Best Flex Email-to-Fax Alternatives in 2026

Updated October 2026

20 apps from online fax services ranked against Flex Email-to-Fax on the same published basis.

1
Dropbox Fax (formerly HelloFax) Free plan Web Free8.9
Flex Email-to-Fax vs Dropbox Fax (formerly HelloFax)
2
FAX.PLUS Free plan AndroidiOSWeb $6.99/mo8.7
Flex Email-to-Fax vs FAX.PLUS
3
ETHERFAX apiLinuxMacself-hostedWeb 8.6
Flex Email-to-Fax vs ETHERFAX
4
FaxTerra Free plan AndroidiOSWeb $1.99/mo8.6
Flex Email-to-Fax vs FaxTerra
5
OVHcloud Fax WebWinMacLinux €0.99/mo8.5
Flex Email-to-Fax vs OVHcloud Fax
6
TELUS Cloud Fax AndroidiOSMacWebWin $14.95/mo8.5
Flex Email-to-Fax vs TELUS Cloud Fax
7
WestFax WebWiniOSAndroidMac $14.99/mo8.4
Flex Email-to-Fax vs WestFax
8
iFax WebWinMaciOSAndroid $12.49/mo8.3
Flex Email-to-Fax vs iFax
9
eGoldFax AndroidiOSWebWin 8.3
Flex Email-to-Fax vs eGoldFax
10
Browserfax Free plan Web $4/mo8.3
Flex Email-to-Fax vs Browserfax
11
eFax WebWinMaciOSAndroid 8.2
Flex Email-to-Fax vs eFax
12
FAXAGE AndroidapiiOSWebWin $3.49/mo8.2
Flex Email-to-Fax vs FAXAGE
13
DialPhone Online Fax Free trial AndroidiOSMacWebWin $9.99/mo8.2
Flex Email-to-Fax vs DialPhone Online Fax
14
Abbax Cloud Fax AndroidapiiOSLinuxMac $24.99/mo8.2
Flex Email-to-Fax vs Abbax Cloud Fax
15
FaxBurner Free plan AndroidiOSLinuxMacWin $14.95/mo8.2
Flex Email-to-Fax vs FaxBurner
16
FaxSalad Free plan AndroidiOSWeb $0.03/mo8.1
Flex Email-to-Fax vs FaxSalad
17
OpenText Core Fax Management API api 8.0
Flex Email-to-Fax vs OpenText Core Fax Management API
18
NTT Cloud Fax Web 8.0
Flex Email-to-Fax vs NTT Cloud Fax
19
OTG Networks vFax WebWinMaciOSAndroid $15/mo8.0
Flex Email-to-Fax vs OTG Networks vFax
20
FaxCore apiself-hostedWebWin 7.9
Flex Email-to-Fax vs FaxCore

Flex Email-to-Fax alternatives compared

#	App	Score	Free plan	From	Runs on
1	Dropbox Fax (formerly HelloFax)	8.9	Free plan	Free	Web
2	FAX.PLUS	8.7	Free plan	$6.99/mo	Android, iOS, Web
3	ETHERFAX	8.6			API, Linux, Mac, self-hosted, Web, Windows
4	FaxTerra	8.6	Free plan	$1.99/mo	Android, iOS, Web
5	OVHcloud Fax	8.5	No	€0.99/mo	Web, Windows, Mac, Linux
6	TELUS Cloud Fax	8.5	No	$14.95/mo	Android, iOS, Mac, Web, Windows
7	WestFax	8.4	No	$14.99/mo	Web, Windows, iOS, Android, Mac
8	iFax	8.3	No	$12.49/mo	Web, Windows, Mac, iOS, Android
9	eGoldFax	8.3			Android, iOS, Web, Windows
10	Browserfax	8.3	Free plan	$4/mo	Web
11	eFax	8.2			Web, Windows, Mac, iOS, Android
12	FAXAGE	8.2	No	$3.49/mo	Android, API, iOS, Web, Windows
13	DialPhone Online Fax	8.2	No	$9.99/mo	Android, iOS, Mac, Web, Windows
14	Abbax Cloud Fax	8.2	No	$24.99/mo	Android, API, iOS, Linux, Mac, Web, Windows
15	FaxBurner	8.2	Free plan	$14.95/mo	Android, iOS, Linux, Mac, Windows
16	FaxSalad	8.1	Free plan	$0.03/mo	Android, iOS, Web
17	OpenText Core Fax Management API	8.0			API
18	NTT Cloud Fax	8.0			Web
19	OTG Networks vFax	8.0	No	$15/mo	Web, Windows, Mac, iOS, Android
20	FaxCore	7.9			API, self-hosted, Web, Windows

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Questions about Flex Email-to-Fax alternatives

What is the best alternative to Flex Email-to-Fax?

Dropbox Fax (formerly HelloFax), number 1 in online fax services with a score of 8.9 out of 10. The others here: FAX.PLUS, ETHERFAX, FaxTerra and 16 more.

What is the best free alternative to Flex Email-to-Fax?

Dropbox Fax (formerly HelloFax) is the best-ranked alternative with a free plan. 6 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked on what each maker publishes: documentation depth, a free tier and the platforms it runs on.