Tersa: Circuit Simulator
30 days old
Not in any tracked top chart right now.
Updated 20 Oct 2026 · rankings refresh through the day
DeveloperDenis Kosov
CategoryDeveloper Tools
PriceFree
Released
Rating★ 0.0 (0)
Version1.0.2
Age rating4+
First seen by us
29 Sep 2026
29 Sep 2026Rating
0.0 ★
0 ratings
Measured
Tersa: Circuit Simulator on the App Store
App details
App ID
6805903884
Publisher
Denis Kosov
On the store since
Sep 2026
Under a year
Minimum OS
iOS 13.0+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
6
EN DE JA KO RU ZH
Size
128 MB
Also listed in
Education
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
0.0 ★
0 ratings
Measured
Ratings
0
Measured
About Tersa: Circuit Simulator
Tersa is a touch-first workspace for learning, reviewing, and tuning small analog and RF circuits on iPhone and iPad.
Build editable schematics, configure DC operating point, DC sweep, AC and transient analyses, and inspect measurements on clear plots. For linear two-port work, review S11, S12, S21 and S22, return and insertion loss, and raw complex data on a Smith chart.
Use local sample projects to explore RC and LC filters. Change supported component values with the tuner and run the analysis again without rebuilding the project. Import supported SPICE model cards and subcircuits when a circuit needs them.
Simulation runs locally on the device. Results depend on the circuit, models, and numerical settings and must be independently verified before fabrication or safety-related use.
Build editable schematics, configure DC operating point, DC sweep, AC and transient analyses, and inspect measurements on clear plots. For linear two-port work, review S11, S12, S21 and S22, return and insertion loss, and raw complex data on a Smith chart.
Use local sample projects to explore RC and LC filters. Change supported component values with the tuner and run the analysis again without rebuilding the project. Import supported SPICE model cards and subcircuits when a circuit needs them.
Simulation runs locally on the device. Results depend on the circuit, models, and numerical settings and must be independently verified before fabrication or safety-related use.
Latest updates
1.0.2
• Added reliable offline project access and synchronization after reconnecting.
• Fixed project renaming and migration of existing projects to an account without duplicates.
• Improved analysis setup, simulation execution, tuner updates and RF plot calculations.
• Double-tap a component to start a connection faster. Wire routing and junction editing are also improved.
• Added feedback from Settings with an optional reply email.
• Improved component and schematic properties, error messages, performance and touch interactions.
1.0.1
This update introduces a universal iPhone and iPad experience, improves account sign-in reliability, and refines touch controls and navigation.
1.0
Store changes
What Tersa: Circuit Simulator changed on its store page: name, icon, screenshots, price, size, languages, requirements.
Description updated
New screenshots
6 screenshots (was 7)