Comparison

3D Synth vs Field.

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

3D Synth

This app is a touch synthesizer that allows continuous pitch control for expressive playing. It offers various sound-shaping tools and effects, along with on-device recording capabilities for sharing and backup.

Highlights
  • Chromatic touch interface
  • Real-time responsive play
  • Multiple oscillator and FM instruments
  • ADSR envelope shaping
  • Reverb, delay, distortion, EQ effects
  • On-device audio recording
Features
Read full description

3DSynth! A chromatic touch synthesizer and on-device recorder. Chromatic by design - 3DSynth lets you play all notes and frequencies continuously—not locked to MIDI steps—so you control pitch directly with your finger like a real instrument! Real-time, responsive play - Low latency and immediate feedback keep your phrasing natural and expressive while you glide and shape the note in motion. Shape your sound - Choose different instruments (oscillator, FM, plucked), sculpt with ADSR and add effects like reverb, modulation, delay, distortion, and EQ! Record on device - Capture your takes directly to the app’s local recordings folder for sharing and backup. **Important** Deleting the app removes its local data, including recordings and settings. Export anything you want to keep before uninstalling or resetting the device. Enjoy and thanks for downloading!

About

Field.

Record, identify, and transcribe sounds with advanced AI. Automatically tag audio with environmental data and create searchable text from speech. Explore your sound library with unique acoustic fingerprints and route maps.

Highlights
  • On-device AI sound identification
  • Live speech transcription
  • Acoustic fingerprint analysis
  • Route mapping with event markers
  • High-resolution audio recording
  • Location and weather tagging
Features
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Field is a field recording app for the people who listen to places. It records in high resolution, then tells you what it heard: the birds, the weather, the character of the sound, and which recordings stand out from the rest. Open it, press record. Included free. No account, no subscription: Soundmark Field finds the recordings that stand out from the others at a place. Mark your own, or let Field suggest them. Similar Recordings Open any recording and find others that share its character. Sound ID On-device AI identifies sounds as you record: birdsong, wind, rain, traffic, voices, all tagged and timestamped. Auto-bookmarks Field marks high-confidence detections as you record, so you can find events in long captures without scrubbing. True Stereo Real stereo from the built-in mics, not dual mono. Field uses the rear array iOS reserves for video, which gives you a wider image. High-Resolution Audio Up to 96kHz, 32-bit in WAV, AIFF, FLAC, ALAC, or AAC. You choose the resolution. Acoustic Fingerprint Loudness, dynamic range, spectral character, and spaciousness, written as a plain phrase ("warm and expansive") or as BWF metadata. Import Bring in audio from Voice Memos, Files, or any share menu. Imports are tagged, fingerprinted, and transcribed like your own captures. Export to Freesound Send any recording to Freesound ready to upload, with tags, license, geotag, and description in the format Freesound expects. Live Transcription On-device speech recognition turns your words into searchable text as you speak. English, Spanish, French, German, Italian, Portuguese, Japanese, Korean, and Chinese, depending on your device. Location & Weather Every recording is geo-tagged with place, map, and the weather at the moment of capture. Route Maps Record while you walk, ride, or drive. Field draws your path full screen and marks the standout moments along it. Library Playback Play, scrub, and auto-play from the library. Sort by date, duration, size, or location. Live Monitoring Hear what the mic hears through your headphones while recording. Home & Lock Screen Widget Start recording with one tap from your Home or Lock Screen, without opening the app. Action Button Assign Toggle Recording and start a capture with one press. (iPhone 15 Pro and later.) Apple Watch Add a Field complication to any watch face. See whether a recording is running, and start one without taking out your phone. Control Center Start or stop a recording from anywhere in iOS. Live Activity A recording in progress shows elapsed time on the Lock Screen and Dynamic Island. Time-of-Day Colors Recording cards reflect when they were captured: dawn, midday, golden hour, dusk, night. Field Pro is a one-time purchase, no subscription. It unlocks: Pre-roll Capture the moment before you tap record. Field keeps the last few seconds in memory so you never miss the start. Off, 3, 5, or 10 seconds. In memory only, never uploaded. Bird Species Identification Field names the birds it hears, species by species, entirely on-device with nothing uploaded. Available for recordings made in the San Francisco Bay Area. Smart Playlists Rules-based collections that update themselves. Filter by tag, place, soundmark, duration, or any combination. Reaper Project Export Share any recording as a Reaper .zip. Bookmarks become project markers and tags become regions, laid out ready to edit. Per-tag thresholds Tune how confident Field must be before adding each tag. Folders Organize recordings by project, trip, or session. iCloud Sync Your recordings, photos, and metadata sync across devices through your own iCloud. Audio downloads on demand. Trim & Crop Set in/out points, preview, save as new or replace. Bookmarks Drop timestamped markers during playback. Add labels, tap to jump. Video Export Share recordings as waveform videos in 16:9, 1:1, or 9:16, with an optional overlay. Field has no servers. Your data never leaves your device unless you turn on iCloud Sync, which uses your iCloud account.

Screenshots

3D Synth3 screens
Field.4 screens

Verdict

The call

The clearest difference is rating: Field. at 4.9 against 3D Synth's 4.0. Field. also leads on ratings volume (8 vs 1). 3D Synth's advantage is in-app purchases (none vs 1). On price, ads, monetization model 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Field. sells 1 one-off in-app purchase. 3D Synth asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Field. holds the better App Store score, 4.9 against 4.0. That said, the two scores are not equally well evidenced: Field. has 8 ratings behind it against 1, so its average is the more settled of the two.

Scorecard3 real differences · 7 level
3D Synth versus Field.: the parameters behind the verdict, then further details
Parameter3D SynthField.
PriceFreeFree
Rating4.0 (1 ratings)4.9 (8 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings18 — better
Update frequency—Every 8 days
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, Apple Watch — better
Requires iOS18.518.0 — better
Further details — not scored
Size9 MB57 MB
Age rating4++4
DeveloperDavid NoyConsumer Therapy

In-app purchases

None

3D Synth

No in-app purchases

1 purchases

Field.

One-time1
  • Field. Pro$5.99

Questions

Is 3D Synth free?
3D Synth is free to download, with no in-app purchases.
Is Field. free?
Field. is free to download, with in-app purchases available.
Which has better reviews, 3D Synth or Field.?
Field. is rated higher. 3D Synth averages 4.0 out of 5 from 1 ratings, while Field. averages 4.9 from 8 ratings.
Do 3D Synth or Field. have ads?
Neither 3D Synth nor Field. shows ads.

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