Comparison

splotRF vs GEYER Y

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

splotRF

Visualize and analyze touchstone S-parameter data with interactive plots. Supports multiple file overlays, stability calculations, and various matrix conversions. Export data in vector graphics formats.

Highlights
  • Plot .snp format S-parameter data
  • Stability circles and µ/µ' analysis
  • Overlay multiple trace data
  • View data as a table
  • S/Y/Z matrix conversion
  • Smith Chart, Polar, and Rectangular plots
  • Export to PDF
Read full description

Key Features: • plots .snp format s-parameter touchstone data • stability circles for load and source • µ and µ' for load and source stability • interactive data markers • overlay multiple trace data on a single plot • overlay trace data from multiple files • view data as a table list • arbitrary number of ports (.s1p, .s2p, s3p…snp support) • S/Y/Z matrix conversion • mA/RI/dB formatting • interpolation over frequency • exports vector graphics to .pdf • plotting display properties and configuration are saved within file comments • automated grid layout • Smith Chart, Polar and Rectangular plots • reads and plots .zip archives containing s-parameter data

About

GEYER Y

Features
Read full description

The simulation app newly launched and further developed by GEYER Electronic supports you with just a few clicks when creating your design and existing circuits can be checked or optimized. Therefore it will help you to choose the right quartz crystal. What does the Y-Design app offer? - Simple design of initial circuit designs - Testing and optimization of designs by simple parameter input; fast determination of quartz loading - Avoidance of technical problems in advance, e.g. long start-up times - Intuitive app use → self-explanatory and user-friendly menu navigation - Storage and printing of the design parameters - Direct sample request for design review

Screenshots

splotRF3 screens
GEYER Y4 screens

Verdict

The call

The clearest difference is update cadence: splotRF at every 10 days against GEYER Y's every 5 months. GEYER Y's advantage is iOS requirement (12.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

splotRF ships an update every 10 days, GEYER Y every 5 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 7 level
splotRF versus GEYER Y: the parameters behind the verdict, then further details
ParametersplotRFGEYER Y
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 10 days — betterEvery 5 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS18.012.0 — better
Further details — not scored
Size6 MB33 MB
Age rating4+4+
DeveloperDirectRFGeyer Electronic GmbH

In-app purchases

None

splotRF

No in-app purchases

None

GEYER Y

No in-app purchases

Questions

Is splotRF free?
splotRF is free to download, with no in-app purchases.
Is GEYER Y free?
GEYER Y is free to download, with no in-app purchases.
Do splotRF or GEYER Y have ads?
Neither splotRF nor GEYER Y shows ads.
Which is updated more often, splotRF or GEYER Y?
splotRF ships an update every 10 days, and GEYER Y every 5 months. Most recently, splotRF was updated on October 24, 2026 and GEYER Y on October 25, 2026.

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