Comparison

spacedesk vs Days备忘日

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
Read full description

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

Days备忘日

Features
Read full description

【功能】 * 支持iOS14桌面小组件 * 正数/倒数日子记录 * 多种颜色卡片选择 * 多张明信片式图片选择 * 自定义到期时间提醒 * 农历支持 * 重要日子排序(长按排序) * 搜索纪念日 * 纪念日按时间排序 * 遵循iOS最新设计模式 * iCloud同步备份纪念日 * 生物特性(Face ID, Touch ID) * 中国24节气支持 更多功能陆续添加中,等你来发现...... 【目标人群】 * 学生党: 记录每次考试时间;假期开始结束时间;高考倒计时;考研倒计时 ...... * 上班族: 薪水发放日;周报提醒;日报提醒 ...... * 爸爸妈妈们: 记录宝宝破壳日;宝宝定时体检日; 陪伴每一天 ...... * 恋人们:我们在一起多久啦;计划结婚啦;上次来姨妈是啥时候 ...... ...... 【安全与隐私】 * 充分保证用户隐私,您的所有数据全部安全存储在本机中,我们不会上传您的数据。

Screenshots

spacedesk4 screens
Days备忘日4 screens

Verdict

The call

The clearest difference is price: spacedesk at Free against Days备忘日's $0.99. spacedesk also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (9.3 vs 15.6). Days备忘日's advantage is in-app purchases (none vs 11). On ads 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

CostPrice · In-app purchases · Ads · Monetization

spacedesk is free to download; Days备忘日 costs $0.99 up front. spacedesk sells 11 one-off in-app purchases. Days备忘日 asks for nothing beyond the download.

UpkeepUpdate frequency

spacedesk ships an update every 3 weeks, Days备忘日 every 2 months. The most recent releases landed on October 18, 2026 and October 8, 2026 respectively.

Scorecard4 real differences · 6 level
spacedesk versus Days备忘日: the parameters behind the verdict, then further details
ParameterspacedeskDays备忘日
PriceFree — better$0.99
Rating4.7 (2.2K ratings) — better—
Positive reviews71.3% of reviews—
Number of ratings2.2K — better—
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS9.3 — better15.6
Further details — not scored
Size17 MB29 MB
Age rating4+4+
Developerdatronicsoft Technology GmbH勋 李

In-app purchases

11 purchases

spacedesk

One-time11
  • Business License: 46-50 Conn.$9.00
  • Business License: 41-45 Conn.$18.00
  • Business License: 1 connection$19.00
Show 8 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: 6-10 Conn.$70.00
  • Business License: 2-5 Conn.$79.00
None

Days备忘日

No in-app purchases

Questions

Is spacedesk free?
spacedesk is free to download, with in-app purchases available.
Is Days备忘日 free?
Days备忘日 costs $0.99, with no in-app purchases.
Do spacedesk or Days备忘日 have ads?
Neither spacedesk nor Days备忘日 shows ads.
Which is updated more often, spacedesk or Days备忘日?
spacedesk ships an update every 3 weeks, and Days备忘日 every 2 months. Most recently, spacedesk was updated on October 18, 2026 and Days备忘日 on October 8, 2026.

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