SpotLog vs TailTag
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Record train sightings
- Log location, time, and date
- UK and European railway datasets
- Details on locomotives and rolling stock
- User-friendly interface
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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
TailTag
Log every aircraft you see with photos, registrations, and airline details. Organize your sightings in a clean collection and search instantly by airline, registration, or model. Perfect for aviation enthusiasts, plane spotters, and travelers.
- Log aircraft by registration, airline, type
- Tag sightings with photos
- Organize spottings in a collection
- Search by airline, registration, model
- Designed for plane spotters
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TailTag is the ultimate app for aviation enthusiasts, plane spotters, and travellers who love tracking the skies. Whether you’re at the airport fence or window seat at 30,000 feet, TailTag helps you log every aircraft you see, complete with photos, registrations, and airline info. Key Features • Add aircraft by registration, airline, and aircraft type • Tag each one with a photo from your library • Built for Plane Spotters • Organize your spottings in a clean, scrollable collection • Instantly search by airline, registration, or aircraft model • Designed with aviation in mind Spot. Snap. Save. TailTag keeps your aircraft sightings in one place, with an elegant interface that makes every entry feel like a collectible. Whether you’re a hardcore spotter or just getting started, TailTag brings order to the skies.
Screenshots
Verdict
The clearest difference is price: TailTag at Free against SpotLog's $2.99. TailTag also leads on review sentiment (100% vs 70%). SpotLog's advantage is device support (3 vs 1) and iOS requirement (8.0 vs 18). On update cadence, ads and in-app purchases 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
TailTag is free to download; SpotLog costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
SpotLog ships an update every 2 months, TailTag every 3 months. The most recent releases landed on September 29, 2026 and September 30, 2026 respectively.
| Parameter | SpotLog | TailTag |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | — | 4.5 (2 ratings) — better |
| Positive reviews | 70.0% of reviews | 100.0% of reviews — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 8.0 — better | 18 |
| Further details — not scored | ||
| Size | 46 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Mark Goodspeed | Josh Mansfield |
Customer experience
SpotLog
TailTag
In-app purchases
SpotLog
No in-app purchases
TailTag
No in-app purchases
