Comparison

Spektrum AS3X Programmer vs Mobileraker

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

Head to head
About

Spektrum AS3X Programmer

This free app allows users to program Spektrum AS3X receivers with an intuitive interface. Customize flight modes, servo settings, and channel mapping for an expertly tuned flying experience. Compatible with select Spektrum AS3X receivers.

Highlights
  • Create AS3X flight modes
  • Activate wing and tail mixes
  • Make servo adjustments
  • Adjust dual rate and expo
  • Map output for each channel
  • Make gain adjustments
Features
Read full description

This free AS3X® programming app is for use with next generation Spektrum™ AS3X receivers. Using its intuitive graphical interface you can: - Create different AS3X flight modes - Activate different wing and tail mixes - Make servo adjustments: reverse, subtrim, travel and balance - Adjust dual rate and expo - Map output for each channel - Make gain adjustments And more! It is compatible with the following Spektrum AS3X receivers: · AR6335 6-Channel Nanolite (SPMAR6335) · AR636 6-Channel Sport (SPMAR636) · AR7350 7-Channel (SPMAR7350) · AR9350 9-Channel (SPMAR9350) A Spektrum AS3X Programming Cable with Audio Connector (SPMA3080) is required. What is AS3X Technology? AS3X (Artificial Stabilization – 3-aXis) technology is a combination of 3-axis sensors and exclusive software that works behind the scenes to smooth out the effects of disruptive forces like turbulence and torque. It doesn’t limit your control or fly the plane for you. You simply feel like you’re flying an expertly tuned model that does exactly what you want. To learn more about AS3X technology, visit spektrumrc.com/AS3X.

About

Mobileraker

Control and monitor your Klipper 3D printer from your mobile device. Features include real-time print visualization, precision control, advanced monitoring, and file management.

Highlights
  • Real-time print visualization
  • Precision axis and temperature control
  • Advanced monitoring dashboard
  • Filament system management
  • Multi-printer fleet control
  • File management
  • Macro control
Features
Read full description

Take control of your Klipper 3D printing experience like never before! Mobileraker puts professional-grade monitoring and precision control right in your pocket, transforming how you interact with your printer. REVOLUTIONARY PRINTING CONTROL Unleash the full potential of your Klipper-powered printer with an intuitive interface that gives you complete command over every aspect of your printing process. From anywhere, anytime! POWERFUL FEATURES AT YOUR FINGERTIPS • Real-Time Print Visualization: Watch your designs come to life with GCode preview and live print tracking • Smart Print Management: Control jobs instantly with pause, resume, or stop functions while getting real-time progress updates • Precision Control Suite: Command all axes with pinpoint accuracy and perfectly manage temperatures across multiple extruders • Advanced Monitoring Dashboard: Visualize bed mesh data in stunning detail and track temperature fluctuations in real-time • Intelligent Filament System: Master your inventory with Spoolman integration and stay ahead of issues with filament sensor alerts • Fully Customizable Interface: Create your perfect command center by arranging controls exactly how you want them • Complete File Command: Upload, download, zip, edit, and manage files with unprecedented ease • Macro Mastery: Streamline complex operations with grouped GCode macros at your command • Multi-Printer Fleet Control: Manage your entire printing ecosystem from one powerful interface ENHANCED PRINTING EXPERIENCE • Multi-Camera Monitoring: Keep eyes on your print from every angle with advanced camera integration • Interactive GCode Console: Communicate directly with your printer through an intuitive command interface • Smart Notifications: Stay informed with customizable alerts about your print status, no matter where you are • Temperature Preset System: Switch between your most-used settings with lightning speed • Secure Remote Access*: Maintain rock-solid connections through Octoeverywhere, Obico, or your custom setup LEARN MORE Discover all capabilities and latest updates on Mobileraker's GitHub page. LEGAL INFORMATION Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.iubenda.com/privacy-policy/19183925/full-legal *Remote access requires connection through Octoeverywhere, Obico, or manual setup with VPN, reverse proxy, or similar.

Screenshots

Spektrum AS3X Programmer1 screens
Mobileraker4 screens

Verdict

The call

The clearest difference is review sentiment: Mobileraker at 81% against Spektrum AS3X Programmer's 11%. Mobileraker also leads on rating (4.9 vs 2.2) and update cadence (every 5 weeks vs every 6 months). Spektrum AS3X Programmer's advantage is in-app purchases (none vs 10) and ads (none vs shown). On price 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

Both are free to download. Mobileraker sells 10 in-app purchases, starting at $1.99 per month. Spektrum AS3X Programmer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Mobileraker holds the better App Store score, 4.9 against 2.2. That said, the two scores are not equally well evidenced: Mobileraker has 904 ratings behind it against 62, so its average is the more settled of the two. Written reviews point the same way: 11% of Spektrum AS3X Programmer's written reviews are positive against 81% of Mobileraker's.

UpkeepUpdate frequency

Spektrum AS3X Programmer ships an update every 6 months, Mobileraker every 5 weeks. Both last shipped on October 14, 2026.

Scorecard8 real differences · 2 level
Spektrum AS3X Programmer versus Mobileraker: the parameters behind the verdict, then further details
ParameterSpektrum AS3X ProgrammerMobileraker
PriceFreeFree
Rating2.2 (62 ratings)4.9 (904 ratings) — better
Positive reviews10.6% of reviews81.0% of reviews — better
Number of ratings62904 — better
Update frequencyEvery 6 monthsEvery 5 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS8.0 — better15.6
Further details — not scored
Size23 MB130 MB
Age rating4+4+
DeveloperHorizon HobbyPatrick Schmidt

Customer experience

Spektrum AS3X Programmer

All ratings61 ratings
Positive23.0%
Neutral9.8%
Negative67.2%
Written reviews47 reviews
Positive10.6%
Neutral0.0%
Negative89.4%

Mobileraker

All ratings904 ratings
Positive97.5%
Neutral1.4%
Negative1.1%
Written reviews84 reviews
Positive81.0%
Neutral11.9%
Negative7.1%

User reviews

Spektrum AS3X Programmer

From 62 App Store ratings

What we love

  • 👍 Good layout, easy to use (Gahspidy)
  • 👍 Nice App, well laid out (Woolyhair)
  • 👍 Works great on multiple iPhones (rcheli108)
  • 👍 New app fixes issues (poodle35)

Room to improve

  • ❌ Not supported AR630 receiver (stuthefoo)
  • ❌ Not supported AR631 receiver (jensonearth)
  • ❌ No support for helicopters (eric823785862847582738472)
  • ❌ Graphics misalignment (txkflier)
  • ❌ No app for NX6 (bjonesy68)

Mobileraker

From 904 App Store ratings

What we love

  • 🚀 Responsive and fast
  • 👍 Great user interface
  • 💡 Excellent Klipper support
  • 🔒 Secure remote access
  • 👍 Versatile monitoring and control

Room to improve

  • 🐛 Occasional connectivity issues
  • 💰 Ads in free version
  • 🔒 Concerns about monetization

Bugs and requests

Spektrum AS3X Programmer

Reported bugs

14 issues
  • 🐛 App crashes constantly (eric823785862847582738472, mqvw, Supergreekster, Chloe Prince, TaylorcBa, Hallucion)
  • 🐛 Graphics misalignment (txkflier, Gahspidy, Supergreekster)
  • 🐛 Drops connections (mqvw, FCVDM, rcfkyer)
  • 🐛 Does not connect to receivers (leddhedd528, specktrum user, LeDotB, Gusmann)
  • 🐛 Receiver craped out after update (gianny911)
Show 9 more
  • 🐛 Throttle settings not working correctly (Blackopsr)
  • 🐛 Loses synchronization with receiver (Docdan1954)
  • 🐛 Doesn't retain settings (Docdan1954)
  • 🐛 Difficult to trim servos (Docdan1954)
  • 🐛 App unstable on iPhone/Android (PedroGCAS)
  • 🐛 No indicator for reading/writing (C182-Pilot)
  • 🐛 App crashes when scrolling through model types (TaylorcBa)
  • 🐛 Doesn't recognize receivers on newer iPhones (Hungpham55, Chuck 77)
  • 🐛 Bluetooth dongle issues (jensonearth, FCVDM, specktrum user, LeDotB, Mac Gramps)

Requested features

14 requests
  • 💡 Update app for newer receivers (stuthefoo, nate1490)
  • 💡 Support for helicopters (eric823785862847582738472)
  • 💡 Fix graphics misalignment (txkflier)
  • 💡 App for NX6 (bjonesy68)
  • 💡 Import model feature (Tupolev pilot, Cables55)
Show 9 more
  • 💡 Update app (Mulkey71)
  • 💡 Add "safe" switch option (Woolyhair)
  • 💡 Allow trim buttons on radio to work (Woolyhair)
  • 💡 Add factory setups for Horizon BNF planes (Cables55)
  • 💡 Indicator for reading/writing to receiver (C182-Pilot)
  • 💡 Instruction manual for apps (C182-Pilot)
  • 💡 Support for iPhone 6 (rui_s, Chuck 77)
  • 💡 Support for DXe transmitter (Adam Bomb #1, mankato, Jeffropaige, Blues Shack)
  • 💡 Allow helicopter selection (axolotls)

Mobileraker

Reported bugs

2 issues
  • Webcam not working when printer is off
  • Socket errors and timeouts

Requested features

4 requests
  • Customizable dashboard layout
  • Persistent temperature/time prediction display
  • Apple Watch integration
  • Decimal support for temperature adjustments

In-app purchases

None

Spektrum AS3X Programmer

No in-app purchases

10 purchases

Mobileraker

Subscriptions4
  • Monthly Supporter1 Month trial$1.991 Month
  • Base$4.991 Month
  • Gold$9.991 Month
Show 1 more
  • Yearly Supporter$19.991 Year
One-time6
  • Tip the Dev$2.00
  • Tip the Dev$4.00
  • Tip the Dev$9.00
Show 3 more
  • Tip the Dev$22.00
  • Lifetime Supporter Promotion$29.99
  • Lifetime Supporter$39.99

Questions

Is Spektrum AS3X Programmer free?
Spektrum AS3X Programmer is free to download, with no in-app purchases.
Is Mobileraker free?
Mobileraker is free to download, with in-app purchases available.
Which has better reviews, Spektrum AS3X Programmer or Mobileraker?
Mobileraker is rated higher. Spektrum AS3X Programmer averages 2.2 out of 5 from 62 ratings, while Mobileraker averages 4.9 from 904 ratings.
Do Spektrum AS3X Programmer or Mobileraker have ads?
Mobileraker shows ads; Spektrum AS3X Programmer does not.
Which is updated more often, Spektrum AS3X Programmer or Mobileraker?
Spektrum AS3X Programmer ships an update every 6 months, and Mobileraker every 5 weeks. Most recently, Spektrum AS3X Programmer was updated on October 14, 2026 and Mobileraker on October 14, 2026.

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