# Scale vs 123go

The clearest difference is price: 123go at Free against Scale's $4.99. 123go also leads on iOS requirement (13.0 vs 17.0). Scale's advantage is update cadence (every 8 days vs every 3 weeks). On ads, in-app purchases and device support there is nothing between them.

123go is free to download; Scale costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scale ships an update every 8 days, 123go every 3 weeks. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Scale | 123go |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/scale-o-tron/id1441824327/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 3 weeks |
| Monetization | Paid | — |
| Size | 3 MB | 50 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mizmovac, Inc](https://appshunter.io/developer/1441824326) | [Foyer S.A.](https://appshunter.io/developer/463863252) |

## What reviewers say

### Scale

[App page](https://appshunter.io/ios/app/scale-o-tron/id1441824327)

This tool simplifies scaling and unit conversions for creators. It offers a vast library of scales and units, allowing for seamless adjustments and precise calculations. Customize the interface to match your workflow and focus on your projects.

**Highlights:** Extensive database of scales and units, Customizable scales and units, Imperial and metric conversions, Fractional and decimal rounding, Conversion history, Customizable buttons

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

**In-app purchases:** none


### 123go

[App page](https://appshunter.io/ios/app/123go/id1543434076)

**In-app purchases:** none


## Frequently asked questions

### Is Scale free?

Scale costs $4.99, with no in-app purchases.

### Is 123go free?

123go is free to download, with no in-app purchases.

### Do Scale or 123go have ads?

Neither Scale nor 123go shows ads.

### Which is updated more often, Scale or 123go?

Scale ships an update every 8 days, and 123go every 3 weeks. Most recently, Scale was updated on October 24, 2026 and 123go on October 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.*