Side-by-side comparison · 24 data points
Natterbox is a Salesforce-native, AI-powered contact center platform. Deliver seamless conversations across voice, SMS, and WhatsApp with AI Assistants and AI Agents that automate tasks, manage digital interactions, and free your teams to focus on CX.
| Natterbox | Telephony, CTI, Call Center, Speech Analytics, Service Cloud Voice | CheckMyNumber | |
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| Screenshots | — | — |
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Phone validation and formatting app for Sales, Service, and Marketing teams. CheckMyNumber ensures every phone number is verified, formatted, and ready for use across Salesforce. Automate active/inactive, landline/mobile checks in bulk!
| Metric | Natterbox | Telephony, CTI, Call Center, Speech Analytics, Service Cloud Voice | CheckMyNumber |
|---|---|---|
| Rating | 4.8 ★ | ★ 4.9 ★ |
| Total reviews | ★ 211 | 21 |
| Free plan | — | — |
| Pricing | paid | paid |
| Pricing tiers | ★ 2 tiers | 1 tier |
| Listed features | 6 | ★ 9 |
| Languages | 13 supported | 1 supported |
| Listed since | May 2017 | Jul 2020 |
Natterbox | Telephony, CTI, Call Center, Speech Analytics, Service Cloud Voice and CheckMyNumber are evenly matched on rating (4.8★ vs 4.9★) — the differentiator comes down to pricing fit, feature breadth, and which app's interaction pattern suits your team's workflow.
Pricing entry tiers: Natterbox | Telephony, CTI, Call Center, Speech Analytics, Service Cloud Voice at paid, CheckMyNumber at paid. Check each app's tier structure for the capacity limits you actually need before deciding — the headline number is the same shape, but the gating shape per tier (seats, usage volume, integrations) varies.
Natterbox | Telephony, CTI, Call Center, Speech Analytics, Service Cloud Voice has the larger user base (211 reviews vs 21), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. CheckMyNumber's smaller cohort can be an advantage for niche workflows where the bigger app has accumulated bloat.
Recommended evaluation path: install both apps' free tiers (where available) and run them in parallel on a small cohort for 7-14 days before committing. The data tables below show the per-feature breakdown — for most admins the deciding factor will be a single integration or workflow detail that's hard to compare from listing pages alone.
This verdict is generated from the live marketplace data on this page — rating, review count, pricing tier, and category position all refresh from the canonical Salesforce AppExchange listing every 24 hours. AppRanks does not accept payment to influence comparison outcomes; the methodology is documented on the About page and applies identically to every pair on the site.
Read each app's audit: Natterbox | Telephony, CTI, Call Center, Speech Analytics, Service Cloud Voice audit • CheckMyNumber audit
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| Keyword | Natterbox | Telephony, CTI, Call Center, Speech Analytics, Service Cloud Voice | CheckMyNumber |
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| enterprise scale | #1 | Not ranked |
| phone number | Not ranked | #1 |
| your phone | Not ranked | #1 |
| phone | Not ranked | #1 |
| cloud voice | #2 | Not ranked |
No tracked changes.
Both Natterbox | Telephony, CTI, Call Center, Speech Analytics, Service Cloud Voice and CheckMyNumber offer paid plans only. Natterbox | Telephony, CTI, Call Center, Speech Analytics, Service Cloud Voice starts at paid; CheckMyNumber starts at paid. Compare the per-tier features in the Pricing section above before committing.
Natterbox | Telephony, CTI, Call Center, Speech Analytics, Service Cloud Voice (4.8★, 211 reviews) and CheckMyNumber (4.9★, 21 reviews) are essentially tied on rating. Look at review velocity and individual reviewer quotes — both visible on each app's detail page — to differentiate.
CheckMyNumber holds the higher average rating (4.9★ vs 4.8★). That is the one dimension AppRanks can separate them on here — read both apps' detail pages for the feature breakdown and recent listing changes.
Both apps are one-click installs from the Salesforce AppExchange. Natterbox | Telephony, CTI, Call Center, Speech Analytics, Service Cloud Voice has the deeper published review base (211 vs 21), which often — though not always — accompanies better-tested setup docs. AppRanks doesn't measure setup time directly: read the recent reviews on each app's detail page for user-reported install experience.
Natterbox | Telephony, CTI, Call Center, Speech Analytics, Service Cloud Voice typically suits early-stage and growth-mode teams based on its published review base (211 reviews). CheckMyNumber typically suits early-stage and growth-mode teams based on its published review base (21 reviews). A larger review base generally means the app has been exercised at scale — relevant if you are processing high volume or handling enterprise compliance requirements.
Migration support varies by app and category. Natterbox | Telephony, CTI, Call Center, Speech Analytics, Service Cloud Voice and CheckMyNumber both publish their export options on their marketplace listing pages (or in their support docs); some apps offer one-click import from competitors, others require CSV. The fastest check: search "import from CheckMyNumber" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.