Contacts Sync Pro vs Iodine Code
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
Iodine Code
A mobile code editor and Git tool that allows you to code, stage, commit, and push directly from your iPhone or iPad. It features syntax highlighting, code suggestions, and a diff viewer for a seamless coding experience.
- Powerful Git tool
- Multi-tab code editor
- Diff viewer
- Project file manager
- Syntax highlighting
- Code suggestion
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Iodine Code is a powerful git tool and beautiful code editor. With syntax highlighting and code suggestion, it offers you a fluent experience similar to coding on PC. Coding, staging, committing, pushing and viewing logs, every thing will be done just in your iPhone / iPad. • Powerful git tool (clone, pull, push, branch, tag, log, status, commit...) • Beatiful multi-tab code editor • Splendid diff viewer • Handy project file manager with Quick-Opener and Drag & Drop • iPad Pro smart keyboard shortcuts • Great syntax highlighting (Objective-C only so far) • Context awareness code suggestion (Objective-C only so far)
Screenshots
Verdict
The clearest difference is review sentiment: Contacts Sync Pro at 88% against Iodine Code's 33%. Contacts Sync Pro also leads on rating (4.7 vs 1.0) and ratings volume (811 vs 3). Iodine Code's advantage is in-app purchases (none vs 4) and price ($4.99 vs $9.99). On update cadence, ads and device support 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
Contacts Sync Pro costs $9.99 and Iodine Code $4.99 up front. Contacts Sync Pro sells 4 one-off in-app purchases. Iodine Code asks for nothing beyond the download.
Contacts Sync Pro holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Contacts Sync Pro has 811 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 88% of Contacts Sync Pro's written reviews are positive against 33% of Iodine Code's.
Contacts Sync Pro ships an update every 3 months, Iodine Code every 4 months. The most recent releases landed on October 17, 2026 and October 2, 2026 respectively.
| Parameter | Contacts Sync Pro | Iodine Code |
|---|---|---|
| Price | $9.99 | $4.99 — better |
| Rating | 4.7 (811 ratings) — better | 1.0 (3 ratings) |
| Positive reviews | 87.6% of reviews — better | 33.3% of reviews |
| Number of ratings | 811 — better | 3 |
| Update frequency | Every 3 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Best chart rank | #160 — better | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 42 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Playa Apps | 典 熊 |
Customer experience
Contacts Sync Pro
Iodine Code
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
Iodine Code
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
Iodine Code
No in-app purchases
Questions
Is Contacts Sync Pro free?
Is Iodine Code free?
Which has better reviews, Contacts Sync Pro or Iodine Code?
Do Contacts Sync Pro or Iodine Code have ads?
Which is updated more often, Contacts Sync Pro or Iodine Code?
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