PBX Plus by 500apps vs Calilio Comparison
PBX Plus by 500apps
Starting at $9.99 /Month
- Large Enterprises
- Medium Business
PBX Plus by 500apps is a cutting-edge virtual PBX software designed for businesses looking to streamline their communication processes. This powerful tool offers a built-in text-to-speech converter to enhance productivit…
Calilio
Starting at $12 /user/year
- Large Enterprises
- Small Business
Calilio provides a cloud-based business phone system for modern sales teams, support teams, remote teams, distributed teams, and call centers. The platform helps businesses manage calling, messaging, virtual phone number…
PBX Plus by 500apps leads on user satisfaction with a 4.8-star rating across 6 reviews.
PBX Plus by 500apps vs Calilio — at a glance
| Feature | PBX Plus by 500apps | Calilio |
|---|---|---|
| Rating | 4.8 / 5 | — |
| Reviews | 6 | — |
| Starting price | $9.99 /Month | $12 /user/year |
| Free trial | No | No |
| Free version | No | No |
| Best for | Large Enterprises, Medium Business, Small Business | Large Enterprises, Small Business, Medium Business |
| Category | VoIP Providers | VoIP Providers |
| Integrations | — | 2+ apps |
| Platforms | SaaS/Web/Cloud | Browser Based (Cloud), Mobile - iOS, Mobile - Android |
| API | — | Available |
| Support modes | Online | Online |
| Certifications | — | GDPR |
| Data residency | Global | European Union, United States |
Key differences between PBX Plus by 500apps and Calilio
- Pricing: PBX Plus by 500apps starts at $9.99 /Month, while Calilio starts at $12 /user/year.
- Deployment: PBX Plus by 500apps supports SaaS/Web/Cloud; Calilio supports Browser Based (Cloud), Mobile - iOS, Mobile - Android.
PBX Plus by 500apps vs Calilio — find the better fit before you commit.
Which tool fits your team best
Which is actually cheaper for your team size
Where each product wins, per real buyers
Most VoIP Providers tools look identical on paper. This comparison cuts to the differences that matter — pricing structure, team fit, and what real buyers found after signing up.
Biggest differences
Features
Pricing
Buying details
Security
Buyer feedback
Integrations
Product tour
Other options
Talk to an expert Talk to an expert | Talk to an expert Talk to an expert |
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Biggest differences
Start here before you go deeper into features.
Best for mid-sized teams needing flexible, productivity-boosting virtual PBX.
- You manage a customer service or sales team of 50-1000 employees.
- You want built-in text-to-speech to enhance call handling efficiency.
- You need customizable call flow reporting to generate actionable revenue insights.
- You are a very small business with minimal call volume.
- You require an on-premise PBX solution rather than hosted.
Best for businesses upgrading from landlines to secure, modern VoIP systems.
- You need a flexible, configurable VoIP system for customer support or sales teams.
- Your organization requires enhanced connectivity and security beyond traditional phone lines.
- You operate a small to large enterprise seeking to modernize communication infrastructure.
- Your company relies on simple, traditional landline systems without internet dependency.
- You have very limited or unreliable internet connectivity preventing effective VoIP use.
PBX Plus by 500apps: Best for mid-sized teams needing flexible, productivity-boosting virtual PBX. Calilio: Best for businesses upgrading from landlines to secure, modern VoIP systems.
Description | PBX Plus by 500apps is a cutting-edge virtual PBX software designed for businesses looking to streamline their communication processes. This powerful tool offers a built-in text-to-speech ... Read More about PBX Plus by 500apps | Calilio provides a cloud-based business phone system for modern sales teams, support teams, remote teams, distributed teams, and call centers. The platform helps businesses manage calling, ... Read More about Calilio |
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Entry Level Pricing |
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User RatingsBased on verified Spotsaas reviews | ||
Best Company Size | 51-500 employees501-1000 employees | Small BusinessLarge Enterprises |
Get pricing help | Get pricing help |
Software Demo
Demo |  PBX Plus by 500apps has not given any software demo yet If you're the owner of this profile, add your demo.Contact us |
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How do PBX Plus by 500apps and Calilio Compare on Features?
Total Features | 3 Features | 7 Features |
|---|---|---|
Unique Features | No unique features | No unique features |
Get Quote | Get Quote |
Compare PBX Plus by 500apps and Calilio on pricing
Review starting price, plan structure, and free-trial access side by side so you can see which option fits your budget and buying process.
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Other Details
Organization Types supported |
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Platforms Supported |
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API Support |
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Get help choosing | Get help choosing |
Security & Compliance
Certifications, data handling, and security controls for IT and compliance evaluators.
SOC 2 | — | ✗ No |
|---|---|---|
HIPAA | — | ✗ No |
GDPR | — | ✓ Yes |
ISO 27001 | — | ✗ No |
Data Residency | 🌐 Global | 🌐 European Union🇺🇸 United States |
PBX Plus by 500apps User Reviews & Rating Comparison
User Ratings | No reviews available for the product | |
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Rating Distribution | No reviews available for this product | |
Spotsaas Editor’s POV generated by AI | Buyer sentiment Users generally appreciate the productivity features and communication efficiency but note limited user feedback and pricing clarity. What buyers like
Common complaints
| Buyer sentiment No user reviews or ratings are available to assess buyer sentiment. What buyers like
Common complaints
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Pros and Cons |
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Positive Reviews | No reviews available for the product | No reviews available for the product |
Integrations
Integration with other apps | No Integration information available. |
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List of Customers
Customers |  TNW  Entrepreneur  indeed | No Customers information available. |
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Media and Screenshots
Screenshots |  8 Screenshots |  6 Screenshots |
|---|---|---|
Videos | No videos available. |  2 Videos |
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Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].
Frequently asked questions
- Which is better, PBX Plus by 500apps or Calilio?
- PBX Plus by 500apps edges out the other on user ratings (4.8 vs -1.0). That said, the best pick depends on your use case — use the comparison tables above to evaluate each dimension.
- Do PBX Plus by 500apps and Calilio offer a free trial?
- Neither PBX Plus by 500apps nor Calilio currently lists a free trial.
- What is the starting price of PBX Plus by 500apps vs Calilio?
- PBX Plus by 500apps starts at $9.99 /Month. Calilio starts at $12 /user/year.
- What are the top alternatives to PBX Plus by 500apps?
- Top alternatives to PBX Plus by 500apps include CloudTalk, VoIPstudio, Vonage Business, Vodia PBX, 3CX.
- What are the top alternatives to Calilio?
- Top alternatives to Calilio include Banter, KrispCall, RingByName, iPlum, Vitel Global.