Appworthy

FIELD KIT Playback Engine

Multi-Window Audio Instrument

Field Tone Audio, LLC
Download on theApp Store
App Store rating4.6★5 ratings
Price$9.99Listed price
Age4+Store age rating
Size12 MBiPhone download
CategoryLifestyle
DeveloperField Tone Audio, LLC

What we found

Full report

Too little checked to say Store information only. We haven’t analysed this app or read its reviews yet.

Money

  • $9.99 to download.

Not yet tested.

The store currently lists version 1.3.0, updated 2026-10-03.

Preview

Screenshot 1Screenshot 2Screenshot 3Screenshot 4Screenshot 5Screenshot 6

Store screenshots supplied by the developer.

About this app

FIELD KIT is an audio playback instrument built for turning recorded sound into evolving texture, rhythm, and atmosphere.

Load an audio file and create up to four independent playback windows across the recording. Each window can move through a different section of the source with its own playback speed, direction, crossfade, drive, filtering, level, and pan.

Use FIELD KIT to pull overlapping textures from long field recordings, transform environmental sound into ambient beds, create asynchronous loops, or find entirely new material hidden inside a recording.

Three modulation sources can be routed independently across the playback windows, allowing parameters to drift, pulse, and evolve over time.…

From the developer’s store description.

For developers and the curious

The full report

The evidence, sources, measurements and versions behind every label above.

Findings and evidence

Not yet tested
Not yet tested. No analysis has been published for this app. A missing label is not a clean bill of health.

What reviewers report

No review coverage

No review analysis published for this app.

Measurements

3 measured · 5 not assessed

“Not assessed” means we could not measure it. It is never a zero and never a pass.

From store data and reviews

Developer replies to reviews
Not assessed
Fewer than 50 reviews scanned — too few to state a rate
Price in the store description
The store description doesn’t list prices (most don’t)
Cancelling, in the store description
The store description doesn’t say how to cancel (most don’t)
Themes reported by reviewers
Not assessed
This app's reviews have not been assessed yet
Five-star share of ratings
80–89% five-star
Arithmetic on the stores' own published rating counts. It says nothing about why the ratings fall where they do.

In the app package we scanned

No package has been scanned for this app, so nothing is published about what it ships. That is an absence of evidence, not a finding.

Sensitive permissions
Not assessed
No package has been scanned for this app
Analytics or tracking SDKs in the scanned package
Not assessed
No package has been scanned for this app
Advertising SDKs in the scanned package
Not assessed
No package has been scanned for this app
How we know

Supporting measurements: not a complete list of possible harms or positives. Measurement vocabulary 1.4 · how these are measured

Versions and dates analysed

Not yet tested

Not yet tested. No analysis has been run for this app, so there is no version or date to report.

Store update history

Each store’s release notes, as the developer wrote them. They are the developer’s words, not ours.

App Store

Version 1.3.0 · 2026-10-03
FIELD KIT 1.3.0 introduces several quality-of-life features and improvements: • Route each playback window to its own audio channel in AUv3 hosts • Tap a SPLICE divider flag to remove audio to the left or right of a splice • Added global Speed, Drive, Filter, Level, and Pan controls • LFOs can now be routed to new global parameters • Parameters are now exposed within AUv3 hosts for external control and modulation • Added relative snapping for commonly used playback speeds (0.5x, 1.0x, and 2.0x) • Additional stability and performance improvements

Assessment record

Status
Not yet tested
App identifier
field-kit-playback-engine
Sources used
None recorded
Reviews read
None recorded
Package examined
No package scan
Human inspection
Not completed
How we know
Measurement vocabulary
1.4

Store facts

App Store

What the stores publish. Store ratings are the stores’ numbers, not Appworthy’s, and are never averaged across stores.

App Store

Store rating
4.60 ★ · 5 ratings
Version
1.3.0
Updated
3 Oct 2026
Price
$9.99
Age rating
4+
Size
12 MB
Open in App Store
Developer
Field Tone Audio, LLC
Category
Lifestyle
Listing price
$9.99

No itemized purchase list is available for this listing.

Method and limits

What this report can and cannot show

What a missing label means

Not yet tested. No analysis has been published for this app, so there is no method to describe for it yet. A missing label is not a clean bill of health: it means nothing has been read, not that nothing is wrong.

Limits of this report

  • A package scan is static. It identifies code and text in one Android build. It does not measure a live ad session, test a deletion request, or count the steps needed to cancel.
  • Reviews keep their sample. A review-only charge shows distinct reviewers, the share and the sample size, and is published only once it clears that label’s published threshold. Calibration labels are machine-drafted and not yet confirmed by a person.
  • Not assessed is a state. It is never a zero and never a pass.
  • A missing label is not a clean bill of health. It means the evidence did not support one, not that the app is problem-free.
Not yet human-reviewed. A human review gives an app hands-on, recorded measurements. None has been run for this app. Hands-on inspections are not yet open.
Review thresholds Read the methodology For developers

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