Filters vs ArcFocus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Filters
This application assists in calculating electronic filter components for speaker systems. It automatically determines inductor and capacitor values based on desired impedance and cutoff frequency, and designs circuits for various speaker types. Users can visualize frequency and phase diagrams for their custom speaker designs.
- Automatic electronic component calculation
- Frequency and phase diagram display (Bode plots)
- Electronic circuit schema display
- Support for various speaker types (high, mid, low, sub)
- First and second-order filter design
- Complete filter theory and formulas
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"Filters" is an application for the calculation of electronic filters for the construction of speaker systems. The program automatically calculates the values of electronic components (inductors, capacitors) of electronic filters depending by the desired speaker impedance and the cutoff frequency. The software can calculate and design the circuits (filters) for high, medium, low, sub woofer, etc... first and second order. Once calculated the filter’s circuit the app will automatically design for You the frequency and phase diagrams (Bode plots). Build the speakers of your dreams with "Filters"! Features: - Automatic calculation of the electronic components of the filters for high, medium, low, sub woofers etc... - Display of frequency and phase diagrams (Bode plots) for the calculated values of the circuit’s electronic components - Display electronic circuit’s schema (filter) - Complete theory for formulas/circuits for all the filters implemented in "Filters"
ArcFocus
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ArcFocus is a clean, distraction-free focus timer combined with task planning and routine tracking. Build streaks, keep the screen awake while you work, and log progress with lightweight stats—all kept securely on your device. - Focus timer with immersive mode and routine reminders - Plan tasks and events together; track recurring routines - Local notifications; no cloud sync, no ads - Quick backups to JSON you control - Optional Lifetime Premium: unlimited routines, custom themes, deeper focus modes Support: tripflow.contact@gmail.com Privacy Policy: https://www.notion.so/ArcFocus-App-Page-2b3f5511043f803e83c1c0086986b80d
Screenshots
Verdict
The clearest difference is price: ArcFocus at Free against Filters's $0.99. ArcFocus also leads on iOS requirement (14.0 vs 16.0). Filters's advantage is in-app purchases (none vs 1). On 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
ArcFocus is free to download; Filters costs $0.99 up front. ArcFocus sells 1 one-off in-app purchase. Filters asks for nothing beyond the download.
| Parameter | Filters | ArcFocus |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 3.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 40 months | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 54 MB |
| Age rating | 4+ | 4+ |
| Developer | Gianluca Natalini | harim kang |
In-app purchases
Filters
No in-app purchases
ArcFocus
- Lifetime Premium Access$2.99
