Is BoldSign or Mimestream better?

Neither clearly leads. BoldSign starts at Free and Mimestream at $4.99/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.

Which is cheaper, BoldSign or Mimestream?

BoldSign has a free tier; the other does not. Paid plans start at Free for BoldSign and $4.99/month for Mimestream.

Does BoldSign or Mimestream run on more platforms?

BoldSign runs on Web. Mimestream runs on Mac.

Can I use BoldSign for free?

Yes. BoldSign has a free tier, so you can try it without paying. Mimestream starts at $4.99/month.

What is BoldSign best used for?

BoldSign is most often used for esignature automation, contract signing. Of those, esignature automation and contract signing are not what Mimestream is typically brought in for.

What can BoldSign do that Mimestream cannot?

Mimestream covers Native Gmail labels, Gmail filters, Fast local search, Conversation threading.

Productivity · head to head

BoldSign vs Mimestream

BoldSign

Productivity

eSignature API and app for developers and teams

From: Free
Rated: -

Full review Website

Mimestream

Productivity

Native Mac email client built specifically for Gmail and Google Workspace accounts, and nothing else

From: $4.99/month
Rated: -

Full review Website

The short version

Only BoldSign has a free tier, so it costs nothing to try first.
Each has a real cost: BoldSign premium plan: additional envelopes cost $0.50 each after 250/month limit; Mimestream it only works with Gmail and Google Workspace, so it is entirely useless for anyone with an iCloud, Outlook, Yahoo or other IMAP account.
Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which BoldSign and Mimestream actually diverge.

Attributes where BoldSign and Mimestream differ
Attribute	BoldSign	Mimestream
Starting price	Free	$4.99/month
Pricing model	subscription	Per user per month
Free tier	Yes	No
Platforms	Web	Mac

Identical on both: user rating (Not yet rated), category (Productivity).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in BoldSign

Nothing recorded that Mimestream does not also cover.

Only in Mimestream

Native Gmail labels
Gmail filters
Fast local search
Conversation threading
Multiple account support
Native macOS integration

What people use each for

The jobs each tool is most often brought in to do.

BoldSign

eSignature automationnot Mimestream
Contract signingnot Mimestream

Mimestream

A Mac user whose email is entirely Gmail or Google Workspace and wants a faster native alternative to the Gmail web appnot BoldSign
Someone who finds Apple Mail handling of Gmail labels and search unreliable or confusingnot BoldSign
A Google Workspace user managing multiple accounts who wants them combined in one native menu bar appnot BoldSign
A user who wants Gmail-specific filters and search operators without opening a browser tabnot BoldSign

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

BoldSign

Premium plan: additional envelopes cost $0.50 each after 250/month limit
Monthly billing costs 60-85% more than yearly billing (no 40% discount)
Enterprise API requires minimum $30/month

Mimestream

It only works with Gmail and Google Workspace, so it is entirely useless for anyone with an iCloud, Outlook, Yahoo or other IMAP account.
It is a subscription with no permanent free tier or lifetime purchase option, so the cost is ongoing for as long as it is used.
It is Mac only, so it does nothing for a Windows machine or for mobile email, which still relies on the standard Gmail app or another client.
Because it depends entirely on Gmail API access, any change Google makes to that API could affect Mimestream functionality outside the developer control.
A user who wants one email client for multiple different providers has to run Mimestream alongside a second app for non-Gmail accounts, rather than consolidating everything in one place.

Pricing, plan by plan

BoldSign

Free

EssentialFree
- 25 envelopes/month
- 2 templates
- No additional users
Growth$5/month yearly
- 50 envelopes/month
- 10 templates
Business$15/month yearly
- Unlimited envelopes
- Unlimited templates
- SSO
Premium$99/month yearly
- 250 envelopes/month
- Unlimited users

Mimestream

$4.99/month

Mimestream$4.99/month
- 49.99 USD per year if billed annually
- Free trial before purchase
- Covers multiple Gmail or Google Workspace accounts

Which should you pick?

Choose BoldSign if

You want to start without paying.

BoldSign review

Choose Mimestream if

You need native gmail labels.
You work on Mac.
You also want gmail filters.

Mimestream review

Questions people ask

Is BoldSign or Mimestream better?: Neither clearly leads. BoldSign starts at Free and Mimestream at $4.99/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, BoldSign or Mimestream?: BoldSign has a free tier; the other does not. Paid plans start at Free for BoldSign and $4.99/month for Mimestream.
Does BoldSign or Mimestream run on more platforms?: BoldSign runs on Web. Mimestream runs on Mac.
Can I use BoldSign for free?: Yes. BoldSign has a free tier, so you can try it without paying. Mimestream starts at $4.99/month.
What is BoldSign best used for?: BoldSign is most often used for esignature automation, contract signing. Of those, esignature automation and contract signing are not what Mimestream is typically brought in for.
What can BoldSign do that Mimestream cannot?: Mimestream covers Native Gmail labels, Gmail filters, Fast local search, Conversation threading.

Answered from the vendors’ own pages

BoldSign: Does BoldSign offer a free plan?

BoldSign's Essential plan is free and includes 25 envelopes per month, 2 templates, and basic features like audit trails and authentication.

Source

Mimestream: Does Mimestream work with Outlook or iCloud Mail?

No. It connects only to Gmail and Google Workspace accounts and cannot be used with any other provider.

BoldSign: How much does the BoldSign Growth plan cost?

The Growth plan costs $5 per month per user with annual billing or $15 per month per user with monthly billing, including 50 envelopes/month per user.

Source

Mimestream: Is Mimestream free?

No. It is a subscription at 4.99 US dollars a month or 49.99 dollars a year, with a free trial but no permanent free tier.

BoldSign: What are the overage fees for BoldSign's Premium plan?

The Premium plan includes 250 envelopes per month for $99-$138/month, with additional envelopes charged at $0.75 per envelope.

Source

Mimestream: Is it available on iPhone or iPad?

No. Mimestream is a Mac-only native app with no iOS version.

BoldSign: How much does BoldSign charge for API access?

BoldSign's Enterprise API costs $0.75 per envelope with a minimum charge of $30/month and includes 40 envelopes and 2 application users.

Source

BoldSign vs Mimestream

BoldSign

Mimestream

The short version

Where they differ

What each one covers

Only in BoldSign

Only in Mimestream

What people use each for

BoldSign

Mimestream

Where each one falls short

BoldSign

Mimestream

Pricing, plan by plan

BoldSign

Mimestream

Which should you pick?

Choose BoldSign if

Choose Mimestream if

Questions people ask

Answered from the vendors’ own pages

Related pages

More on BoldSign

More on Mimestream

Keep looking

Other head to heads