# STL Viewer vs Countpad

The clearest difference is review sentiment: STL Viewer at 100% against Countpad's 0%. Countpad's advantage is price (Free vs $0.99) and update cadence (every 5 days vs every 4 weeks). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Countpad is free to download; STL Viewer costs $0.99 up front. STL Viewer sells 5 in-app purchases, starting at $2.99 per month and Countpad sells 10 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

STL Viewer ships an update every 4 weeks, Countpad every 5 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | STL Viewer | Countpad |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/stl-viewer-3d-mesh/id6445801487/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 5 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 5 MB | 26 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Felipe Marques de Barros](https://appshunter.io/developer/1459294806) | [Jatupon Hongweing](https://appshunter.io/developer/1896471199) |

## What reviewers say

### STL Viewer

[App page](https://appshunter.io/ios/app/stl-viewer-3d-mesh/id6445801487)

View, explore, and edit 3D models on your iPhone or iPad. Basic viewing is included with purchase, with optional upgrades for advanced creation, editing, and reporting features. Models are processed locally for privacy.

**Highlights:** Open and view STL files, Rotate, pan, and zoom models, Basic model information inspection, Create and edit 3D models, Measure distances and angles, Export to multiple file formats, Generate local PDF reports

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| STL Viewer Pro Mensal | $2.99 | per month |
| STL Viewer Studio Mensal | $5.99 | per month |
| STL Viewer Pro Anual | $22.99 | per year |
| STL Viewer Studio Anual | $49.99 | per year |
| STL Viewer Pro Vitalício | $39.99 | one-time |


### Countpad

[App page](https://appshunter.io/ios/app/countpad-inventory-tracker/id6799657980)

Easily track your stock with this fast, offline inventory management tool. Add items, adjust quantities, scan barcodes, and generate reports in PDF or CSV format. Ideal for individuals needing accurate counts without complex features.

**Highlights:** Offline stock counting, Barcode scanning, Instant search and filtering, PDF and CSV report generation, Cloud backup and restore, Optional shared inventory

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Countpad Cloud — Starter | $2.99 | per month |
| Countpad Cloud — Shop | $4.99 | per month |
| Countpad Cloud — Business | $9.99 | per month |
| Pro Monthly | $9.99 | per month |
| Shared Inventory | $29.99 | per month |
| Pro Yearly | $59.99 | per year |
| Remove Ads | $4.99 | one-time |
| Remove Ads | $9.99 | one-time |
| Remove Ads | $14.99 | one-time |
| Pro Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is STL Viewer free?

STL Viewer costs $0.99, and also offers in-app purchases.

### Is Countpad free?

Countpad is free to download, with in-app purchases available.

### Do STL Viewer or Countpad have ads?

Neither STL Viewer nor Countpad shows ads.

### Which is updated more often, STL Viewer or Countpad?

STL Viewer ships an update every 4 weeks, and Countpad every 5 days. Most recently, STL Viewer was updated on November 3, 2026 and Countpad on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*