Head-to-head · Phone Number Validation Software
APIFreaks Phone Validation API vs FoneSwift Bulk Phone Validator
APIFreaks Phone Validation API leads on 1 check, FoneSwift Bulk Phone Validator on 0, and 4 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreAPIFreaks Phone Validation API · 8.6/10
- Free planboth
- Free trialonly FoneSwift Bulk Phone Validator
- Most featuresAPIFreaks Phone Validation API · 4 of 4
APIFreaks Phone Validation API scores higher on our rubric for phone number validation software: 8.6 against 8.5 out of 10; our editors rank them #7 and #8.
On validation modes, FoneSwift Bulk Phone Validator gives you Batch where APIFreaks Phone Validation API offers Api. APIFreaks Phone Validation API offers reachability data; FoneSwift Bulk Phone Validator doesn't.
APIFreaks Phone Validation API is the better fit for large-scale API and bulk validation. FoneSwift Bulk Phone Validator is the better fit for spreadsheet-based bulk validation.
- APIFreaks Phone Validation API fits best
Large-scale API and bulk validation
- FoneSwift Bulk Phone Validator fits best
Spreadsheet-based bulk validation
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Side by side
| Feature | APIFreaks Phone Validation API 8.6/10 Visit ↗ | FoneSwift Bulk Phone Validator 8.5/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 8.6 | 8.5 |
| Ranking | #7 in Phone Number Validation Software | #8 in Phone Number Validation Software |
| Best for | Large-scale API and bulk validation | Spreadsheet-based bulk validation |
| Pricing model | Free plan + paid | Free plan + paid |
| Starting price | $20/mo | $144/user/yr |
| Free plan | ✓ | ✓ |
| Free trial | — | 14 days |
| Deployment | Cloud | Cloud, Desktop, Mobile |
| Platforms | Web | Web |
| Support | Email, Phone, Docs · 24/7 | Email, Live chat, Phone · 24/7 |
| Built for | Small business, Mid-market, Enterprise | Solo, Small business, Mid-market, Enterprise |
| Features APIFreaks Phone Validation API 4/4 · FoneSwift Bulk Phone Validator 3/4 | ||
| Line type data | ✓ | ✓ |
| Carrier data | ✓ | ✓ |
| Reachability data | ✓ (best) | — |
| Bulk validation | ✓ | ✓ |
| Specs | ||
| Validation modes | Api | Batch |
| Monthly lookup limit | 300000 lookups/mo | Not checked yet |
| Our review | ||
| Pros |
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| Cons |
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| Our verdict | APIFreaks Phone Validation API is a REST service for developers and teams that need to verify phone numbers, enrich records, or normalize contact data. It checks possible and valid status against international numbering plans, then can… Read the review → |
FoneSwift Bulk Phone Validator is a web-based tool for teams that need to clean and validate phone-number lists in bulk. It accepts CSV and XLSX files, automatically detects phone-number columns, handles mixed formats, identifies… Read the review → |
Strengths and trade-offs
APIFreaks Phone Validation API — where it wins
- Supports phone numbers from 200+ countries
- Provides bulk validation and four normalized output formats
- Returns carrier, line-type, location, and time-zone data
Where it doesn't
- The $20 Lite plan does not state an included API-credit quota
- Successful phone-validation requests consume 2 API credits each
- Enterprise pricing and support terms are custom
FoneSwift Bulk Phone Validator — where it wins
- CSV and XLSX uploads with automatic phone-column detection
- Validates numbers across 200+ countries with carrier and line-type data
- Exports cleaned results with metadata to CSV or Excel
Where it doesn't
- No verified reachability data in the validator
- No dedicated validator pricing is shown
- Integrations are tied to broader paid platform tiers
- APIFreaks Phone Validation API8.6/10 · Free plan
A broad REST API for validating, classifying, and normalizing phone numbers at scale.
Visit APIFreaksFull verdict → - FoneSwift Bulk Phone Validator8.5/10 · Free plan · 14-day trial
A practical choice for spreadsheet-based bulk phone validation.
Visit FoneSwiftFull verdict →
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All phone number validation software comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update