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Comparison · Infra & APIs

crane vs Expo

A side-by-side editorial comparison of crane and Expo — release velocity, themes, recent moves, and the top alternatives to consider.

crane vs Expo: at a glance

FeaturecraneExpo
SectorInfra & APIsInfra & APIs
Velocity score0.06.3
Sparks · 30d01
Top themesclinical-tables, mmrm, survival-analysis, gtsummaryreact-native, eas, mcp-connectors, agent-strategy
Last editorial update1h ago13h ago
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What is crane?

Crane is turning into the table-and-plot layer for Roche's clinical output stack.

Crane publishes release candidates rather than finals, and the whole of 0.3.2 is carried by a single rc2 body — its two sibling tags are one-line styling commits, one of them tagged with an unsubstituted vX.Y.Z placeholder. The rc2 notes run to dozens of additions across regression tables, line plots and hierarchical rate tables.

Read the full crane trajectory →

What is Expo?

Expo shut down its own agent and is wiring itself into the ones developers already use.

Expo wound down the Expo Agent closed beta in July, two months after making its MCP server free on every plan, and has now shipped a way to connect Expo from the Claude desktop app. Everything else in the window is core platform work: SDK 56 and 57, EAS Observe scheduled for general availability on August 20, a Maestro test insights dashboard, and automated iOS device registration in EAS Workflows.

Read the full Expo trajectory →

crane vs Expo: editorial side-by-side

C
crane
INFRA · APIS
0.0

Crane is turning into the table-and-plot layer for Roche's clinical output stack.

◆ Current state

Crane publishes release candidates rather than finals, and the whole of 0.3.2 is carried by a single rc2 body — its two sibling tags are one-line styling commits, one of them tagged with an unsubstituted vX.Y.Z placeholder. The rc2 notes run to dozens of additions across regression tables, line plots and hierarchical rate tables.

◆ Where it's heading

The package is moving from plotting helpers to a full analysis-output layer: mixed models for repeated measures, pairwise Cox results, risk-management-plan tables and adverse-event incidence rates all arrive in one cycle, and the annotation machinery underneath was rebuilt for reliable table-to-axis alignment. Defaults are being pulled toward SAS and rtables output — the log-rank test now uses survival::survdiff instead of coin, and survfit confidence intervals default to plain rather than log.

◆ Prediction

Expect a 0.3.2 final close behind rc2, and the deprecated g_lineplot() family to be removed once gg_lineplot() and annotate_gg() have settled.

E
Expo
INFRA · APIS
6.3

Expo shut down its own agent and is wiring itself into the ones developers already use.

◆ Current state

Expo wound down the Expo Agent closed beta in July, two months after making its MCP server free on every plan, and has now shipped a way to connect Expo from the Claude desktop app. Everything else in the window is core platform work: SDK 56 and 57, EAS Observe scheduled for general availability on August 20, a Maestro test insights dashboard, and automated iOS device registration in EAS Workflows.

◆ Where it's heading

The pattern is conceding the assistant layer and defending the build, test, and deploy pipeline underneath it. Instead of competing for the agent surface, Expo is making project data reachable from whichever assistant a developer already runs — the free MCP server first, now a Claude desktop connection. EAS meanwhile keeps absorbing more of the release pipeline: observability heading to GA, end-to-end test insights, device provisioning automated.

◆ Prediction

More connector and MCP surface for other assistant hosts is the likely next step, alongside EAS work around what is already in flight — particularly Observe once it reaches GA on August 20. The entries give no indication of whether the SDK release cadence changes as a result.

Alternatives to crane and Expo

Other Infra & APIs products tracked by Sparkpulse, ranked by recent ship velocity. Each card links to a full editorial trajectory and lets you pivot into a head-to-head comparison with either crane or Expo.

See all crane alternatives → · See all Expo alternatives →

Recent activity from crane and Expo

Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.

  1. 1d agoExpoConnect Expo in the Claude desktop app
  2. 24d agoExpoExpo Agent: ending the closed beta and winding the project down
  3. 25d agoExpoEAS Observe moves to general availability on August 20
  4. 1mo agoExpoExpo SDK 57
  5. 1mo agoExpoMaestro testing: insights, clearer results, and faster retries
  6. 1mo agoExpoAutomate iOS device registration for internal builds in EAS Workflows
  7. 2mo agocraneMMRM, Cox and incidence-rate tables land in one release
  8. 2mo agocraneExample styling and runtime cleanup
  9. 2mo agocranePlaceholder release tag from the same styling commit

Frequently asked questions

What is the difference between crane and Expo?

They serve adjacent needs but don't currently overlap on shipped themes. Expo is currently shipping more aggressively (velocity 6.3 vs 0.0), with 1 editorial sparks in the last 30 days against 0. See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.

Is crane better than Expo?

Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Expo is currently shipping more aggressively (velocity 6.3 vs 0.0), with 1 editorial sparks in the last 30 days against 0. For your specific use case, the alternatives sections above list other Infra & APIs products to evaluate alongside.

What are the best alternatives to crane?

Top crane alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "crane alternatives" section above for the current picks, or visit /alternatives/crane for the full list with editorial commentary on each.

What are the best alternatives to Expo?

Top Expo alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "Expo alternatives" section above for the current picks, or visit /alternatives/expo for the full list with editorial commentary on each.