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Backup · head to head

CloudAlly vs Datto SIRIS

CloudAlly logo

CloudAlly

Backup

Enterprise SaaS backup made simple

From
Free
Rated
-
Full reviewWebsite
Datto SIRIS logo

Datto SIRIS

Backup

All-in-one business continuity and disaster recovery

From
$1095/one-time + recurring
Rated
-
Full reviewWebsite

The short version

  • Only CloudAlly has a free tier, so it costs nothing to try first.
  • Each has a real cost: CloudAlly pricing not transparently displayed; requires customer inquiry; Datto SIRIS requires on-premises appliance, not purely cloud-native
  • They diverge on capability: CloudAlly covers Automated daily backup, Datto SIRIS covers Instant virtualization.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which CloudAlly and Datto SIRIS actually diverge.

Attributes where CloudAlly and Datto SIRIS differ
AttributeCloudAllyDatto SIRIS
Starting priceFree$1095/one-time + recurring
Pricing modelsubscriptionUnknown
Free tierYesNo
PlatformsWeb, CloudLinux, Virtual Environments

Identical on both: user rating (Not yet rated), category (Backup), founded (2011).

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 CloudAlly

  • Automated daily backup
  • Point-in-time recovery
  • Cross-account restore
  • Archive export
  • Activity logs
  • Multi-admin support
  • Google Workspace
  • Salesforce

Only in Datto SIRIS

  • Instant virtualization
  • Screenshot verification
  • Ransomware detection
  • Inverse chain technology
  • Cloud-first architecture
  • Automated DR testing
  • VMware
  • Hyper-V

Both cover

  • Microsoft 365
  • Web support

What people use each for

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

CloudAlly

  • Data protection
  • Disaster recovery
  • Business continuity
  • Ransomware protection
  • Compliance

Datto SIRIS

  • Data protection
  • Disaster recovery
  • Business continuity
  • Ransomware protection
  • Compliance

Both are used for data protection, disaster recovery, business continuity, ransomware protection, compliance, on those jobs the choice comes down to price and fit rather than capability.

Where each one falls short

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

CloudAlly

  • Pricing not transparently displayed; requires customer inquiry
  • Limited visibility into data center locations for compliance-sensitive organizations
  • Transition to OpenText Cybersecurity branding may cause confusion

Datto SIRIS

  • Requires on-premises appliance, not purely cloud-native
  • Initial setup and hardware costs can be substantial for smaller MSPs

Pricing, plan by plan

CloudAlly

Free
  • CloudAlly Backup$3/month
    • Daily backup
    • Point-in-time restore
    • Unlimited storage

Datto SIRIS

$1095/one-time + recurring

No published plan breakdown. See the Datto SIRIS review.

Which should you pick?

Choose CloudAlly if

  • You need automated daily backup.
  • You want to start without paying.
  • You work on Web, Cloud.
  • You also want point-in-time recovery.
CloudAlly review

Choose Datto SIRIS if

  • You need instant virtualization.
  • You work on Linux, Virtual Environments.
  • You also want screenshot verification.
Datto SIRIS review

Questions people ask

Is CloudAlly or Datto SIRIS better?
Neither clearly leads. CloudAlly starts at Free and Datto SIRIS at $1095/one-time + recurring, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, CloudAlly or Datto SIRIS?
CloudAlly has a free tier; the other does not. Paid plans start at Free for CloudAlly and $1095/one-time + recurring for Datto SIRIS.
Does CloudAlly or Datto SIRIS run on more platforms?
CloudAlly runs on Web, Cloud. Datto SIRIS runs on Linux, Virtual Environments.
Can I use CloudAlly for free?
Yes. CloudAlly has a free tier, so you can try it without paying. Datto SIRIS starts at $1095/one-time + recurring.
What is CloudAlly best used for?
CloudAlly is most often used for data protection, disaster recovery, business continuity, ransomware protection.
What can CloudAlly do that Datto SIRIS cannot?
CloudAlly covers Automated daily backup, Point-in-time recovery, Cross-account restore, Archive export. Datto SIRIS covers Instant virtualization, Screenshot verification, Ransomware detection, Inverse chain technology. Both handle Microsoft 365, Web support.

Answered from the vendors’ own pages

CloudAlly: What cloud applications can CloudAlly backup?

CloudAlly backs up Microsoft 365, Google Workspace, SharePoint/OneDrive, Salesforce, Box, and Dropbox with daily automated backups and unlimited retention.

Source
Datto SIRIS: What does SIRIS protect against?

Datto SIRIS includes immutable cloud backups, automated recovery verification, and integrated ransomware detection through Cloud Deletion Defense which undoes accidental or malicious backup deletion.

Source
CloudAlly: How is CloudAlly data encrypted and stored?

CloudAlly stores backups on AWS servers with 128-bit SSL encryption and AES 256-bit encryption, maintaining compliance certifications including ISO 27001, HIPAA, and GDPR.

Source
Datto SIRIS: What's the pricing model?

Datto SIRIS uses flat-rate pricing starting at $1,095, which includes installation, storage, VIP support, recoveries, two annual DR tests, and five-year warranty.

Source
CloudAlly: What recovery options does CloudAlly provide?

CloudAlly offers granular point-in-time recovery with unlimited retention, allowing three-click recovery of deleted files, and point-in-time restore capabilities for ransomware protection.

Source
Datto SIRIS: What integrations does SIRIS have?

Datto SIRIS integrates natively with Autotask PSA, Datto RMM, ConnectWise Automate, and ConnectWise PSA. It also supports virtualization platforms like vSphere and CentOS Linux.

Source
Datto SIRIS: Is SIRIS cloud-only or appliance-based?

Datto SIRIS is an on-premises appliance that backs up data to Datto's cloud. You do not need to maintain your own physical server infrastructure for the core SIRIS functionality.

Source
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