ST EEPROM Finder vs splotRF
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ST EEPROM Finder
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ST’s Finder app is the fast and smart way to explore our Serial EEPROM portfolio using your smartphone or tablet. Use the Parametric Search engine to rapidly identify the serial EEPROM that best fits your application. You can also find your device quickly thanks to the Part Number Search engine. Main features of selected devices are displayed in very concise tables and can be shared by e-mail or social media in a click. Related technical documentation including datasheets and application notes can easily be downloaded. App helps you order samples in only few clicks. Download and install now.
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.
- 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
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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
Screenshots
Verdict
The clearest difference is update cadence: splotRF at every 10 days against ST EEPROM Finder's every 22 months. ST EEPROM Finder's advantage is iOS requirement (9.0 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ST EEPROM Finder ships an update every 22 months, splotRF every 10 days. The most recent releases landed on October 4, 2026 and September 28, 2026 respectively.
| Parameter | ST EEPROM Finder | splotRF |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 22 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 9.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 10 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | STMicroelectronics | DirectRF |
In-app purchases
ST EEPROM Finder
No in-app purchases
splotRF
No in-app purchases
