Comparison

spacedesk vs LetsGeo

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

spacedesk

Extend your Windows PC's desktop to another device wirelessly or via USB. Use your tablet or phone as a drawing tablet or a portable second monitor for travel and productivity.

Highlights
  • Windows desktop extension
  • Screen mirroring
  • Remote desktop viewer
  • Drawing tablet functionality
  • Wireless display monitor
  • USB display monitor
  • Remote control
Features
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Windows computer desktop extension, mirroring and remoting tool for WiFi, USB or LAN. Supports applications like: - Screen Cast (to television, tablet or smart phone) - Desktop Remoting Viewer (over USB and Local Area Network) - Drawing Tablet (drawing and painting with digitizer pen) - Wireless Display Monitor (similar to Miracast, RDP, AirPlay and Sidecar) - USB Display Monitor (similar to DisplayLink) - Remote Access (over USB link, WiFi and LAN) - Remote Control (wireless and wired) - Screen Streaming (including audio) - Screen Mirroring (over the air and via cable) - Screen Cloning - Extension Screen - Windows Desktop Workspace Extension - Windows Desktop Duplication (clone) - Windows Desktop Streaming - Personal Computer Desktop Presenter - Virtual Monitor for Desktop PC - Second Display On The Go - TV, mobile or tablet screen as Side by Side Display - Alternative to Miracast, AirPlay and Sidecar - Portable Multimonitor Screen for Travel - Access main computer from mobile device - Software KVM-Switch (Keyboard Video Mouse) - Software Display Hub - Software Display Switch - Projector Screen Viewer - Input Console - Input Terminal - Tablet Input Device - Windows Graphics Tablet App - Windows Tablet as sketchbook for drawing artwork - Creative Video Wall App - Video Wall w. Any Angle Rotation Instruction manual, documentation and detailed setup: https://manual.spacedesk.net Quick Guide: 1. Install spacedesk DRIVER software for Windows Primary PC. Download from: https://www.spacedesk.net 2. Install this spacedesk Viewer app for iOS. 3. Open this spacedesk Viewer app and connect to Windows Primary PC. Connection: USB or LAN (Local Area Network). LAN: Driver and Viewer must be on the same network - via Mobile Hotspot Note: Does NOT need internet connection! The Windows Primary Machine running spacedesk Driver... ...supports Windows 11, Windows 10 or Windows 8.1. Apple Macs are not supported. Dual monitor and multi monitor configurations are supported. Needs spacedesk drivers installed. Download: https://www.spacedesk.net The Secondary Machine or Device (iOS network display client)... ...is an iPad, iPhone or device running the spacedesk iOS app. The wireless and wired cable connection... ...connects Windows Primary Machine to Secondary Machine or Device over USB, LAN (Local Area Network e.g. Ethernet) and/or WLAN (Wireless Local Area Network). Local Area Network connection can be wired or over WiFi. TCP/IP network protocol is required. More information on: https://www.spacedesk.net Instruction Manual: https://manual.spacedesk.net/ Support Forum: https://forum.spacedesk.net/ Facebook: https://www.facebook.com/pages/spacedesk/330909083726073 Youtube: https://www.youtube.com/watch?v=YkWZSwBD-XY — LIGHTNING FAST — To achieve unparalleled performance and display quality with zero lag, use cable connection over USB or Local Area Network. Try to circumvent WiFi and network routers. E.g. configure Windows PC or iOS device as WiFi Access Point (Hotspot) and connect directly before connecting spacedesk. Please check chapter "Performance Tuning" in the instruction manual: https://manual.spacedesk.net — REMOTE CONTROL INPUT AND OUTPUT PERIPHERAL ACCESSORIES — - Touchscreen (multitouch and single touch - Touchpad - Mouse Pointer Control - Keyboard - Pressure Sensitive Stylus Pen - Audio Speaker — SETTINGS AND OPTIONS — - Landscape View - Portrait View — SYSTEM SUPPORT — Supported are iOS versions 11.x+ (including MacOS on Apple Silicon Chips) and PCs with Windows 11, Windows 10 and Windows 8.1. Apple Macs are not supported.

About

LetsGeo

Features
Read full description

Let’sGeo - Professional Geological Field Logging App Let’sGeo is an offline-first app for geological and geotechnical logging, drilling and mineral exploration. Designed for fieldwork and core sheds, it combines geological observations, structural measurements, drilling data and mapping. Works fully offline, with optional upload to your own servers. Key Features Geological & structural logging - Field points: lithology, mineralization, alteration and weathering - Geological codes and free-text descriptions - Compass and clinometer for dip and dip direction - Bedding, joints, faults, shear zones and veins - Vein thickness, mineralogy and density - Schmidt & Wulff stereonets Drilling & sampling - Drillhole runs and recovery tracking - Interval sampling with metadata - Geological samples linked to logging intervals Geotechnical logging - Single structural records linked to depth - Interval-based geotechnical domains - Core recovery, SCR and RQD - Rock mass parameters and fracture angle classes - Core boxes with depth-linked photos Mapping & GIS - GPS points and drillholes - WGS-84, UTM and Gauss-Krüger coordinates - GPS tracks and accuracy recording - Custom markers, colors and visibility controls - Compass-oriented maps with live azimuth - Distance and true bearing to points and drillholes - KMZ layers with drawing and editing tools - KMZ layer ordering and management - Offline satellite imagery - Spectral maps for mineral exploration - SWIR lithology, clay alteration and iron oxide composites - Download spectral scenes for offline interpretation Reference Collection - Project-based geological reference collections - Rock photos, descriptions and geological notes - Import and export between projects and devices - Reference image similarity search - Compare field photos with reference samples - Find similar rocks using image analysis of color, grain characteristics, textures and veins Media & data - Photos, video and audio linked to observations - Geological field sketch sheets - Photo annotation and markup - Local offline data storage - Full project export and import - Project Database Archive export - Merge archives from multiple devices - Cross-platform exchange between Android and iOS Connect DB - Your Own Server - Direct project upload to your PostgreSQL database - Optional S3-compatible storage for media - Use your own company or project infrastructure - Multiple geologists can upload to one shared project - Incremental upload: add new and update changed records - Unchanged records are skipped - Existing server data is preserved - Manual, one-way upload without automatic downloads - No developer-operated cloud required Privacy & Data Control Let’sGeo works offline and stores project data locally. Connect DB optionally uploads data directly to your own PostgreSQL database and S3-compatible storage. No developer-operated cloud is required. Your data. Your infrastructure. Your control. Privacy Policy: https://letsgeo.world/privacy.php Terms of Use (EULA): https://letsgeo.world/terms.php

Screenshots

spacedesk4 screens
LetsGeo4 screens

Verdict

The call

The clearest difference is update cadence: LetsGeo at weekly against spacedesk's every 3 weeks. spacedesk's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.6). On price, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. spacedesk sells 10 one-off in-app purchases and LetsGeo sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

spacedesk ships an update every 3 weeks, LetsGeo weekly. The most recent releases landed on November 13, 2026 and November 9, 2026 respectively.

Scorecard3 real differences · 7 level
spacedesk versus LetsGeo: the parameters behind the verdict, then further details
ParameterspacedeskLetsGeo
PriceFreeFree
Rating4.7 (2.3K ratings) — better—
Positive reviews71.1% of reviews—
Number of ratings2.3K — better—
Update frequencyEvery 3 weeksWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better18.6
Further details — not scored
Size8 MB89 MB
Age rating4+4+
Developerdatronicsoft Technology GmbHLetsmine SIA

In-app purchases

10 purchases

spacedesk

One-time10
  • Business License: 46-50 Conn.$9.00
  • Business License: 41-45 Conn.$18.00
  • Business License: 1 connection$19.00
Show 7 more
  • Business License: 36-40 Conn.$25.00
  • Business License: 31-35 Conn.$35.00
  • Business License: 26-30 Conn.$45.00
  • Business License: 21-25 Conn.$50.00
  • Business License: 16-20 Conn.$59.00
  • Business License: 11-15 Conn.$60.00
  • Business License: 2-5 Conn.$79.00
1 purchases

LetsGeo

Subscriptions1
  • Full Access Monthly$4.991 Month

Questions

Is spacedesk free?
spacedesk is free to download, with in-app purchases available.
Is LetsGeo free?
LetsGeo is free to download, with in-app purchases available.
Do spacedesk or LetsGeo have ads?
Neither spacedesk nor LetsGeo shows ads.
Which is updated more often, spacedesk or LetsGeo?
spacedesk ships an update every 3 weeks, and LetsGeo weekly. Most recently, spacedesk was updated on November 13, 2026 and LetsGeo on November 9, 2026.

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