. Syncs with your iPhone's calendar and reminders for at-a-glance information.

**Highlights:** Customizable date complications, Event and reminder display, Monthly calendar view, Syncs with iPhone calendar, WatchOS-only app, Smart Stack integration

**Features:** Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Snack-Sized Tip | $0.49 | one-time |
| Coffee-Sized Tip | $1.99 | one-time |
| Lunch-Sized Tip | $3.99 | one-time |


### mod.Reminder

[App page](https://appshunter.io/ios/app/modreminder/id6748593483)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| mod.Reminder - Full Version | $2.99 | one-time |


## Frequently asked questions

### Is CalCs free?

CalCs costs $0.49, and also offers in-app purchases.

### Is mod.Reminder free?

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

### Do CalCs or mod.Reminder have ads?

Neither CalCs nor mod.Reminder shows ads.

### Which is updated more often, CalCs or mod.Reminder?

CalCs ships an update every 5 days, and mod.Reminder every 10 days. Most recently, CalCs was updated on November 4, 2026 and mod.Reminder on October 30, 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.*