# Availability Sync vs Omera

The clearest difference is in-app purchases: Availability Sync at none against Omera's 4. Omera's advantage is review sentiment (95% vs 67%) and rating (4.7 vs 4.4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Omera sells 4 in-app purchases, starting at $2.99 per month. Availability Sync asks for nothing beyond the download.

Omera holds the better App Store score, 4.7 against 4.4. That said, the two scores are not equally well evidenced: Omera has 29 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 67% of Availability Sync's written reviews are positive against 95% of Omera's.

Availability Sync ships an update weekly, Omera every 2 weeks. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Availability Sync | Omera |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (5 ratings)](https://appshunter.io/ios/app/availability-sync/id6670766226/reviews) | **[4.7 (29 ratings)](https://appshunter.io/ios/app/omera-ai-writing-keyboard/id6695754057/reviews)** |
| Number of ratings | 5 | **29** |
| Positive reviews | 66.7% of reviews | **95.2% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | **Free** | Freemium |
| Size | 10 MB | 21 MB |
| Requires iOS | 17.5 | **15.4** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [David Fuerst](https://appshunter.io/developer/1754806202) | [Michele Spina](https://appshunter.io/developer/1769195593) |

## What reviewers say

### 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


### Omera

[App page](https://appshunter.io/ios/app/omera-ai-writing-keyboard/id6695754057)

Enhance your writing with an AI-powered keyboard that offers grammar and spell checking, keyword suggestions, and tone adjustment. Translate text and adapt your message for any audience with advanced writing tools.

**Highlights:** AI-powered grammar and spell check, Keyword suggestion tool, Text translation, Tone adjustment for different audiences, Reply suggestions, User-friendly interface

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium, monthly | $2.99 | per month |
| Premium, quarterly | $7.99 | per 3 months |
| Premium, yearly | $19.99 | per year |
| Premium, lifetime | $39.99 | one-time |

**What reviewers like**

- 🚀 Efficient and fast
- 👍 User-friendly interface
- 🌍 Excellent translation capabilities
- 💡 Intelligent grammar and tone suggestions
- 🔍 Helpful reply suggestions

**What reviewers complain about**

- 🐛 Occasional minor bugs or glitches

**Reported bugs**

- Occasional freezing or crashes

**Requested features**

- Add support for more languages
- Improve custom prompt feature


## Frequently asked questions

### Is Availability Sync free?

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

### Is Omera free?

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

### Which has better reviews, Availability Sync or Omera?

Omera is rated higher. Availability Sync averages 4.4 out of 5 from 5 ratings, while Omera averages 4.7 from 29 ratings.

### Do Availability Sync or Omera have ads?

Neither Availability Sync nor Omera shows ads.

### Which is updated more often, Availability Sync or Omera?

Availability Sync ships an update weekly, and Omera every 2 weeks. Most recently, Availability Sync was updated on October 14, 2026 and Omera on October 24, 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.*