Best Sonar Alternatives in 2026
The top Sonar alternatives are Cerillion Revenue Manager, Symphony Billing and Tecnotree Revenue Monetisation: 15 telecom billing software our editors would look at instead of Sonar, in our ranking order.
Sonar: Sonar brings ISP billing, network operations, payments, and service workflows together. Where it falls short: no free plan is available.
Switching from Sonar? For most telecom billing software buyers the best Sonar alternative is Cerillion Revenue Manager, built for large telecoms needing convergent revenue management. ASTPP has a free plan, which Sonar does not.
Why People Look for a Sonar Alternative
- No free plan is available
- Per-subscriber tiers use annual billing
- Premium features and integrations may add to the final quote
- No free plan — 2 of the alternatives below have it
Quick Picks by What You Need
- Best overallCerillion Revenue Manager9.4
Large telecoms needing convergent revenue management
Visit Cerillion Revenue Manager - Best free optionASTPP8.3
Has a free plan (Sonar has none)
Visit ASTPP
All 15 Sonar Alternatives, Ranked
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
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Best forLarge telecoms needing convergent revenue management
- Better than Sonar:
- Editor score 9.4 vs 7.8
A broad billing system for telecoms managing complex prepaid, postpaid and multi-play revenue.
- Prepaid billing
- Postpaid billing
- Usage rating
9.4/10★★★★★Visit Cerillion -
Best forOperators needing broad billing and partner workflows
- Better than Sonar:
- Editor score 9.3 vs 7.8
Broad telecom billing, mediation, provisioning, partner settlements, and fraud controls.
- Prepaid billing
- Postpaid billing
- Usage rating
9.3/10★★★★★Visit IntegraTouch -
Best forOperators monetizing convergent and wholesale services
- Better than Sonar:
- Editor score 9.1 vs 7.8
A broad revenue monetisation suite for convergent, digital and wholesale telecom services.
- Prepaid billing
- Postpaid billing
- Usage rating
9.1/10★★★★★Visit Tecnotree -
Best forOperators wanting BSS and low-code process control
- Better than Sonar:
- Editor score 9.0 vs 7.8
A broad telecom BSS suite for operators that need billing and low-code process control.
- Prepaid billing
- Postpaid billing
- Usage rating
9.0/10★★★★☆Visit Qvantel -
Best forGlobal operators prioritizing mature billing
- Better than Sonar:
- Editor score 8.9 vs 7.8
A mature billing system for global operators managing prepaid, postpaid, and partner services.
- Prepaid billing
- Postpaid billing
- Usage rating
8.9/10★★★★☆Visit Ericsson -
Best forTelecom and MSP operators needing detailed billing
- Better than Sonar:
- Editor score 8.7 vs 7.8
A broad telecom billing platform for complex usage, tax, payment, and customer-account workflows.
- Prepaid billing
- Postpaid billing
- Usage rating
8.7/10★★★★☆Visit Rev.io -
Best forComplex subscription and usage-based businesses
- Better than Sonar:
- Editor score 8.6 vs 7.8
A broad billing platform for complex subscription, usage, prepaid, and hybrid models.
8.6/10★★★★☆Visit Tridens -
Best forISPs and telecoms needing network-aware billing
- Better than Sonar:
- Editor score 8.5 vs 7.8
A broad network-aware billing platform for ISPs, wireless operators and MVNOs.
- Prepaid billing
- Postpaid billing
- Usage rating
8.5/10★★★★☆Visit Aradial -
Best forOperators wanting flexible open-source billing
- Better than Sonar:
- Editor score 8.4 vs 7.8
Flexible prepaid and postpaid billing for operators that need open-source deployment options.
- Prepaid billing
- Postpaid billing
- Usage rating
8.4/10★★★★☆Visit BillRun -
Best forBudget-conscious VoIP and telecom providers
- Better than Sonar:
- Free plan
- Editor score 8.3 vs 7.8
A broad, free-core billing platform for VoIP providers willing to manage feature limits.
- Prepaid billing
- Postpaid billing
- Usage rating
8.3/10★★★★☆Visit ASTPP -
Best forCommunications providers needing core rating and invoices
- Better than Sonar:
- Editor score 8.2 vs 7.8
A broad billing core for prepaid, postpaid, subscription, and telecom account management.
- Prepaid billing
- Postpaid billing
- Usage rating
8.2/10★★★★☆Visit PortaBilling -
Best forVoice and communications providers needing rating depth
- Better than Sonar:
- Editor score 8.1 vs 7.8
A broad telecom billing platform for providers that need detailed rating and routing.
- Prepaid billing
- Postpaid billing
- Usage rating
8.1/10★★★★☆Visit JeraSoft -
Best forISPs wanting subscriber billing and provisioning
- Better than Sonar:
- Editor score 8.0 vs 7.8
A broad ISP billing and provisioning platform with subscriber-focused automation.
- Prepaid billing
- Postpaid billing
- Usage rating
8.0/10★★★★☆Visit Visp.net -
Best forSmall ISPs seeking affordable full-stack billing
- Better than Sonar:
- Free plan
- Editor score 7.9 vs 7.8
A broad billing and network operations platform for small and growing ISPs.
- Prepaid billing
- Postpaid billing
- Usage rating
7.9/10★★★★☆Visit ISPbills -
Best forISPs needing billing, voice and accounting links
A broad ISP billing platform linking usage, payments, customer service and accounting.
- Prepaid billing
- Postpaid billing
- Usage rating
7.7/10★★★★☆Visit Splynx
Sonar Alternatives: Common Questions
What is the best alternative to Sonar?
Cerillion Revenue Manager: #1 in our Telecom Billing Software ranking, with an editor score of 9.4 out of 10. A broad billing system for telecoms managing complex prepaid, postpaid and multi-play revenue.
Is there a free alternative to Sonar?
Yes. ASTPP and ISPbills have a free plan or a free tier.
Why do people look for Sonar alternatives?
No free plan is available; Per-subscriber tiers use annual billing; Premium features and integrations may add to the final quote.
How do I switch from Sonar?
Export your data from Sonar (most tools have an export in their settings). Sign up for the alternative; start on its free plan or trial if it has one. Import your export and set up the integrations your team relies on. Run both side by side for a short while, then cancel Sonar.
How to Switch from Sonar
- Export your data from Sonar (most tools have an export in their settings).
- Sign up for the alternative; start on its free plan or trial if it has one.
- Import your export and set up the integrations your team relies on.
- Run both side by side for a short while, then cancel Sonar.
Sonar vs Each Alternative
| # | Tool | Free plan | Paid from | Usage rating | Prepaid billing | Postpaid billing | Plan management | Score |
|---|---|---|---|---|---|---|---|---|
| 15 | Sonar | No | $500/mo | Yes | Yes | 7.8 | ||
| 1 | Cerillion Revenue Manager | Yes | Yes | Yes | Yes | 9.4 | ||
| 2 | Symphony Billing | Yes | Yes | Yes | Yes | 9.3 | ||
| 3 | Tecnotree Revenue Monetisation | Yes | Yes | Yes | Yes | 9.1 | ||
| 4 | Qvantel Flex BSS | Yes | Yes | Yes | Yes | 9.0 | ||
| 5 | Ericsson Billing | Yes | Yes | Yes | Yes | 8.9 | ||
| 6 | Rev.io Telecom Billing | Yes | Yes | Yes | Yes | 8.7 | ||
| 7 | Tridens Monetization | 8.6 | ||||||
| 8 | Aradial | No | Yes | Yes | Yes | Yes | 8.5 | |
| 9 | BillRun | No | Yes | Yes | Yes | Yes | 8.4 | |
| 10 | ASTPP | Yes | Yes | Yes | Yes | Yes | 8.3 | |
| 11 | PortaBilling | No | Yes | Yes | Yes | Yes | 8.2 | |
| 12 | JeraSoft VCS | Yes | Yes | Yes | Yes | 8.1 | ||
| 13 | VISP | No | Yes | Yes | Yes | Yes | 8.0 | |
| 14 | ISPbills | Yes | 2,000 BDT/mo | Yes | Yes | Yes | Yes | 7.9 |
| 15 | Splynx | No | Yes | Yes | Yes | Yes | 7.7 |
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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