# Scale Conversion Calculator vs Tripo AI

Scale Conversion Calculator and Tripo AI both sit at 4.5 stars, but that hides the real split: 100% of Scale Conversion Calculator's written reviews are positive against 60% of Tripo AI's. Scale Conversion Calculator also leads on in-app purchases (none vs 6) and iOS requirement (11.0 vs 16.0). Tripo AI's advantage is ratings volume (2.7K vs 4). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Tripo AI sells 6 in-app purchases, starting at $15.99 per month. Scale Conversion Calculator asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.5 for Scale Conversion Calculator against 4.6 for Tripo AI. That said, the two scores are not equally well evidenced: Tripo AI has 2.7K ratings behind it against 4, so its average is the more settled of the two. Written reviews are what separate them: 100% of Scale Conversion Calculator's written reviews are positive against 60% of Tripo AI's.

Scale Conversion Calculator ships an update every 5 days, Tripo AI weekly. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Scale Conversion Calculator | Tripo AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (4 ratings)](https://appshunter.io/ios/app/scale-conversion-calculator/id1528811624/reviews) | **[4.6 (2.7K ratings)](https://appshunter.io/ios/app/tripo-ai-3d-model-generator/id6748596826/reviews)** |
| Number of ratings | 4 | **2.7K** |
| Positive reviews | **100.0% of reviews** | 60.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 20 MB | 91 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | +4 |
| Developer | [TMS International LLC](https://appshunter.io/developer/1526562863) | [Holymolly Limited](https://appshunter.io/developer/1847629375) |

## What reviewers say

### Scale Conversion Calculator

[App page](https://appshunter.io/ios/app/scale-conversion-calculator/id1528811624)

This utility app facilitates weight conversions between Metric, Gross, and Net tons. It also allows for the calculation of price rates based on weight and other related calculations.

**Highlights:** Metric ton conversion, Gross ton conversion, Net ton conversion, Price rate per weight calculation, Other weight-related calculations

**Features:** macOS Compatibility

**In-app purchases:** none


### Tripo AI

[App page](https://appshunter.io/ios/app/tripo-ai-3d-model-generator/id6748596826)

Transform images or text prompts into high-quality 3D models using advanced AI. Generate custom 3D assets for various projects, from design and 3D printing to personal creations, in just a few taps.

**Highlights:** Text-to-3D generation, Image-to-3D generation, High-quality 3D model creation, Custom 3D asset generation, 3D model refinement, Save and share creations

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tripo 3D AI - Pro Plan | $15.99 | per month |
| Tripo 3D AI - Pro Plan | $19.99 | per month |
| Advanced Plan | $38.99 | per month |
| Ultimate Plan | $89.99 | per month |
| Tripo 3D AI - Pro Plan | $155.99 | per year |
| Tripo 3D AI - Max Plan | $539.99 | per year |


## Frequently asked questions

### Is Scale Conversion Calculator free?

Scale Conversion Calculator is free to download, with no in-app purchases.

### Is Tripo AI free?

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

### Which has better reviews, Scale Conversion Calculator or Tripo AI?

Tripo AI is rated higher. Scale Conversion Calculator averages 4.5 out of 5 from 4 ratings, while Tripo AI averages 4.6 from 2.7K ratings.

### Do Scale Conversion Calculator or Tripo AI have ads?

Neither Scale Conversion Calculator nor Tripo AI shows ads.

### Which is updated more often, Scale Conversion Calculator or Tripo AI?

Scale Conversion Calculator ships an update every 5 days, and Tripo AI weekly. Most recently, Scale Conversion Calculator was updated on October 12, 2026 and Tripo AI on October 24, 2026.

---

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