Dev Q vs SynRTK
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Dev Q
Prepare for technical developer interviews with curated questions and clear answers across CS, iOS, Android, and Frontend topics. Get weekly updates to keep your knowledge fresh for last-minute reviews or on-the-go studying.
- Curated technical questions
- Clear answer explanations
- Covers CS, iOS, Android, Frontend
- Weekly content updates
- Ideal for on-the-go learning
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Dev Q: Tech Interview Prep Made Simple Dev Q helps you master key technical questions for developer interviews — across CS, iOS, aOS, and Frontend. Whether you’re preparing last minute or reviewing on the go, Dev Q has you covered. • Curated questions & clear answers • Covers CS, iOS, aOS, and Frontend • Weekly updates to keep content fresh • Perfect for commute, breaks, and pre-interview reviews Ace your next interview — with Dev Q.
SynRTK
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GNSS RTK, Precise positioning service with RTK devices of SYNEREX, Inc. * Setting options Broadcasts connection status to NTRIP server via USB or Bluetooth. Broadcasts location information obtained by receiving satellite signals. Connects with existing connection information when running the app. Hides the SynRTK app with Back when connected to NTRIP. Shows location information. Shows NMEA data log. * NTRIP Server Configuration You can use the NTRIP Account built into the SynRTK terminal or use an external NTRIP Account * Satellite screen - Satellite signal strength/position display It shows followings: - Number of satellites used - PDOP (Position dilution of precision) - HDOP (Horizontal dilution of precision) - VDOP (Vertical dilution of precision)
Screenshots
Verdict
The clearest difference is update cadence: SynRTK at every 11 days against Dev Q's every 6 months. SynRTK also leads on iOS requirement (13.0 vs 16.6). 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.
Dev Q ships an update every 6 months, SynRTK every 11 days. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.
| Parameter | Dev Q | SynRTK |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 6 months | Every 11 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 18 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | jaesung Lee | SYNEREX |
In-app purchases
Dev Q
No in-app purchases
SynRTK
No in-app purchases
Questions
Is Dev Q free?
Is SynRTK free?
Do Dev Q or SynRTK have ads?
Which is updated more often, Dev Q or SynRTK?
Other comparisons
