iSEE+ vs TrafoCalc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iSEE+
This utility app connects to a compatible device to display real-time video from a lens directly on your phone. It allows users to capture photos and videos of the live feed for later review, offering a convenient way to visualize and document. Useful for various professional applications.
- Real-time video display
- Connects via WiFi
- Photo capture
- Video recording
- Save and compare recordings
Read full descriptionHide full description
This app is a tool application for otoscope or acne extrusion. When the mobile phone wifi is connected with the device, the real-time video of the lens can be displayed on the mobile phone, which can be conveniently used in various industries. At the same time, when you preview the real-time screen, you can take photos and video to save the screen or video, and compared with the previous save, it is quite convenient.
TrafoCalc
Read full descriptionHide full description
TrafoCalc is a practical transformer calculation tool built specifically for field engineers, commissioning teams, and utility professionals. Designed for real-world use at substations and test sites, TrafoCalc provides fast, reliable calculations without spreadsheets or manual formulas. Key Features • Rated current calculation (HV & LV, 3-phase) • Transformer ratio calculation based on vector group • Full tap-changer support (Tap 1 = highest voltage) • Per-tap voltage and ratio calculation • ±0.5% ratio tolerance range for testing reference • Short-circuit current calculation • Supports common IEC vector groups (Dyn, YNd, Yy) • Clean, offline-ready interface Built for Professionals TrafoCalc follows IEC-based formulas and is suitable for: • Factory Acceptance Tests (FAT) • Site Acceptance Tests (SAT) • OLTC verification • Ratio testing reference • Substation commissioning No ads. No clutter. Just the calculations engineers actually need.
Screenshots
Verdict
The clearest difference is price: iSEE+ at Free against TrafoCalc's $0.99. iSEE+ also leads on iOS requirement (9.0 vs 18.2). TrafoCalc's advantage is update cadence (every 9 days vs every 2 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
iSEE+ is free to download; TrafoCalc costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
iSEE+ ships an update every 2 months, TrafoCalc every 9 days. The most recent releases landed on September 3, 2026 and September 8, 2026 respectively.
| Parameter | iSEE+ | TrafoCalc |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 2.3 (47 ratings) — better | — |
| Positive reviews | 39.3% of reviews | — |
| Number of ratings | 47 — better | — |
| Update frequency | Every 2 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 9.0 — better | 18.2 |
| Further details — not scored | ||
| Size | 81 MB | 4 MB |
| Age rating | 9+ | 4+ |
| Developer | Black Bee Intelligent Manufacturing (Shenzhen) Technology Co., Ltd. | Mohd Dahnial Ismail |
In-app purchases
iSEE+
No in-app purchases
TrafoCalc
No in-app purchases









