# Fiddler vs Thunder Client

| Attribute | Fiddler | Thunder Client |
|---|---|---|
| **Vioscale score** | 48.8 (60% (medium)) | 68.6 (30% (low)) |
| deployment.options | `{"cloud":true}` | `{"cloud":true}` |
| description.long | A web debugging proxy that captures, inspects, and modifies HTTP/HTTPS traffic to help developers troubleshoot application problems when logs across systems are conflicting or unclear | A lightweight API testing client for VS Code and JetBrains IDEs that stores all data locally on developers' machines and enables team collaboration through Git-based synchronization without requiring context-switching to external tools. |
| features.capabilities | `{"mock_server":true,"rest_client":true,"ci_integration":true}` | `{"rest_client":true,"grpc_support":true,"collaboration":true,"ci_integration":true}` |
| integrations.count | - | 2 |
| integrations.list | - | `[{"name":"Azure"},{"name":"AWS"}]` |
| market.availability | - | `{"hqCountry":"IE","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"mac":true,"linux":true,"windows":true}` | `{"cli":true}` |
| pricing | `{"freeTier":true,"sourceUrl":"https://www.telerik.com/fiddler","retrievedAt":"2026-08-14T08:35:46.544Z"}` | `{"type":"subscription","plans":[{"free":true,"name":"Free","features":["VS Code extension","Local storage"],"commitment":"monthly","components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"contactSales":false},{"free":false,"name":"Starter","summary":"$3/user/month billed annually","features":["VS Code & JetBrains extensions","Team features","CLI & CI/CD","WebSocket, SSE, gRPC","250 Collection Runs per user"],"commitment":"annual","components":[{"kind":"per_unit","unit":"seat","amount":3,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"collection_runs":"250/month"}},{"free":false,"name":"Business","summary":"$7/user/month billed annually","features":["VS Code & JetBrains extensions","Team features","CLI & CI/CD","WebSocket, SSE, gRPC","500 Collection Runs per user"],"commitment":"annual","components":[{"kind":"per_unit","unit":"seat","amount":7,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"collection_runs":"500/month"}},{"free":false,"name":"Enterprise","summary":"$16/user/month billed annually","features":["VS Code & JetBrains extensions","Team features","CLI & CI/CD","WebSocket, SSE, gRPC","Unlimited Collection Runs","Offline Activation","Enterprise SSO","Secrets Manager Integration (Azure & AWS)","License Management API","Audit Logs","Performance Testing"],"commitment":"annual","components":[{"kind":"per_unit","unit":"seat","amount":16,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"collection_runs":"Unlimited"}}],"summary":"From free to $16/user/month. 14-day free trial available.","currency":"USD","freeTier":true,"sourceUrl":"https://www.thunderclient.com/pricing","retrievedAt":"2026-08-14T08:32:19.922Z","freeTrialDays":14,"startingPrice":{"amount":3,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | freemium |
| pricing.price_level | low | low |
| pricing.transparent | no | yes |
| reliability.status_page | yes | - |
| security.disclosure_policy | yes | - |
| security.gdpr | - | yes |
| security.soc2 | yes | - |

## Capabilities (API Development Tools)

| Capability | Fiddler | Thunder Client |
|---|:--:|:--:|
| **Core** |  |  |
| REST client | ✓ | ✓ |
| GraphQL support | - | - |
| gRPC support | - | ✓ |
| **Design** |  |  |
| Mock servers | ✓ | - |
| **Testing** |  |  |
| Automated / contract testing | - | - |
| **Collaboration** |  |  |
| Team collaboration & sharing | - | ✓ |
| **Docs** |  |  |
| Doc generation | - | - |
| **Standards** |  |  |
| OpenAPI / spec import | - | - |
| **Ops** |  |  |
| CI integration / CLI | ✓ | ✓ |

*Source: Vioscale. Generated 2026-09-01T16:38:04.436Z. "-" = undocumented, not absent.*