# Simple Calendar Daily Planner vs Availability Sync

The clearest difference is in-app purchases: Availability Sync at none against Simple Calendar Daily Planner's 3. Availability Sync also leads on ads (none vs shown) and update cadence (weekly vs every 6 weeks). Simple Calendar Daily Planner's advantage is ratings volume (6.4K vs 5) and iOS requirement (15.0 vs 17.5). On price, rating, review sentiment and device support there is nothing between them.

Both are free to download. Simple Calendar Daily Planner sells 3 in-app purchases, starting at $2.99 per month. Availability Sync asks for nothing beyond the download.

Simple Calendar Daily Planner holds the better App Store score, 4.6 against 4.4. That said, the two scores are not equally well evidenced: Simple Calendar Daily Planner has 6.4K ratings behind it against 5, so its average is the more settled of the two. Written reviews complicate that: 60% of Simple Calendar Daily Planner's written reviews are positive against 67% of Availability Sync's, so the app with the better star average is not the one people write more warmly about.

Simple Calendar Daily Planner ships an update every 6 weeks, Availability Sync weekly. The most recent releases landed on September 25, 2026 and June 2, 2026 respectively.

## The numbers

| Metric | Simple Calendar Daily Planner | Availability Sync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (6.4K ratings)](https://appshunter.io/ios/app/simple-calendar-daily-planner/id1422994973/reviews)** | [4.4 (5 ratings)](https://appshunter.io/ios/app/availability-sync/id6670766226/reviews) |
| Number of ratings | **6.4K** | 5 |
| Positive reviews | 60.5% of reviews | **66.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 133 MB | 10 MB |
| Requires iOS | **15.0** | 17.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Komorebi Inc.](https://appshunter.io/developer/481596469) | [David Fuerst](https://appshunter.io/developer/1754806202) |

## What reviewers say

### Simple Calendar Daily Planner

[App page](https://appshunter.io/ios/app/simple-calendar-daily-planner/id1422994973)

This app offers a streamlined calendar experience with a focus on simplicity and ease of use. It allows for easy sharing of schedules, extensive customization options like font size and color-coding, and secure passcode locking. It's ideal for users seeking a functional, minimalist organizer.

**Highlights:** Schedule sharing, 15 Widgets, Adjustable font size, Color-coded calendars, Passcode lock, Sync with other apps

**Features:** Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Monthly) | $2.99 | per month |
| Premium (Annual) | $19.99 | per year |
| Remove Ads | $8.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- 👍 Customizable colors and design
- 💡 Helpful for organization
- 🚀 Simple calendar functionality
- 👍 Straightforward and clean interface

**What reviewers complain about**

- 🐛 Glitchy behavior (moving events, deleting, duplicating)
- 🐛 Language issues (randomly changing to Spanish)
- 🐛 Widget not working properly
- 🐛 Syncing issues between devices
- 🐛 Appointment times changing on their own

**Reported bugs**

- Calendar glitching, events disappearing or duplicating
- Language randomly changing to Spanish
- Widget not displaying events correctly
- Syncing issues between iPhone and iPad
- Appointment times changing unexpectedly

**Requested features**

- Add ability to invite/share calendars
- Include more reminder options (multiple, further in advance)
- Expand customization options (fonts, colors, layouts)
- Integrate weather information
- Add option to set day start/end times


### Availability Sync

[App page](https://appshunter.io/ios/app/availability-sync/id6670766226)

Easily share your free time slots for meetings and appointments. This app integrates with your existing calendars and allows for customized sharing messages and professional calendar invites. Streamline your scheduling process and avoid back-and-forth communication.

**Highlights:** Instant availability sharing, Calendar integration (iOS, Google, Outlook), Customizable sharing messages, Professional calendar invitations, Multiple time slot selection, Time zone management

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Simple Calendar Daily Planner free?

Simple Calendar Daily Planner is free to download, with in-app purchases available.

### Is Availability Sync free?

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

### Which has better reviews, Simple Calendar Daily Planner or Availability Sync?

Simple Calendar Daily Planner is rated higher. Simple Calendar Daily Planner averages 4.6 out of 5 from 6.4K ratings, while Availability Sync averages 4.4 from 5 ratings.

### Do Simple Calendar Daily Planner or Availability Sync have ads?

Simple Calendar Daily Planner shows ads; Availability Sync does not.

### Which is updated more often, Simple Calendar Daily Planner or Availability Sync?

Simple Calendar Daily Planner ships an update every 6 weeks, and Availability Sync weekly. Most recently, Simple Calendar Daily Planner was updated on September 25, 2026 and Availability Sync on June 2, 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.*