Echo Pitch vs TETSUO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Echo Pitch
This app offers a multi-delay effect with pitch-shifting capabilities, allowing for harmonized sounds and ambient textures. It includes a looper, amp simulator, and reverb for creative sound design. Optimized for iOS devices with audio interface support.
- Pitch-shifting delays
- 4-voice harmonizer
- Built-in looper
- Amp simulator
- Reverb effect
- Inter-delay routing
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Echo Pitch pitch-shifting multi-delay for iPad and iPhone! Echo Pitch has 4 delays where each delayed signal can be pitched one octave up or down in 1/2 steps, and can function as a 4-voice harmonizer. Echo Pitch also has a built-in freeze loop, amp simulator and reverb. Each of the four delays can be routed into the other for incredible, swirling, ambient washes and otherworldly sounds. Echo Pitch works best with an iOS-compatible audio interface. Echo Pitch is also AUM/Audiobus compatible - as Inter-App Audio or Audio Unit. (Please note that the standalone/IAA version of Echo Pitch is now legacy. While the AU Echo Pitch has the same functionality, the pitch shifting is far superior. In addition, there are sonic differences between the Reverb, Master Delay EQ, Delay drives in the AU vs the Standalong/IAA version. But you get both updated AU and legacy IAA. Use whichever you prefer!) Brought to you by Avi Bortnick and Maximos Kaliakatsos-Papakostas.
TETSUO
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TETSUO is a chaotic percussion machine. No samples, no library. One voice built out of a pitched body with noise dragged through it, a resonant filter that saturates the harder you lean on it, a bitcrusher, and a waveshaper that runs from a bit of weight to total structural failure. The sequencer is sixteen unseen slots and STEPS knob decides how many of them fire, adding and taking away hits one at a time in a fixed order, so you can strip a pattern to the bone and build it back and the same beats come home. The SKIP control works against you on purpose, stealing hits at random while it plays, so it never quite settles. MUTATE modulates the pitch at random, setting fire to voices on every turn. You do not program TETSUO so much as negotiate with it. The strip along the top is how you attempt to hold onto anything. Sixty four steps, four turns of pattern, carved into as many as eight sections. Select a section. Find a sound. Hit RECORD, and that section keeps every knob position. Change it, record the next, then hit PLAY and it walks left to right dropping each snapshot in as it reaches it, looping. Drag the dividers to give a section longer or cut it short. It keeps settings, not audio, so the engine is playing live the entire way through. Sections save with your presets and your session. AUv3 and standalone.
Screenshots
Verdict
The clearest difference is price: Echo Pitch at $4.99 against TETSUO's $9.99. On ads, in-app purchases, chart position 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
Echo Pitch costs $4.99 and TETSUO $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Echo Pitch | TETSUO |
|---|---|---|
| Price | $4.99 — better | $9.99 |
| Rating | 4.9 (16 ratings) — better | — |
| Positive reviews | 68.4% of reviews | — |
| Number of ratings | 16 — better | — |
| Update frequency | Every 2 weeks | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Best chart rank | #185 — better | #189 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.6 |
| Further details — not scored | ||
| Size | 5 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Avi Bortnick | Anthony Moran |
In-app purchases
Echo Pitch
No in-app purchases
TETSUO
No in-app purchases









