# Scale for Grams vs Simple U

The clearest difference is in-app purchases: Simple U at none against Scale for Grams's 4. Simple U also leads on ads (none vs shown) and update cadence (every 3 days vs monthly). Scale for Grams's advantage is iOS requirement (15.0 vs 26.4). On price and device support there is nothing between them.

Both are free to download. Scale for Grams sells 4 in-app purchases, starting at $3.99 per 7 days. Simple U asks for nothing beyond the download.

Scale for Grams ships an update monthly, Simple U every 3 days. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Scale for Grams | Simple U |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/scale-for-grams-snapweigh/id6749018539/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Freemium | — |
| Size | 48 MB | 3 MB |
| Requires iOS | **15.0** | 26.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tho Hop](https://appshunter.io/developer/1821659322) | [Addiel Hernandez Estrada](https://appshunter.io/developer/1895180732) |

## What reviewers say

### Scale for Grams

[App page](https://appshunter.io/ios/app/scale-for-grams-snapweigh/id6749018539)

Estimate the weight of objects using just your phone's camera. This AI-powered utility provides approximate measurements in grams, kilograms, ounces, and pounds without needing any hardware scale. Save and review your past estimations easily.

**Highlights:** AI-powered weight estimation from images, Supports grams, kilograms, ounces, and pounds, Save and review previous measurements, User-friendly interface, No hardware scale required

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Yearly | $3.99 | per 7 days |
| Premium Monthly | $7.99 | per month |
| Premium Yearly | $19.99 | per year |
| SnapWeigh Lifetime | $39.99 | one-time |


### Simple U

[App page](https://appshunter.io/ios/app/simple-u/id6763469725)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Scale for Grams free?

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

### Is Simple U free?

Simple U is free to download, with no in-app purchases.

### Do Scale for Grams or Simple U have ads?

Scale for Grams shows ads; Simple U does not.

### Which is updated more often, Scale for Grams or Simple U?

Scale for Grams ships an update monthly, and Simple U every 3 days. Most recently, Scale for Grams was updated on November 8, 2026 and Simple U 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.*