Comparison

Modelar vs Robot72

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

Head to head
About

Modelar

Capture 3D scans of real-world spaces using LiDAR technology. Review, measure, and export detailed point clouds and textured 3D models in various open formats. Ideal for field documentation and spatial data collection.

Highlights
  • Capture LiDAR scans
  • Create textured 3D models
  • Take 4K position-linked snapshots
  • Measure distances on-site
  • Export in common 3D formats
  • Browse captured images on device
Features
Read full description

Modelar helps you scan, review, measure, and export real-world spaces with LiDAR. Capture 3D scans of sites, rooms, objects, and assets using point clouds, textured 3D models, images, and high-resolution position-linked snapshots. See what you’ve captured while you scan, review results directly on device, measure before leaving the site, and export useful 3D data in open formats. Modelar is built for field documentation, inspection, site capture, and spatial data collection. Key features: • Capture LiDAR scans with point clouds and textured 3D models • Take 4K snapshots linked to capture position • Browse the full image set directly on device • View point clouds and textured models after capture • Measure distances before leaving the site • Export models and point clouds in common formats Modelar requires an iPhone Pro with LiDAR or iPad Pro with LiDAR. Mesh exports: GLB, USDZ, OBJ, STL, PLY, Sketchfab Point cloud exports: E57, LAS, PLY, CSV, Sketchfab Scan export: Modelar archive, COLMAP project https://modelar.ai

About

Robot72

Decode and send slow-scan television (SSTV) images from ham radio or the International Space Station. View ISS passes, save and share your creations, and even fix distorted images. Offers a free version with limitations and a one-time purchase Pro option.

Highlights
  • Decode SSTV audio to images
  • Send photos via SSTV
  • View ISS pass predictions
  • Support for 31 SSTV modes
  • Image correction and history
  • Optional Pro version with WAV export
Features
Read full description

Robot72 turns pictures into slow-scan television (SSTV) audio, and SSTV audio back into pictures. Decode images from ham radio, from the International Space Station or from a friend's phone, and send your own photos to any SSTV receiver. RECEIVE Tap Listen and hold your iPhone near the radio's speaker. Robot72 reads the VIS header, picks the mode and draws the picture line by line. To decode a WAV recording, tap File. Reception keeps going when the screen is locked, with progress in a Live Activity. SEND Pick a photo, choose the mode your contact uses, add a caption if you like, and play it through the speaker or a cable into your radio. Pro also exports the audio as a WAV file. ISS PASSES Enter your location or use the current one, and Robot72 lists ISS passes for the next 48 hours with peak elevation and direction. Turn on reminders to get a notification a few minutes before each pass. Predictions are calculated on your iPhone from CelesTrak orbital data; your location is not uploaded. 31 MODES Robot 8/12/24/36 BW, Robot 12/24/36/72 Color, PD 50/90/120/160/180/240/290, Martin 1–4, Scottie 1/2/3/4/DX, Wraase SC2 30/60/120/180, Pasokon P3/P5/P7. HISTORY AND FIXES Every picture you receive or send is kept in History with its mode and time. Fix a slanted or shifted image, then save or share it. History has no limit. FREE AND PRO Any mode can be decoded and viewed for free. Robot 36 and Robot 72 can be saved, shared and sent for free, with a small watermark. To save or send one picture in another mode, watch a short video, up to 3 times a day. Robot72 Pro is a one-time purchase that unlocks every mode, removes the watermark and adds WAV export. No subscription. PRIVACY Audio and pictures are processed on your iPhone. Robot72 sends anonymous usage events that are not linked to you, and does not track you across apps. Rewarded videos are non-personalized; there are no banner or pop-up ads.

Screenshots

Modelar4 screens
Robot724 screens

Verdict

The call

The clearest difference is in-app purchases: Modelar at none against Robot72's 2. Modelar also leads on ads (none vs shown) and update cadence (weekly vs every 3 weeks). On price, rating, review sentiment 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. Robot72 sells 2 one-off in-app purchases. Modelar asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Robot72 holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: Modelar has 115 ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 94% of Modelar's written reviews are positive against 100% of Robot72's.

UpkeepUpdate frequency

Modelar ships an update weekly, Robot72 every 3 weeks. The most recent releases landed on November 7, 2026 and November 9, 2026 respectively.

Scorecard5 real differences · 5 level
Modelar versus Robot72: the parameters behind the verdict, then further details
ParameterModelarRobot72
PriceFreeFree
Rating4.7 (115 ratings)4.9 (14 ratings) — better
Positive reviews93.5% of reviews100.0% of reviews — better
Number of ratings115 — better14
Update frequencyWeekly — betterEvery 3 weeks
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS18.618.2 — better
Further details — not scored
Size31 MB38 MB
Age rating4+4+
DeveloperModelar Technologies晨阳 段

Customer experience

Modelar

All ratings115 ratings
Positive91.3%
Neutral3.5%
Negative5.2%
Written reviews31 reviews
Positive93.5%
Neutral0.0%
Negative6.5%

Robot72

All ratings14 ratings
Positive92.9%
Neutral7.1%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Modelar

No in-app purchases

2 purchases

Robot72

One-time2
  • Pro — Special Offer$2.99
  • Robot72 Pro$4.99

Questions

Is Modelar free?
Modelar is free to download, with no in-app purchases.
Is Robot72 free?
Robot72 is free to download, with in-app purchases available.
Which has better reviews, Modelar or Robot72?
Robot72 is rated higher. Modelar averages 4.7 out of 5 from 115 ratings, while Robot72 averages 4.9 from 14 ratings.
Do Modelar or Robot72 have ads?
Robot72 shows ads; Modelar does not.
Which is updated more often, Modelar or Robot72?
Modelar ships an update weekly, and Robot72 every 3 weeks. Most recently, Modelar was updated on November 7, 2026 and Robot72 on November 9, 2026.

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