# Scale for grams vs OnSiteConverter

The clearest difference is ads: OnSiteConverter at none against Scale for grams's shown. Scale for grams's advantage is update cadence (every 3 weeks vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Scale for grams sells 2 in-app purchases, starting at $7.99 per 7 days and OnSiteConverter sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Scale for grams ships an update every 3 weeks, OnSiteConverter every 2 months. The most recent releases landed on October 30, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Scale for grams | OnSiteConverter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (267 ratings)](https://appshunter.io/ios/app/scale-for-grams-weight-scale/id6747007720/reviews)** | — |
| Number of ratings | **267** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 15 MB | 6 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Dung Vu](https://appshunter.io/developer/1797970314) | [CORY MARK CAKSSELKL](https://appshunter.io/developer/6797110220) |

## What reviewers say

### Scale for grams

[App page](https://appshunter.io/ios/app/scale-for-grams-weight-scale/id6747007720)

Transform your phone into a digital scale using AI. Simply take a photo of an object, and the app will instantly estimate its weight in grams. It's a convenient, portable tool for quick measurements on the go.

**Highlights:** AI-powered weight estimation, Instant measurement from photos, Smart history log, Portable virtual scale, Simple and hassle-free use

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $7.99 | per 7 days |
| Annual | $29.99 | per year |


### OnSiteConverter

[App page](https://appshunter.io/ios/app/onsiteconverter/id6813753308)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Onsite Converter Pro | $2.99 | one-time |


## Frequently asked questions

### Is Scale for grams free?

Scale for grams is free to download, with in-app purchases available.

### Is OnSiteConverter free?

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

### Do Scale for grams or OnSiteConverter have ads?

Scale for grams shows ads; OnSiteConverter does not.

### Which is updated more often, Scale for grams or OnSiteConverter?

Scale for grams ships an update every 3 weeks, and OnSiteConverter every 2 months. Most recently, Scale for grams was updated on October 30, 2026 and OnSiteConverter on November 10, 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.*