Comparison

Stamp STL Maker vs OBJ & MTL Simple Viewer

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

Head to head
About

Stamp STL Maker

Design custom 3D printable stamps from logos, images, or text. Generate high-quality STL files for your 3D printer with features like curved text and 3D preview.

Highlights
  • Create stamps from logos, images, or text
  • Generate STL files for 3D printing
  • Multiple base shapes
  • Curved text alignment
  • Adjustable stamp depth
  • Intuitive 3D preview
Features
Read full description

Stamp STL Maker is the ultimate tool for creating custom 3D printable stamps. Whether you want to turn a logo, an image, or custom text into a stamp, our app generates a high-quality STL file ready for your 3D printer. Features include multiple base shapes, curved text alignment, adjustable stamp depth, and an intuitive 3D preview. Terms of Use: https://sites.google.com/view/stamp-stl-maker/term-of-use

About

OBJ & MTL Simple Viewer

Easily view and export 3D OBJ files with this application. It supports OBJ, MTL, and texture files, and allows for intuitive manipulation like rotating, panning, and zooming. Gain insights into your models with detailed information and customize rendering options for a better viewing experience.

Highlights
  • Load OBJ, MTL, and texture files
  • Load from ZIP files
  • Rotate, pan, and zoom 3D models
  • Orthogonal and perspective viewing modes
  • View model info (mesh, material, texture count)
  • Customizable rendering options (faces, edges, points)
  • Clipping plane for interior viewing
Features
Read full description

OBJ & MTL Simple Viewer is a great app to quickly view 3D OBJ files. Features: - Loads OBJ, MTL & textures. - Loads from a ZIP file. - Graphic operations for Rotating, panning, zooming. - View your model in Orthogonal or Perspective mode. - Obtain info on the model: mesh count, material count, texture count, bounding box. - Set up rendering options: faces, edges, points, transparency. - Render using a clipping plane (useful for viewing interiors). Please contact us for support or questions: support@boviosoft.com

Screenshots

Stamp STL Maker4 screens
OBJ & MTL Simple Viewer3 screens

Verdict

The call

The clearest difference is review sentiment: Stamp STL Maker at 50% against OBJ & MTL Simple Viewer's 13%. Stamp STL Maker also leads on rating (3.0 vs 2.7) and monetization model (ad-supported vs free with in-app purchases). OBJ & MTL Simple Viewer's advantage is ratings volume (3 vs 1) and iOS requirement (11.0 vs 17.0). On price, ads, in-app purchases 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. Stamp STL Maker sells 5 in-app purchases, starting at $2.99 per month and OBJ & MTL Simple Viewer sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Stamp STL Maker holds the better App Store score, 3.0 against 2.7. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews point the same way: 50% of Stamp STL Maker's written reviews are positive against 13% of OBJ & MTL Simple Viewer's.

Scorecard5 real differences · 5 level
Stamp STL Maker versus OBJ & MTL Simple Viewer: the parameters behind the verdict, then further details
ParameterStamp STL MakerOBJ & MTL Simple Viewer
PriceFreeFree
Rating3.0 (1 ratings) — better2.7 (3 ratings)
Positive reviews50.0% of reviews — better12.5% of reviews
Number of ratings13 — better
Update frequencyEvery 2 months—
AdsYesYes
In-app purchasesYesYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.011.0 — better
Further details — not scored
Size60 MB13 MB
Age rating4+4+
DeveloperCloudSpirit LimitedVictor Bovio

Customer experience

Stamp STL Maker

All ratings1 ratings
Positive0.0%
Neutral100.0%
Negative0.0%
Written reviews2 reviews
Positive50.0%
Neutral50.0%
Negative0.0%

OBJ & MTL Simple Viewer

All ratings3 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews8 reviews
Positive12.5%
Neutral12.5%
Negative75.0%

In-app purchases

5 purchases

Stamp STL Maker

Subscriptions2
  • Stamp Maker Pro Monthly$2.991 Month
  • Stamp Maker Pro Yearly$14.991 Year
One-time3
  • Font Pack Classic$1.99
  • Font Pack Signature$1.99
  • Stamp Maker Pro Lifetime$19.99
2 purchases

OBJ & MTL Simple Viewer

One-time2
  • Remove Ads$0.99
  • Export to STL, DXF$1.99

Questions

Is Stamp STL Maker free?
Stamp STL Maker is free to download, with in-app purchases available.
Is OBJ & MTL Simple Viewer free?
OBJ & MTL Simple Viewer is free to download, with in-app purchases available.
Which has better reviews, Stamp STL Maker or OBJ & MTL Simple Viewer?
Stamp STL Maker is rated higher. Stamp STL Maker averages 3.0 out of 5 from 1 ratings, while OBJ & MTL Simple Viewer averages 2.7 from 3 ratings.
Do Stamp STL Maker or OBJ & MTL Simple Viewer have ads?
Both Stamp STL Maker and OBJ & MTL Simple Viewer show ads.

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