Comparison

SynScan Pro vs ZapQR

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

ZapQR

Securely store all your login credentials, including passwords, passkeys, and 2FA codes, in one encrypted vault. It offers autofill capabilities, password health checks, and breach monitoring for enhanced online security.

Highlights
  • Secure vault for passwords, credit cards, and notes
  • Passkey support for passwordless login
  • Built-in authenticator for 2FA codes
  • Smart autofill across iOS
  • Easy import from other password managers
  • Security score and breach monitoring
  • iCloud sync across devices
Features
Read full description

Your passwords, passkeys, and 2FA codes — all in one secure vault. ZapQR is a modern password manager built for iOS. Store your logins, generate secure codes, and autofill everywhere with Face ID or Touch ID. SECURE VAULT • Store passwords, credit cards, identities, and secure notes • AES-256 encryption keeps your data safe • Face ID & Touch ID for instant access • Triple-backup system protects against data loss PASSKEYS SUPPORT • Create and manage passkeys for passwordless login • Works with websites that support WebAuthn • More secure than passwords — no phishing risk BUILT-IN AUTHENTICATOR • Generate 2FA codes (TOTP) for any account • Auto-copy codes when filling passwords • Import from Google Authenticator • Scan QR codes to add accounts instantly SMART AUTOFILL • Fill passwords in Safari and apps automatically • Passkey authentication with one tap • Works system-wide across iOS EASY IMPORT • Import from 1Password, Bitwarden, Chrome, Keeper • Scan credit cards with your camera • Scan ID cards and driver's licenses SECURITY FEATURES • Security score shows password health • Detect weak, reused, and compromised passwords • Breach monitoring alerts ICLOUD SYNC • Sync your vault across all your devices • End-to-end encrypted — only you can read your data FREE TIER INCLUDES • 10 passwords, 5 passkeys, 5 secure notes • Unlimited cards and identities • Full autofill functionality ZAPQR PREMIUM • Unlimited passwords, passkeys, and secure notes • Password rotation assistance • Priority support SUBSCRIPTION DETAILS • ZapQR Monthly Premium — $2.99 per month • ZapQR Premium (Annual) — $29.99 per year Both plans begin with a 14-day free trial. Payment is charged to your Apple Account at confirmation of purchase. A subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period, and your account is charged for renewal within 24 hours before the period ends. You can manage your subscription and turn off auto-renew in your Apple Account settings after purchase. Any unused portion of a free trial is forfeited when you purchase a subscription. Prices are in U.S. dollars and may vary by region. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://zapqr.ai/privacy Privacy first: ZapQR never tracks you. Your data stays on your device and in your iCloud — we can't read it even if we wanted to. Questions? Email support@dasecure.com or visit https://zapqr.ai/support

Screenshots

SynScan Pro4 screens
ZapQR4 screens

Verdict

The call

The clearest difference is rating: ZapQR at 5.0 against SynScan Pro's 2.7. SynScan Pro's advantage is in-app purchases (none vs 2) and ratings volume (56 vs 1). On price, update cadence, ads 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

Both are free to download. ZapQR sells 2 in-app purchases, starting at $2.99 per month. SynScan Pro asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

ZapQR holds the better App Store score, 5.0 against 2.7. That said, the two scores are not equally well evidenced: SynScan Pro has 56 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

SynScan Pro ships an update every 2 months, ZapQR every 6 weeks. The most recent releases landed on November 2, 2026 and October 28, 2026 respectively.

Scorecard5 real differences · 5 level
SynScan Pro versus ZapQR: the parameters behind the verdict, then further details
ParameterSynScan ProZapQR
PriceFreeFree
Rating2.7 (56 ratings)5.0 (1 ratings) — better
Positive reviews21.5% of reviews—
Number of ratings56 — better1
Update frequencyEvery 2 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFreemium — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better17.0
Further details — not scored
Size46 MB4 MB
Age rating4+4+
DeveloperAstropower Technology Co. Ltd.DaSecure Solutions LLC

Customer experience

SynScan Pro

All ratings51 ratings
Positive33.3%
Neutral13.7%
Negative52.9%
Written reviews93 reviews
Positive21.5%
Neutral20.4%
Negative58.1%

ZapQR

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

SynScan Pro

No in-app purchases

2 purchases

ZapQR

Subscriptions2
  • ZapQR Premium Monthly14 Days trial$2.991 Month
  • ZapQR Premium (Annual)14 Days trial$29.991 Year

Questions

Is SynScan Pro free?
SynScan Pro is free to download, with no in-app purchases.
Is ZapQR free?
ZapQR is free to download, with in-app purchases available.
Which has better reviews, SynScan Pro or ZapQR?
ZapQR is rated higher. SynScan Pro averages 2.7 out of 5 from 56 ratings, while ZapQR averages 5.0 from 1 ratings.
Do SynScan Pro or ZapQR have ads?
Neither SynScan Pro nor ZapQR shows ads.
Which is updated more often, SynScan Pro or ZapQR?
SynScan Pro ships an update every 2 months, and ZapQR every 6 weeks. Most recently, SynScan Pro was updated on November 2, 2026 and ZapQR on October 28, 2026.

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