# SightSpace Pro AR for SketchUp vs Tasks+Cal+Sync 4

The clearest difference is price: SightSpace Pro AR for SketchUp at Free against Tasks+Cal+Sync 4's $14.99. SightSpace Pro AR for SketchUp also leads on update cadence (every 2 months vs every 20 months). Tasks+Cal+Sync 4's advantage is iOS requirement (10.0 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

SightSpace Pro AR for SketchUp is free to download; Tasks+Cal+Sync 4 costs $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SightSpace Pro AR for SketchUp ships an update every 2 months, Tasks+Cal+Sync 4 every 20 months. The most recent releases landed on October 10, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | SightSpace Pro AR for SketchUp | Tasks+Cal+Sync 4 |
| --- | --- | --- |
| Price | **Free** | $14.99 |
| Rating | — | **[1.0 (2 ratings)](https://appshunter.io/ios/app/tasks-plus-cal-plus-sync-4/id1166018485/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 4.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 20 months |
| Monetization | **Free** | Paid |
| Size | 21 MB | 8 MB |
| Requires iOS | 18.0 | **10.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Limitless Computing](https://appshunter.io/developer/454578427) | [Lukas Zeller](https://appshunter.io/developer/299521020) |

## What reviewers say

### SightSpace Pro AR for SketchUp

[App page](https://appshunter.io/ios/app/sightspace-pro-ar-for-sketchup/id972397963)

Visualize digital 3D models in real-world environments using augmented reality. Professionals can overlay designs onto existing structures, facilitating better client presentations and on-site collaboration. Supports popular file formats and offers tools for annotation and sharing.

**Highlights:** Overlay digital models onto real-world views, Supports SketchUp, KMZ, KML, and DAE files, Office-to-field communication, Annotate, edit, and share project photos, Integrates with external GPS, Virtual Reality experience support

**In-app purchases:** none


### Tasks+Cal+Sync 4

[App page](https://appshunter.io/ios/app/tasks-plus-cal-plus-sync-4/id1166018485)

This app synchronizes contacts, tasks, and calendars using the SyncML standard. It's designed for users who need to connect with older systems or specific organizational requirements that rely on this legacy synchronization technology.

**Highlights:** SyncML synchronization for contacts, tasks, and calendars, App-internal calendar and task management, iOS contact group assignment, Acts as a local SyncML server, Month, day, week, and list calendar views

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SightSpace Pro AR for SketchUp free?

SightSpace Pro AR for SketchUp is free to download, with no in-app purchases.

### Is Tasks+Cal+Sync 4 free?

Tasks+Cal+Sync 4 costs $14.99, with no in-app purchases.

### Do SightSpace Pro AR for SketchUp or Tasks+Cal+Sync 4 have ads?

Neither SightSpace Pro AR for SketchUp nor Tasks+Cal+Sync 4 shows ads.

### Which is updated more often, SightSpace Pro AR for SketchUp or Tasks+Cal+Sync 4?

SightSpace Pro AR for SketchUp ships an update every 2 months, and Tasks+Cal+Sync 4 every 20 months. Most recently, SightSpace Pro AR for SketchUp was updated on October 10, 2026 and Tasks+Cal+Sync 4 on October 16, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*