EDSP4 vs Material Removal Rate
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EDSP4
A convenient and professional tuning app with Bluetooth 4.0 support. It offers 6 sound effect modes and 31-band EQ adjustment for a unique audio experience. The interface includes a player that supports USB playback.
- Bluetooth 4.0 connectivity
- 6 built-in sound effect modes
- 31-band equalizer adjustment
- Player interface
- USB playback support
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一个便捷专业的调音APP,支持4.0蓝牙,内置6种音效模式,31段EQ调节。让您有不一样的听觉享受。播放器界面,支持U盘播放。
Material Removal Rate
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Boost throughput and cut guesswork with the Material Removal Rate Calculator—your quick, reliable way to quantify MRR and tune cutting parameters for real-world results. Material removal rate is the volume removed per unit time and a direct indicator of cutting efficiency, cycle time, and profitability. Built for production decisions Get fast, consistent answers when you are comparing setups and tooling, verifying CAM programs on the floor, estimating cycle time and machine load, and balancing productivity versus tool life. What’s inside MRR calculators for Turning, Milling, Drilling, Grinding, and Grooving—enter depth and width of cut and feed to compute removal volume instantly. Spindle Speed and Feed Rate helpers turn SFM, RPM, IPT, and IPM into actionable machine settings. Chip Load (Feed per Tooth) guidance helps you hit proper chip thickness per edge and avoid rubbing or overload. Make better trade-offs Finding the sweet spot between speed and feed protects tool life while keeping parts moving. The app helps you understand those levers so you can push feed where it matters, trim cutting speed when heat is climbing, and keep surface finish on spec. Why it matters Faster setup validation by quantifying removal rates when you change cutters, holders, or offsets. Repeatable results by standardizing shop math across shifts and machines. Less waste and more parts by reducing trial and error and moving toward predictable cycle times. Whether you are roughing aluminum, profiling stainless, drilling deep holes, or grinding to finish, this calculator brings proven shop math to your pocket so you can decide with data, not hunches.
Screenshots
Verdict
The clearest difference is price: EDSP4 at Free against Material Removal Rate's $1.99. EDSP4 also leads on iOS requirement (9.0 vs 16.2). Material Removal Rate's advantage is update cadence (every 8 months vs every 19 months). On 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
EDSP4 is free to download; Material Removal Rate costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
EDSP4 ships an update every 19 months, Material Removal Rate every 8 months. The most recent releases landed on October 11, 2026 and October 18, 2026 respectively.
| Parameter | EDSP4 | Material Removal Rate |
|---|---|---|
| Price | Free — better | $1.99 |
| Positive reviews | 50.0% of reviews | — |
| Update frequency | Every 19 months | Every 8 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 9.0 — better | 16.2 |
| Further details — not scored | ||
| Size | 51 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Cheng Pu Chiang | Vladislav Zhirnov |
In-app purchases
EDSP4
No in-app purchases
Material Removal Rate
No in-app purchases
Questions
Is EDSP4 free?
Is Material Removal Rate free?
Do EDSP4 or Material Removal Rate have ads?
Which is updated more often, EDSP4 or Material Removal Rate?
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