# Contacts Sync vs Microsoft Outlook

The clearest difference is ads: Contacts Sync at none against Microsoft Outlook's shown. Contacts Sync also leads on review sentiment (79% vs 65%) and iOS requirement (17.0 vs 26.0). Microsoft Outlook's advantage is ratings volume (9.4M vs 15K) and rating (4.8 vs 4.6). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Contacts Sync sells 7 in-app purchases, starting at $1.99 per 7 days and Microsoft Outlook sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Microsoft Outlook holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: Microsoft Outlook has 9.4M ratings behind it against 15K, so its average is the more settled of the two. Written reviews complicate that: 79% of Contacts Sync's written reviews are positive against 65% of Microsoft Outlook's, so the app with the better star average is not the one people write more warmly about.

Contacts Sync ships an update every 5 days, Microsoft Outlook weekly. Both last shipped on November 4, 2026.

## The numbers

| Metric | Contacts Sync | Microsoft Outlook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (15K ratings)](https://appshunter.io/ios/app/contacts-sync-google-and-more/id454390333/reviews) | **[4.8 (9.4M ratings)](https://appshunter.io/ios/app/microsoft-outlook/id951937596/reviews)** |
| Number of ratings | 15K | **9.4M** |
| Positive reviews | **79.4% of reviews** | 64.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Weekly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | — | **#14** |
| Size | 40 MB | 479 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Playa Apps](https://appshunter.io/developer/449814913) | [Microsoft Corporation](https://appshunter.io/developer/298856275) |

## What reviewers say

### Contacts Sync

[App page](https://appshunter.io/ios/app/contacts-sync-google-and-more/id454390333)

Effortlessly synchronize your contacts across Google, Outlook, and iPhone. This reliable app ensures your contact information is up-to-date everywhere with 2-way syncing and support for all contact fields and photos.

**Highlights:** 2-way contact synchronization, Sync Google, Outlook, and iPhone accounts, Syncs all contact fields and photos, Automatic background syncing, Group and custom label synchronization, Duplicate contact elimination

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (1 Week) | $1.99 | per 7 days |
| Premium (1 Month) | $2.99 | per month |
| Premium (1 Year) | $9.99 | per year |
| Automatic Contact Syncing | Free | one-time |
| Make Contribution | $4.99 | one-time |
| Make Larger Contribution | $9.99 | one-time |
| Premium (Lifetime Access) | $11.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Quick and efficient
- 💡 Useful for syncing contacts across devices
- 🔒 Reliable and secure
- 🙌 Great customer support

**What reviewers complain about**

- 🐛 Occasional sync issues
- 💰 Paid subscription required for more than 40 contacts
- 🔄 Confusion around syncing and merging contacts
- 🤔 Inconsistent contact formatting after sync

**Reported bugs**

- Deleted contacts reappearing after sync
- Sync corrupting or deleting existing contact data

**Requested features**

- Ability to merge duplicate contacts
- Sync support for Outlook contacts
- Automatic sync between multiple Google accounts
- Undo/rollback option for sync operations


### Microsoft Outlook

[App page](https://appshunter.io/ios/app/microsoft-outlook/id951937596)

**Currently charting:** #14 Top Free · Productivity, #28 Top Grossing · Productivity, #99 Top Free (US App Store)

Consolidate all your email accounts and calendars into one streamlined application. Manage your inbox, schedule meetings, and access files effortlessly. Enhance your productivity with smart features and AI-powered assistance for writing and summarizing emails.

**Highlights:** Unified inbox for multiple accounts, Smart inbox filtering, Swipe gestures for quick actions, Meeting scheduling and availability sharing, Integrated file access and editing, AI-powered email summarization and writing assistance

**Features:** Siri integration, Apple Wallet, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Microsoft 365 Basic | $1.99 | per month |
| Microsoft 365 Personal | $9.99 | per month |
| Microsoft 365 Family | $12.99 | per month |

**What reviewers like**

- 🚀 Great for corporate email
- 👍 Customizable and user-friendly
- 🚀 Seamless integration with Microsoft 365
- 👍 Solid email and calendar functionality

**What reviewers complain about**

- 🐛 Buggy and unstable at times
- 🔋 High battery consumption
- 🔒 Security issues with password resets
- 👎 Limited file attachment options

**Reported bugs**

- Frequent crashes when adding accounts
- Delayed email notifications and syncing issues
- Inability to delete emails in bulk
- Calendar reminders not working as expected

**Requested features**

- Dark mode option
- Improved search and filtering capabilities
- Better integration with native iOS apps and services
- Enhanced calendar management features


## Frequently asked questions

### Is Contacts Sync free?

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

### Is Microsoft Outlook free?

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

### Which has better reviews, Contacts Sync or Microsoft Outlook?

Microsoft Outlook is rated higher. Contacts Sync averages 4.6 out of 5 from 15K ratings, while Microsoft Outlook averages 4.8 from 9.4M ratings.

### Do Contacts Sync or Microsoft Outlook have ads?

Microsoft Outlook shows ads; Contacts Sync does not.

### Which is updated more often, Contacts Sync or Microsoft Outlook?

Contacts Sync ships an update every 5 days, and Microsoft Outlook weekly. Most recently, Contacts Sync was updated on November 4, 2026 and Microsoft Outlook on November 4, 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.*