tibblify
tibblify learned to derive its own specs from OpenAPI, removing the step users disliked most
Comparison · Analytics
gps2gtfs vs spsurvey
A side-by-side editorial comparison of gps2gtfs and spsurvey — release velocity, themes, recent moves, and the top alternatives to consider.
gps2gtfs vs spsurvey: at a glance
What is gps2gtfs?
gps2gtfs spent a release making its docs stop describing functions it does not have.
gps2gtfs converts raw GPS traces into GTFS transit feeds, with a Rust backend behind the R interface. The only entry on record is 0.3.2, an explicitly documentation-only release: the trip extraction functions stop claiming to read CSV files when their own parameter docs always said data.frame or path, the bundled stop and terminal datasets state their Kandy, Sri Lanka provenance, and titles are normalized to sentence case.
What is spsurvey?
spsurvey has spent four years consolidating after its 5.0.0 rewrite rather than adding to it
spsurvey implements design and analysis for spatially balanced environmental survey samples, the GRTS methodology used in large-scale monitoring programs. The 5.0.0 rewrite is the defining event in its history, and everything in this window is aftercare. 5.6.0 in September 2025 finally removed the startup message warning users about that upgrade, several years on.
gps2gtfs vs spsurvey: editorial side-by-side
gps2gtfs
2.5ANALYTICS
gps2gtfs spent a release making its docs stop describing functions it does not have.
◆ Current state
gps2gtfs converts raw GPS traces into GTFS transit feeds, with a Rust backend behind the R interface. The only entry on record is 0.3.2, an explicitly documentation-only release: the trip extraction functions stop claiming to read CSV files when their own parameter docs always said data.frame or path, the bundled stop and terminal datasets state their Kandy, Sri Lanka provenance, and titles are normalized to sentence case.
◆ Where it's heading
One entry is not a trend, but the release is unusually precise about its own boundaries, stating outright that no behavior, signature, or return value changed and citing 533 passing tests from a clean detached clone with the specific CI job numbers. That level of provenance in a documentation patch suggests a maintainer treating the package as something others audit.
◆ Prediction
There is not enough history here to predict a direction. The Rust backend is the notable structural detail, and whether it expands is the question the next release will answer.
spsurvey
0.0ANALYTICS
spsurvey has spent four years consolidating after its 5.0.0 rewrite rather than adding to it
◆ Current state
spsurvey implements design and analysis for spatially balanced environmental survey samples, the GRTS methodology used in large-scale monitoring programs. The 5.0.0 rewrite is the defining event in its history, and everything in this window is aftercare. 5.6.0 in September 2025 finally removed the startup message warning users about that upgrade, several years on.
◆ Where it's heading
The direction is toward standard R idioms and away from bespoke ones. 5.4.0 introduced sp_frame and sp_design classes so plot() and summary() work directly, keeping sp_plot() and sp_summary() only for backwards compatibility; 5.5.0 moved warnings from cat() to message() so they can be suppressed normally, and added adjwgtNR() for non-response weight adjustment. Documentation is being pushed off CRAN onto the package website, with only the Start Here vignette remaining. Release cadence is slow — five releases across roughly four years.
◆ Prediction
With the migration messaging retired and the class system settled, further releases are likely to stay in maintenance and statistical-detail territory. Nothing in the entries suggests another rewrite.
Alternatives to gps2gtfs and spsurvey
Other Analytics 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 gps2gtfs or spsurvey.
StreamCatTools
StreamCatTools is quietly moving off web services and onto cloud-native GeoParquet
reproducible
reproducible added a windowed read path so remote GeoTiffs never fully download
qcTAF
qcTAF is building an automated checklist for reproducible fisheries assessments, one criterion at a time
rpymat
After three dormant years, rpymat returned to fix the OpenMP crash that breaks R and conda together
ieegio
ieegio's first release lands electrode trajectory burning and a WebGL-free surface plot
See all gps2gtfs alternatives → · See all spsurvey alternatives →
Recent activity from gps2gtfs and spsurvey
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 3d agogps2gtfsDocumentation corrected for trip extraction functions
- 3mo agospsurveyExample and unit test updates
- 10mo agospsurvey5.0.0 migration warning retired; vignettes moved to the website
- 2y agospsurveyFixes for revisit_dsgn() panels and empty geometries in grts()/irs()
- 3y agospsurveyadjwgtNR() for non-response weighting; messages moved to message()
- 3y agospsurveyCitation updated to Dumelle et al. (2023)
- 3y agospsurveysp_frame and sp_design classes make plot() and summary() work directly
Frequently asked questions
What is the difference between gps2gtfs and spsurvey?
They serve adjacent needs but don't currently overlap on shipped themes. gps2gtfs is currently shipping more aggressively (velocity 2.5 vs 0.0), with 0 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 gps2gtfs better than spsurvey?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. gps2gtfs is currently shipping more aggressively (velocity 2.5 vs 0.0), with 0 editorial sparks in the last 30 days against 0. For your specific use case, the alternatives sections above list other Analytics products to evaluate alongside.
What are the best alternatives to gps2gtfs?
Top gps2gtfs alternatives in Analytics are ranked by recent ship velocity. Browse the "gps2gtfs alternatives" section above for the current picks, or visit /alternatives/gps2gtfs for the full list with editorial commentary on each.
What are the best alternatives to spsurvey?
Top spsurvey alternatives in Analytics are ranked by recent ship velocity. Browse the "spsurvey alternatives" section above for the current picks, or visit /alternatives/spsurvey for the full list with editorial commentary on each.