Call2U vs SeamSmart
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Call2U
Forward calls from an Ipervoice system to your mobile device. Answer calls, control door or car entrance access, and temporarily mute your microphone.
- Call forwarding
- Answer calls remotely
- Door/entrance access control
- Temporary microphone mute
- Ipervoice system integration
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App to forward the call from Ipervoice system to a mobile device. It gets possible to answer, to open the door or the car entrance and to close the mobile microphone for a while.
SeamSmart
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SeamSmart is an iOS application that can support sewing training by presenting metrics providing feedback on how well a user can sew along a given line at a constant distance. To use the app, print one of the provided training sheets on an A4 sheet of cardboard paper, sew along the printed target line along a distance, take a photo of your training sheet, and use the app to analyze your result. SeamSmart is a supplementary iOS application to the research publication Lahaye et al., How’s Your Sewing? Investigating Metrics to Automatically Assess Sewing Expertise, CHI EA ’24
Screenshots
Verdict
The clearest difference is update cadence: SeamSmart at every 4 days against Call2U's every 6 months. Call2U's advantage is iOS requirement (9.0 vs 17.0). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Call2U ships an update every 6 months, SeamSmart every 4 days. The most recent releases landed on October 21, 2026 and October 9, 2026 respectively.
| Parameter | Call2U | SeamSmart |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| Update frequency | Every 6 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 9.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 18 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | URMET SpA | RWTH Aachen University |
In-app purchases
Call2U
No in-app purchases
SeamSmart
No in-app purchases
