Comparison

SpotLog vs Star Register

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

Head to head

SpotLog

SpotLog app for trainspotters

About

SpotLog

Log train sightings with precise location, time, and date. Access detailed datasets for European railway systems, including locomotives and rolling stock. This app is designed for enthusiasts to meticulously record their observations.

Highlights

Record train sightings
Log location, time, and date
UK and European railway datasets
Details on locomotives and rolling stock
User-friendly interface

Features

Read full description

Record trains seen with location, time and date. App has datasets for UK and many other European railway systems with details of loco's, units and other rolling stock. https://spotlog.org/spotlog/gettingstarted

About

Star Register

Features

Read full description

Star Register is an app that provides find my star services. Here, we can see the vast expanse of the universe and feel the love and hope from the unknown world

Screenshots

SpotLog4 screens

Star Register4 screens

Verdict

The call

The clearest difference is price: Star Register at Free against SpotLog's $2.99. SpotLog's advantage is update cadence (every 2 months vs every 18 months) and iOS requirement (8.0 vs 13.0). On 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

Star Register is free to download; SpotLog costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

SpotLog ships an update every 2 months, Star Register every 18 months. The most recent releases landed on September 29, 2026 and September 9, 2026 respectively.

Scorecard3 real differences · 5 level

SpotLog versus Star Register: the parameters behind the verdict, then further details
Parameter	SpotLog	Star Register
Price	$2.99	Free — better
Positive reviews	70.0% of reviews	—
Update frequency	Every 2 months — better	Every 18 months
Ads	No	No
In-app purchases	No	No
Monetization	Paid	—
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	8.0 — better	13.0
Further details — not scored
Size	46 MB	46 MB
Age rating	4+	4+
Developer	Mark Goodspeed	旭明岳

In-app purchases

None

SpotLog

No in-app purchases

None

Star Register

No in-app purchases

Questions

Is SpotLog free?

SpotLog costs $2.99, with no in-app purchases.

Is Star Register free?

Star Register is free to download, with no in-app purchases.

Do SpotLog or Star Register have ads?

Neither SpotLog nor Star Register shows ads.

Which is updated more often, SpotLog or Star Register?

SpotLog ships an update every 2 months, and Star Register every 18 months. Most recently, SpotLog was updated on September 29, 2026 and Star Register on September 9, 2026.