Comparison

SynScan Pro vs Quick Learn Japanese

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

Head to head
About

SynScan Pro

Control motorized telescope mounts for celestial observation and astrophotography. Features include precise slewing, alignment, GOTO, and tracking of stars, planets, and deep-sky objects. Supports advanced functions like polar alignment and camera triggering.

Highlights
  • Control telescope mount (slew, align, GOTO, track)
  • Point and Track celestial objects
  • Gamepad navigation support
  • Catalog of celestial objects
  • Third-party app integration (ASCOM, SkySafari)
  • Polar alignment (with or without polar scope)
  • Camera shutter release control
Features
Read full description

Use the SynScan app to control Sky-Watcher telescope mounts via Wi-Fi or Bluetooth LE. Mounts without built-in Wi-Fi can be supported via a SynScan Wi-Fi adapter. This is the Pro version of the SynScan app and contains features suited for expert users using equatorial mounts. Features - Control telescope mount to slew, align, GOTO and track. - Point And Track: track celestial objects (including the Sun and planets) without aligning. - Support gamepad navigation. - Browse a catalog of stars, comets, and deep sky objects. Or, save your own objects. - Provide access to mount for use by third-party apps, including ASCOM clients, SkySafari, Luminos, Stellarium Mobile Plus, Stellarium Desktop or customer-developed apps. Also set up mount alignment for Luminos, Skysafari. - Support access to the mount and the SynScan app from any platform that supports TCP/UDP connections. - Provide emulator mount for testing and practicing. - Track fast-moving earth satellites by working with the PreviSat app on Windows PC or the Lumios app on iOS devices. - Perform polar alignment with or without a polar scope. - Control shutter release (SNAP) port to trigger an attached camera. (Requires mount with SNAP port and adapter cable that matches camera.) - Use ASCOM to perform autoguiding on mounts that do not have autoguider (ST-4) port. - Other mount controls: auto home, PPEC, park.

About

Quick Learn Japanese

Features
Read full description

Study new characters, review what is due, search words quickly, and generate short Japanese stories that turn your target kanji into reading practice. The app is built for learners who want a practical path through Japanese instead of a pile of disconnected flashcards. KANJI AND VOCAB SEARCH Look up kanji and vocabulary by Japanese, kana, or English. Filter kanji by JLPT level, grade, stroke count, and radicals, then open details with readings, meanings, components, examples, and related vocabulary. SPACED REPETITION REVIEWS Reviews use a lightweight SRS system so cards come back when they need attention. Your daily queue focuses on due kanji and vocabulary, with progress saved to your account. LEARN NEW MATERIAL Add new kanji and vocabulary into your deck from search, stories, or guided learning sessions. Quick Learn Japanese keeps your study deck organized so you can return to it anytime. AI-GENERATED READING PRACTICE Create short Japanese stories by level and theme. Stories can target your JLPT level or study profile, include furigana and English support, and can be turned into flashcards for review. KANA PRACTICE Practice hiragana and katakana from a dedicated kana hub. Build recognition and writing confidence before moving deeper into kanji and vocabulary. TODAY AND STATS See your daily study goal, streak, XP, review accuracy, and recent study momentum. Adjust goals, review size, and story display settings from your profile. SYNCED ACROSS DEVICES Sign in with email, Google, or Apple to keep progress synced through Firebase. Offline persistence helps keep study data available when connectivity is unreliable. Quick Learn Japanese is free to start. A Pro subscription unlocks unlimited story generation and removes ads. Terms of Use: https://rightcode.app/qlj/terms Privacy Policy: https://rightcode.app/privacypolicy

Screenshots

SynScan Pro4 screens
Quick Learn Japanese4 screens

Verdict

The call

The clearest difference is in-app purchases: SynScan Pro at none against Quick Learn Japanese's 3. Quick Learn Japanese's advantage is update cadence (every 4 days vs every 2 months). On price, ads, device support and iOS requirement 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. Quick Learn Japanese sells 3 in-app purchases, starting at $2.99 per month. SynScan Pro asks for nothing beyond the download.

UpkeepUpdate frequency

SynScan Pro ships an update every 2 months, Quick Learn Japanese every 4 days. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

Scorecard2 real differences · 8 level
SynScan Pro versus Quick Learn Japanese: the parameters behind the verdict, then further details
ParameterSynScan ProQuick Learn Japanese
PriceFreeFree
Rating2.6 (51 ratings) — better—
Positive reviews21.5% of reviews—
Number of ratings51 — better—
Update frequencyEvery 2 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.6
Further details — not scored
Size46 MB169 MB
Age rating4+4+
DeveloperAstropower Technology Co. Ltd.Harish Kumar

In-app purchases

None

SynScan Pro

No in-app purchases

3 purchases

Quick Learn Japanese

Subscriptions2
  • Unlimited Access$2.991 Month
  • QLJ Pro Yearly$24.991 Year
One-time1
  • 5 Story Credits$0.99

Questions

Is SynScan Pro free?
SynScan Pro is free to download, with no in-app purchases.
Is Quick Learn Japanese free?
Quick Learn Japanese is free to download, with in-app purchases available.
Do SynScan Pro or Quick Learn Japanese have ads?
Neither SynScan Pro nor Quick Learn Japanese shows ads.
Which is updated more often, SynScan Pro or Quick Learn Japanese?
SynScan Pro ships an update every 2 months, and Quick Learn Japanese every 4 days. Most recently, SynScan Pro was updated on October 14, 2026 and Quick Learn Japanese on October 7, 2026.

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