Zeitmaschine vs SquareSynth 2
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Zeitmaschine
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Zeitmaschine is an audio engineering calculator with 4 different modes to compute tempo and distance related delay times, convert time related values and to calculate file sizes. DELAY TIME MODE Zeitmaschine is a delay time calculator with all divisors and multipliers relative to the time measurement you have done. Calculate delay times in milliseconds (ms) and beats per minute (bpm). Set the desired tempo via the tab-button, or write it down in ms/bpm, all options will be computed and a huge amount of 21 matched delay times will shown up at once, including dotted and triplet values. Take these determined times and put it to the delay time display of your effect or sound device, use it to set the right attack and release times of your dynamics (compressor/gate) or set the perfect pre delay time of your reverbs in addiction to the song tempo. Works with virtual-, 19“-, or stage devices (display needed). Zeitmaschine is a pretty quick app, brilliant for live engineering, where you can choose the perfect delay time in seconds, without scrolling the knobs of your FX-device back and forth. On the other hand you got an ultimate overview of alternative delay times, that´s great for doing experiments while mixing a track in a recording studio or in your DAW. You can use it on drums, vocals, guitars, ….you name it, and give them a complete new rhythmical structure. CONVERTER MODE Convert beats per minute to milliseconds, samples & hertz, depending on the audio sample rate. FILESIZE MODE Set the duration, bit depth, sample rate and channel number and get the filesize information for uncompressed files. Add the kbps rate to get the filesize for compressed files. DELAY LINE MODE Set the distance to main P.A. in meter or feet, add the temperature in Celsius or Fahrenheit and get the right delay times to delay the main P.A. to the backline and the line P.A. to the main P.A.
SquareSynth 2
Create 8-bit style music with this professional chiptune synthesizer. It offers versatile sound design inspired by classic consoles and integrates with modern music production tools.
- 8-bit style synthesizer
- NES and Commodore 64 inspired
- Audio Unit (AUv3) support
- Audiobus support
- 8 multitimbral channels
- Looping sound recorder with .wav sharing
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SquareSynth is an 8bit style synthesizer. It takes features from the NES console, and the Commodore 64 personal computer. It is a versatile, pro-quality chiptune music maker. Easily integrates with Audio Unit (AUv3) hosts to create a complete song writing solution. If you would like to experiment with lofi sounds and textures with modern features, look no farther. Features: ▷ Audio Unit Version 3 support. ▷ 8 multitimbral channels (5 voices each), accessible via MIDI. ▷ Each voice contains 4 waveforms (Pulse, 4-bit Triangle, Short Noise, Long Noise). ▷ Classic 8bit arcade video game sounds (blorp). ▷ Multi-mode Filter. ▷ Looping sound recorder, with .wav file sharing.
Screenshots
Verdict
The clearest difference is price: Zeitmaschine at $3.99 against SquareSynth 2's $9.99. Zeitmaschine also leads on iOS requirement (15.0 vs 17.6). SquareSynth 2's advantage is update cadence (every 5 weeks vs every 7 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
Zeitmaschine costs $3.99 and SquareSynth 2 $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Zeitmaschine ships an update every 7 months, SquareSynth 2 every 5 weeks. The most recent releases landed on October 29, 2026 and November 7, 2026 respectively.
| Parameter | Zeitmaschine | SquareSynth 2 |
|---|---|---|
| Price | $3.99 — better | $9.99 |
| Rating | — | 4.1 (37 ratings) — better |
| Positive reviews | — | 62.5% of reviews |
| Number of ratings | — | 37 — better |
| Update frequency | Every 7 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 152 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Grohe & Giannakakis Applications GbR | James Navarro |
In-app purchases
Zeitmaschine
No in-app purchases
SquareSynth 2
No in-app purchases









