# Surface Precision vs zimetrix

The clearest difference is update cadence: zimetrix at fortnightly against Surface Precision's every 3 months. Surface Precision's advantage is iOS requirement (9.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Surface Precision ships an update every 3 months, zimetrix fortnightly. The most recent releases landed on August 14, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Surface Precision | zimetrix |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (2 ratings)](https://appshunter.io/ios/app/surface-precision/id1509181840/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 48 MB | 58 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Cecotec innovaciones S.L.](https://appshunter.io/developer/1416497163) | [Alfredo Zimperz](https://appshunter.io/developer/1803612667) |

## What reviewers say

### Surface Precision

[App page](https://appshunter.io/ios/app/surface-precision/id1509181840)

Connect your smart scale to your smartphone to track various body composition metrics. Visualize your progress over time with graphs and stored data, monitoring changes in weight, body mass, fat index, and muscle.

**Highlights:** Connect smart scale to smartphone, View body parameters, Track data with graphs, Monitor weight evolution, Analyze body mass and fat index, Track muscle percentage

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

**In-app purchases:** none


### zimetrix

[App page](https://appshunter.io/ios/app/zimetrix/id6749155081)

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

**In-app purchases:** none


## Frequently asked questions

### Is Surface Precision free?

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

### Is zimetrix free?

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

### Do Surface Precision or zimetrix have ads?

Neither Surface Precision nor zimetrix shows ads.

### Which is updated more often, Surface Precision or zimetrix?

Surface Precision ships an update every 3 months, and zimetrix fortnightly. Most recently, Surface Precision was updated on August 14, 2026 and zimetrix on September 18, 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.*