PolySampler vs Dial Upstrum
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PolySampler
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PolySampler is a powerful, easy to use sampling instrument for iOS devices. Import sound files or record high-quality audio using your built-in microphone, then map those samples to the on-screen pads. Each pad includes an independent EQ and processor which can manipulate the playback pitch, speed, and length. The main output also has built-in delay and reverb effects. Individual samples can be saved to the internal PolySampler sample library. Users can also create and save presets to quickly load a set of samples and parameter settings. Sampling on the go has never been easier. With PolySampler, the world is your instrument.
Dial Upstrum
Transform classic modem sounds into a unique musical instrument. Explore phase and pitch variations to create distinctive audio and visuals, and integrate with AUv3 hosts for advanced music production.
- Play 56k modem handshake sounds as an instrument
- Adjust phase and pitch of sounds
- Modify visuals alongside audio
- AUv3 plugin support
- Inspired by ZX Plectrum
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Boot up that beige box, hear the sweet symphony of your 56k modem screeching into life, and prepare to surf the information superhighway like it's 1999! Play the 56k DialUp handshake sounds as a musical instrument on your iPhone or iPad! Change the modem sounds (and visuals) phase and pitch to make some weird, wonderful and familiar sounds! Plugin to your favourite AUv3 host and make unique music unlike anything else. Log on. Dial in. Based on the critically acclaimed ZX Plectrum! (but with more sounds and flexibility!) What people say about ZX Plectrum: "As seen on TV" on Dara O Briain's Go 8 Bit Used by multi-Platinum band Placebo in their live events. "ZX Plectrum lets you make music Spectrum style on your iPhone" pocket-lint.com "Utterly pointless but also utterly engaging" bamm.tv "For Nostlagia lovers of a very specific demographic this will sound like heaven" calmdowntom.com "The Greatest iPad App of ALL TIME" conoroneill.net
Screenshots
Verdict
The clearest difference is price: PolySampler at $1.99 against Dial Upstrum's $3.99. On ads, in-app purchases, 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
PolySampler costs $1.99 and Dial Upstrum $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | PolySampler | Dial Upstrum |
|---|---|---|
| Price | $1.99 — better | $3.99 |
| Rating | — | 3.7 (3 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 3 — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.5 — better | 18.0 |
| Further details — not scored | ||
| Size | 1 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | Euclidean Instruments, LLC | Dave Sapien Ltd. |
In-app purchases
PolySampler
No in-app purchases
Dial Upstrum
No in-app purchases









