Speaker Box Lite vs ForgePilot Diagnostics
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Speaker Box Lite
Calculate subwoofer box volumes and design acoustic systems with detailed charts and parameter generation. Supports various enclosure types and includes a shared online speaker database. Offers cloud project saving and PRO features via subscription.
- Subwoofer box volume calculation
- Support for multiple enclosure types
- Amplitude, phase, and SPL charts
- Parameter generation for vented boxes
- Port and displacement volume calculation
- Cloud project saving
- Shared online speaker database
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Design your perfect speaker box — skip the math and jump straight to building. Speaker Box Lite calculates subwoofer and speaker enclosures for you: sealed, ported (bass-reflex), 4th & 6th order bandpass, passive radiator, and transmission line. Get optimal volume and tuning recommendations, then see your box in full 3D with auto-generated blueprints and cut sheets. BUILT-IN SPEAKER DATABASE Search 5,000+ drivers from 300+ brands — Thiele-Small parameters load with one tap. Can't find yours? Add it manually in seconds. DESIGN IN 3D Place speakers and ports, add braces and dados, choose materials — and watch your enclosure come together. Design custom waveguides for tweeters and ports — conical, elliptical, hyperbolic and radial horn profiles included. SIMULATE BEFORE YOU BUILD Frequency response, phase, group delay, cone excursion and SPL plots. Compare enclosure variants side by side and pick the one that sounds right — before you cut a single board. COMPLETE SYSTEMS Multi-way boxes with subs, mids and tweeters. Full crossover designer: low-pass and high-pass filters (Butterworth, Linkwitz-Riley and more), series and parallel notch, Zobel, RC and RL contour networks, plus L-Pad attenuation. EXPORT & BUILD Export cut sheets and blueprints for every panel. 3D-print custom ports and waveguides via STL, or export the whole enclosure and its parts as STL. Send parts to CNC in STEP format for precision cutting. YOUR PROJECTS EVERYWHERE Free account keeps projects in the cloud — start on your phone, continue on the web at speakerboxlite.com. Upgrade to PRO for unlimited projects, offline database access and all advanced features. Payment is charged to your Apple Account at confirmation of purchase. Subscriptions renew automatically unless auto-renew is turned off at least 24 hours before the end of the current period. Manage or cancel anytime in your Account Settings. Privacy Policy: https://speakerboxlite.com/privacy Terms of Use: https://speakerboxlite.com/terms-of-use
ForgePilot Diagnostics
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Built by a technician who's actually turned wrenches for 20 years, ForgePilot is the AI diagnostic co-pilot you wish you had at the bay. Pull a code. Scan a VIN. Ask Forgy what's likely. Get a real answer — grounded in OEM procedures, your shop's history, and the kind of diagnostic logic that takes a decade to learn. WHAT YOU GET - Forgy — an AI co-pilot trained for automotive diagnostics. Ask it about any DTC, any vehicle, any symptom. Get a focused diagnostic path, not a wall of generic text. - MOTOR-licensed procedures, torque specs, and DTC flowcharts — straight from the source, viewed in-app, never bounced to a browser. - Live OBD2 streaming via Bluetooth — pair your existing scanner (OBDLink MX+, Autel, Launch, others) and stream PIDs, freeze frame data, and live sensor readings in real time. - VIN scanner with camera + barcode + AI fallback — get the right vehicle profile in seconds. - Multi-format scanner screenshot support — snap a photo of any scan tool's screen, paste it into Forgy chat, get an analysis. - Vehicle history that persists — every car your shop touches builds a record. Pull it up next time. BUILT FOR SHOPS, NOT CONSUMERS ForgePilot isn't an OBD2 toy or a parts-buying app. It's a professional diagnostic tool for working technicians at independent shops. If you've ever wished your scanner had a brain — this is it. YOUR DATA IS YOURS We never sell your shop data. We never sell your customer info. We never train AI on your individual repair orders without permission. Read the full privacy policy at crimsonforge.pro/privacy — it's written in plain English. QUESTIONS? Reach us at admin@crimsonforge.pro. Designed in Colorado by Crimson Forge, Inc.
Screenshots
Verdict
The clearest difference is in-app purchases: ForgePilot Diagnostics at none against Speaker Box Lite's 3. ForgePilot Diagnostics also leads on ads (none vs shown). On price, update cadence, 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
Both are free to download. Speaker Box Lite sells 3 in-app purchases, starting at $4.49 per 7 days. ForgePilot Diagnostics asks for nothing beyond the download.
Speaker Box Lite ships an update every 11 days, ForgePilot Diagnostics fortnightly. The most recent releases landed on October 7, 2026 and October 5, 2026 respectively.
| Parameter | Speaker Box Lite | ForgePilot Diagnostics |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (339 ratings) — better | — |
| Positive reviews | 61.9% of reviews | — |
| Number of ratings | 339 — better | — |
| Update frequency | Every 11 days — better | Fortnightly |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 166 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Alexey Abdulin | Crimson Forge Inc |
Bugs and requests
Speaker Box Lite
Reported bugs
12 issues- App crashes when adjusting VB/FB parameters
- Crashes on certain parameter combinations requiring reinstall
- Drawing/3D model generation hangs indefinitely
- Subscription payment charged multiple times
- Pro version access denied despite active payment
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- Email registration validation errors
- Parameters randomly change during design process
- Incorrect TS parameter data from driver database
- Incompatibility with latest iOS versions
- Overlapping port and speaker placement in designs
- Error messages about missing parameters with no input field
- App freezes when entering box specifications
Requested features
13 requests- One-time purchase option instead of subscription
- Portuguese language support (PT-BR)
- Air velocity graphs
- Complete 3D model generation with final drawings
- Bandpass 4th order enclosure support
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- Tweeter/midrange enclosure design
- Internal partition calculations
- Impedance information in database
- Video tutorials and glossary for technical terms
- Dipole/ripole calculations
- Passive radiator enclosure support
- Better port visualization in cut sheets
- Multi-sub application improvements
ForgePilot Diagnostics
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Speaker Box Lite
- Week PRO$4.497 Days
- Month plan$7.991 Month
- PRO Account$8.991 Month
ForgePilot Diagnostics
No in-app purchases
Questions
Is Speaker Box Lite free?
Is ForgePilot Diagnostics free?
Do Speaker Box Lite or ForgePilot Diagnostics have ads?
Which is updated more often, Speaker Box Lite or ForgePilot Diagnostics?
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