
AdiInviter Pro
SaaSiter Contacts Importer
ShuttleCloud
ContactRescue
FullContact
Cardhop
Ortto
Companies from every industry use CloudSponge’s Contact Picker to get access to their users’ address books.

OfflineIMAP
MailStore
isync (mbsync)
Mail-in-a-box
Cloudiway
ImprovMX
IMAP Upload
Console-based utility for migrating IMAP mailboxes.
Which is more popular?
Based on our record, imapsync seems to be more popular. It has been mentioned 58 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | cloudsponge.com | imapsync.lamiral.info |
| Pricing | ||
| Platforms | — | |
| Company | 2010 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


CloudSponge is a Contact Picker for all major address books. It allows your users to share their address books without ever needing to remember, type, or upload emails manually. CloudSponge has been around since 2009 perfecting a product that will help companies get the most out of their existing...
No description of imapsync yet.
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of CloudSponge yet.
Overall verdict
Why this product is good
Recommended for
Imapsync is recommended for system administrators, IT professionals, and anyone who needs to perform email migrations or backups. It is particularly beneficial for those working in environments that require the transfer of large quantities of emails, maintaining folder structure, and ensuring data integrity between different email services.
Walkthroughs and reviews on video.
What is CloudSponge?
More videos
Migration Google Apps Mail or Gmail to Zimbra Mail with imapsync
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using CloudSponge and imapsync. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking CloudSponge since Mar 2021.
Apple's been a rock-solid email host for me. Imapsync (https://imapsync.lamiral.info/) made the migration very easy. https://blah.cloud/miscellaneous/migrating-google-workspaces-to-icloud-custom-domain/. - Source: Hacker News / about 1 month ago
> I can't imagine how I would migrate to another email address Imapsync is your best friend for this. https://github.com/imapsync/imapsync https://imapsync.lamiral.info/. - Source: Hacker News / 7 months ago
I love imapsync: https://imapsync.lamiral.info This is the way projects used to be, and surprisingly excellent ones still are. The amount of knowledge built into this is incredible: https://imapsync.lamiral.info/S/news.shtml. - Source: Hacker News / 8 months ago
When comparing CloudSponge and imapsync, you can also consider the following products.

The ultimate contacts importer and tell-a-friend system for your website.
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OfflineImap synchronizes email between an IMAP server and a MailDir or between two IMAP servers.
Compare OfflineIMAP to CloudSponge or imapsync:

Allow users to import contacts into their system.
Compare SaaSiter Contacts Importer to CloudSponge or imapsync:

MailStore Home - A 100% free single-private-user desktop solution
Compare MailStore to CloudSponge or imapsync:

ShuttleCloud is an API that allows developers to import address books from hundreds of email providers.
Compare ShuttleCloud to CloudSponge or imapsync:
mbsync is a command line application which synchronizes mailboxes.
Compare isync (mbsync) to CloudSponge or imapsync: