| iOS |
1.0.1 |
9/14/2019 |
Initial release, supported reading ASCII COMTRADE files.
|
| iOS |
1.0.7 |
10/2/2019 |
Added ability to read binary COMTRADE files.
Added ability to delete entire chart at one time.
Fixed bug where under some conditions user could not add a new chart.
|
| iOS |
1.0.8 |
10/18/2019 |
Added ability to show fundamental frequency phasors.
|
| iOS |
2.0.0 |
5/11/2026 |
Major update with iOS 26 support, refreshed interface,
bundled sample records, and direct file imports of
.cff, .osc, and .pl4 from Files, Mail, or AirDrop.
Email to Support bundles record files into a single zip attachment.
New settings for hiding samples, cursor colors,
DFT frequency, and more.
|
| iOS |
2.1.0 |
5/19/2026 |
Added phasor diagrams, symmetrical components calculations,
and R-X impedance plane plotting of loop impedances.
|
| iOS |
2.1.1 |
5/25/2026 |
Fixed an issue specific to SEL-735 generated records.
Added a link to online Help directly from the app.
|
| iOS |
2.2.2 |
6/5/2026 |
Added support for SEL event records (.cev, .eve, and .evzip),
SEL Motor Start Reports (.msr and .cmsr),
Beckwith M-3425A, M-3430, and M-3311A .osc records,
S&C IntelliRupter waveform capture files (.wfc),
and ATP/EMTP .pl4 files.
|
| Android |
4 (1.0.4) |
9/28/2019 |
Initial release on Android.
|
| Android |
10 (3.0) |
5/12/2026 |
Complete rebuild sharing the same interface as the iOS app.
Smooth pan and pinch-zoom plotting, A/B cursors with delta-time
and cycle readouts, multi-channel display with per-channel scaling.
Supports COMTRADE (.cff, .cfg/.dat), Beckwith OSC,
and ATP/EMTP PL4 files. Two bundled sample records.
Open files directly from Gmail, Files, Drive, and other apps.
Email support with zipped diagnostic attachments.
Dark mode, monochrome option, channel rename,
configurable cursor colors. Requires Android 7 or later.
|
| Android |
11 (3.2.0) |
5/19/2026 |
Added phasor diagrams, symmetrical components calculations,
and R-X impedance plane plotting of loop impedances.
|
| Android |
13 (3.2.1) |
5/24/2026 |
Fixed an issue when gesture navigation is used (thanks Josh!).
Fixed an issue specific to SEL-735 generated records.
Added a link to online Help directly from the app.
|
| Android |
30 (3.2.2) |
6/5/2026 |
Added support for SEL event records (.cev, .eve, and .evzip),
SEL Motor Start Reports (.msr and .cmsr),
Beckwith M-3425A, M-3430, and M-3311A .osc records,
S&C IntelliRupter waveform capture files (.wfc),
and ATP/EMTP .pl4 files.
|