# Contacts Sync Pro vs InkDown

The clearest difference is price: InkDown at Free against Contacts Sync Pro's $9.99. InkDown also leads on in-app purchases (none vs 4) and update cadence (every 3 days vs every 3 months). Contacts Sync Pro's advantage is chart position (#165 vs unranked) and iOS requirement (17.0 vs 26.0). On ads and device support there is nothing between them.

InkDown is free to download; Contacts Sync Pro costs $9.99 up front. Contacts Sync Pro sells 4 one-off in-app purchases. InkDown asks for nothing beyond the download.

Contacts Sync Pro ships an update every 3 months, InkDown every 3 days. The most recent releases landed on October 17, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Contacts Sync Pro | InkDown |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[4.7 (811 ratings)](https://appshunter.io/ios/app/contacts-sync-pro/id686378579/reviews)** | — |
| Number of ratings | **811** | — |
| Positive reviews | 87.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#165** | — |
| Size | 42 MB | 18 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Playa Apps](https://appshunter.io/developer/449814913) | [youngmin cho](https://appshunter.io/developer/1895079411) |

## What reviewers say

### Contacts Sync Pro

[App page](https://appshunter.io/ios/app/contacts-sync-pro/id686378579)

**Currently charting:** #165 Top Paid · Productivity (US App Store)

Effortlessly synchronize your contacts across Google, iCloud, and Outlook. This reliable app ensures your contact information is up-to-date on your iPhone, supporting two-way syncing and preserving all contact details and groups.

**Highlights:** Sync Google, iCloud, and Outlook contacts, Two-way and one-way sync options, Syncs all contact fields and photos, Preserves Google labels and Outlook categories, Automatic background syncing, Duplicate contact elimination, Confirm changes before syncing

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Syncs | Free | one-time |
| Automatic Contact Syncing | Free | one-time |
| Make Contribution | $4.99 | one-time |
| Make Larger Contribution | $9.99 | one-time |

**What reviewers like**

- 🚀 Works flawlessly
- 👍 Easy to use
- 🚀 Reliable and accurate
- 🚀 Keeps contacts in sync
- 👍 Excellent responsiveness from developer

**What reviewers complain about**

- 🐛 UX has subtly changed for the worse
- 🐛 Confusing to use for just syncing one contact
- 🐛 Doesn't sync Gmail groups

**Reported bugs**

- Caused massive increase in number of contacts
- Eliminated all existing contacts

**Requested features**

- Improved handling of duplicate contacts
- Better side-by-side comparison of contacts


### InkDown

[App page](https://appshunter.io/ios/app/inkdown/id6802183993)

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

**In-app purchases:** none


## Frequently asked questions

### Is Contacts Sync Pro free?

Contacts Sync Pro costs $9.99, and also offers in-app purchases.

### Is InkDown free?

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

### Do Contacts Sync Pro or InkDown have ads?

Neither Contacts Sync Pro nor InkDown shows ads.

### Which is updated more often, Contacts Sync Pro or InkDown?

Contacts Sync Pro ships an update every 3 months, and InkDown every 3 days. Most recently, Contacts Sync Pro was updated on October 17, 2026 and InkDown on October 16, 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.*