# Scale for grams vs Circuits

The clearest difference is in-app purchases: Circuits at none against Scale for grams's 2. Circuits also leads on ads (none vs shown) and update cadence (every 5 days vs every 3 weeks). On price 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. Circuits asks for nothing beyond the download.

Scale for grams ships an update every 3 weeks, Circuits every 5 days. The most recent releases landed on October 22, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Scale for grams | Circuits |
| --- | --- | --- |
| 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 | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 15 MB | 2 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dung Vu](https://appshunter.io/developer/1797970314) | [Gabriel Elias Gabrie Kattan](https://appshunter.io/developer/1887530659) |

## 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 |


### Circuits

[App page](https://appshunter.io/ios/app/circuits-3-phase-analysis/id6761165090)

**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 Circuits free?

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

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

Scale for grams shows ads; Circuits does not.

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

Scale for grams ships an update every 3 weeks, and Circuits every 5 days. Most recently, Scale for grams was updated on October 22, 2026 and Circuits on October 5, 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.*