# Calibre Sync vs iGotify

The clearest difference is price: iGotify at Free against Calibre Sync's $4.99. iGotify also leads on rating (4.4 vs 3.9). Calibre Sync's advantage is in-app purchases (none vs 1) and update cadence (weekly vs monthly). On review sentiment, ads and device support there is nothing between them.

iGotify is free to download; Calibre Sync costs $4.99 up front. iGotify sells 1 one-off in-app purchase. Calibre Sync asks for nothing beyond the download.

iGotify holds the better App Store score, 4.4 against 3.9. Both are backed by a comparable volume of ratings — 55 and 14 respectively. Written reviews point the same way: 62% of Calibre Sync's written reviews are positive against 66% of iGotify's.

Calibre Sync ships an update weekly, iGotify monthly. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Calibre Sync | iGotify |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [3.9 (55 ratings)](https://appshunter.io/ios/app/calibre-sync/id1609138078/reviews) | **[4.4 (14 ratings)](https://appshunter.io/ios/app/igotify/id6473452512/reviews)** |
| Number of ratings | **55** | 14 |
| Positive reviews | 62.1% of reviews | **65.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#191** | — |
| Size | 128 MB | 12 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DUONG THUY PHAM](https://appshunter.io/developer/1795008858) | [Sebastian Rank](https://appshunter.io/developer/1330475474) |

## What reviewers say

### Calibre Sync

[App page](https://appshunter.io/ios/app/calibre-sync/id1609138078)

**Currently charting:** #191 Top Paid · Utilities (US App Store)

Access and manage your Calibre ebook libraries from various cloud services or wirelessly connect to your desktop. Browse, search, download, and organize your books on your device. Supports multiple libraries and accounts.

**Highlights:** Access Calibre libraries on cloud services, Wireless connection to Calibre, Supports multiple libraries and accounts, Browse, search, and download books, Organize books with filters and sorting, Send books to Kindle

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Access Calibre library anywhere
- 🚀 Syncs easily and quickly
- 💡 Mirrors Calibre library design
- 💡 Viewable and searchable library
- 💡 Downloadable on demand

**What reviewers complain about**

- 🐛 Popup cannot be removed
- 🐛 Sync issues with Calibre v9
- 🐛 Developer non-responsive
- 🐛 App broken since Calibre v9
- 🐛 Deprecated database columns

**Reported bugs**

- Popup reappears every launch
- Calibre version 9 bricked the app
- Database error
- Stopped working since Calibre update
- Error when changing DB

**Requested features**

- More customizability with viewing options
- Integrated ebook reader
- Mark books as favorites
- Calendar feature for reading
- Use configured mail app


### iGotify

[App page](https://appshunter.io/ios/app/igotify/id6473452512)

Receive and manage push notifications from a Gotify server on your iOS device. Enhance security with biometric locks, customize notification sounds, and view Markdown-formatted messages. Supports multiple users, Docker integration, and various languages.

**Highlights:** Receive push notifications from Gotify server, Biometric security (Face ID/Touch ID), Custom notification sounds, Markdown support for notifications, Message decryption via public key, Multi-user and multi-server support, Docker integration

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kauf mir ein kühles Getränk | $1.99 | one-time |


## Frequently asked questions

### Is Calibre Sync free?

Calibre Sync costs $4.99, with no in-app purchases.

### Is iGotify free?

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

### Which has better reviews, Calibre Sync or iGotify?

iGotify is rated higher. Calibre Sync averages 3.9 out of 5 from 55 ratings, while iGotify averages 4.4 from 14 ratings.

### Do Calibre Sync or iGotify have ads?

Neither Calibre Sync nor iGotify shows ads.

### Which is updated more often, Calibre Sync or iGotify?

Calibre Sync ships an update weekly, and iGotify monthly. Most recently, Calibre Sync was updated on October 13, 2026 and iGotify on October 7, 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.*