Contacts Sync Pro vs ShiftSteward
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Contacts Sync Pro
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.
- 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
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••• SYNC GOOGLE, ICLOUD, & OUTLOOK! ••• #1 SYNC APP FOR 15+ YEARS! ••• TRUSTED BY 10,000,000+ USERS! With Contacts Sync Pro, you can quickly & easily sync your Google or Outlook contacts with iPhone, giving you access to your contacts wherever you go. This app distinguishes itself with its reliability, ease of use, speed, and with a true "2-way sync" that merges changes made to either account. This is the #1 app for syncing contacts both in terms of downloads & reviews. Also of significance, this app syncs your Google labels or Outlook categories with your iPhone lists. For instance, you may have organized your Google contacts into groups such as "friends," "family," and "coworkers." After a sync, your iPhone and Google groups will match. With your groups configured on iPhone, you can easily send group emails or group messages. SYNC THE FOLLOWING ACCOUNTS: • Sync Google with iPhone • Sync Outlook with iPhone • Sync 2 Google accounts SYNC ANY IPHONE ACCOUNT: • Choose to sync all of your iPhone contacts, or choose to sync contacts from a specific iPhone account, such as iCloud, a local iPhone address book, Outlook, or a CardDAV account SYNC TYPES: • Choose from one of the following sync types: 2-Way Sync, 1-Way Sync, and Manual Sync • Choose a 2-Way Sync to sync changes in both directions • Choose a 1-Way Sync to transfer changes in one direction only • Choose a Manual Sync to sync specific contacts only SYNCS ALL FIELDS: • Syncs all fields including names, phonetic names, nicknames, email addresses, phone numbers, postal addresses, company names, job titles, departments, birthdays, anniversaries, events, notes, web page addresses, relationships, instant messaging accounts, & social profiles • Syncs contact photos • Syncs custom labels & custom fields INITIAL SYNC: • During the initial sync, the contents of matching contacts will be merged CONFIRM CHANGES BEFORE SYNCING: • Review each change before the sync actually begins AUTOMATIC SYNC: • Automatically syncs contacts in the background 24/7 APPLY FILTERS INCLUDING GROUP FILTER: • Apply the group filter, new contact filter, and more! DUPLICATE CONTACTS: • Eliminate duplicate contacts from both iPhone and Google
ShiftSteward
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The sign-up sheet, in your pocket. ShiftSteward is how volunteers at schools and churches see what needs filling and put their name on it — without a group text chain or a spreadsheet nobody can find. WHAT YOU CAN DO • See every shift your organization has posted, filtered down to the ones with open spots • Take a slot on a numbered sign-up sheet — the same sheet you know, minus the clipboard • Cancel when plans change; your spot opens back up for someone else • Get a reminder before each shift by push, email, or text • Message everyone in your organization, your group, or just the people on a shift • Watch your volunteer hours add up FOR COORDINATORS Mark attendance right on the roster on the day of the shift, reach a volunteer by phone or email when you need to, and see who is scheduled at a glance in the day view. HOW IT WORKS Your coordinator invites you by email or a join link and posts shifts from shiftsteward.com. Everything you need as a volunteer lives in this app. Volunteers never pay anything. Organizations subscribe on the web. Questions: support@shiftsteward.com
Screenshots
Verdict
The clearest difference is price: ShiftSteward at Free against Contacts Sync Pro's $9.99. ShiftSteward also leads on in-app purchases (none vs 4) and update cadence (every 10 days vs every 3 months). Contacts Sync Pro's advantage is chart position (#65 vs unranked). On ads, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
ShiftSteward is free to download; Contacts Sync Pro costs $9.99 up front. Contacts Sync Pro sells 4 one-off in-app purchases. ShiftSteward asks for nothing beyond the download.
Contacts Sync Pro ships an update every 3 months, ShiftSteward every 10 days. The most recent releases landed on October 3, 2026 and September 25, 2026 respectively.
| Parameter | Contacts Sync Pro | ShiftSteward |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | 4.7 (802 ratings) — better | — |
| Positive reviews | 87.5% of reviews | — |
| Number of ratings | 802 — better | — |
| Update frequency | Every 3 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Best chart rank | #65 — better | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 44 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Playa Apps | AutoFame |
Bugs and requests
Contacts Sync Pro
Reported bugs
2 issues- Caused massive increase in number of contacts
- Eliminated all existing contacts
Requested features
2 requests- Improved handling of duplicate contacts
- Better side-by-side comparison of contacts
ShiftSteward
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Contacts Sync Pro
- Unlimited SyncsFree
- Automatic Contact SyncingFree
- Make Contribution$4.99
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- Make Larger Contribution$9.99
ShiftSteward
No in-app purchases
Questions
Is Contacts Sync Pro free?
Is ShiftSteward free?
Do Contacts Sync Pro or ShiftSteward have ads?
Which is updated more often, Contacts Sync Pro or ShiftSteward?
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