Wordock vs OrbitSmith
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Wordock
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Wordock is a vocabulary app where you can stock words you want to remember and review them anytime as flashcards. In addition to the basic flashcards app feature, AI creates personalized translation questions using the words in your notebook. For these translation questions, you can configure contexts like situations or your friends’ names, and the AI will generate questions tailored just for you. Features - Add, review, edit, delete words, and listen to word pronunciations. - Test your retention with flashcards. - Using the same large language model as Apple Intelligence, the AI creates translation questions just for you. - You can configure a situation or use your friends’ names to generate questions. - All translation questions are generated on-device. - Data is shared across your devices (iOS, iPadOS, watchOS) via iCloud automatically. - Show words on your Home Screen, Lock Screen, or StandBy mode as widgets. - Check your word list directly on Apple Watch.
OrbitSmith
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OrbitSmith is a free, open-source space situational awareness toolkit that puts the orbital environment at your fingertips. REAL-TIME 3D TRACKER Visualize 30,000+ objects orbiting Earth — active satellites, rocket bodies, and debris — rendered in real-time 3D with Blue Marble Earth textures. Tap any object to see its orbital details, search by name or NORAD ID, and track conjunction events from Space-Track CDM data. VISIBLE PASS PREDICTIONS Know exactly when to look up. OrbitSmith predicts visible passes of ISS, Tiangong, Starlink, and hundreds of bright satellites using SGP4 orbital propagation with real TLE data. Interactive sky charts with 44 reference stars help you find the satellite in the sky. NOTIFICATIONS & WIDGETS Never miss a bright pass. Receive push notifications before ISS and other satellites become visible, and check your next pass at a glance with lock screen and home screen widgets. MISSION DESIGNER Design satellite missions with a 5-step wizard. Choose from 7 mission templates, configure orbital parameters, run power/link/thermal/mass/orbit decay analysis, and find compatible launch vehicles from a database of 10 rockets. SATELLITE IMAGERY Browse 21 layers of satellite imagery from NASA, ESA, and ESRI — including MODIS true color, VIIRS night lights, sea surface temperature, vegetation health, and Sentinel-2 cloudless. All orbital data sourced from the U.S. Space Force via Space-Track.org.
Screenshots
Verdict
The clearest difference is update cadence: Wordock at every 3 days against OrbitSmith's every 3 weeks. OrbitSmith's advantage is iOS requirement (16.0 vs 26.0). 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.
Wordock ships an update every 3 days, OrbitSmith every 3 weeks. The most recent releases landed on October 9, 2026 and October 1, 2026 respectively.
| Parameter | Wordock | OrbitSmith |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPad |
| Requires iOS | 26.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 35 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Junnosuke Matsumoto | Seita Iizuka |
In-app purchases
Wordock
No in-app purchases
OrbitSmith
No in-app purchases









