# Synchrnise vs PolyFit

The clearest difference is update cadence: Synchrnise at every 3 months against PolyFit's every 9 months. PolyFit's advantage is iOS requirement (13.0 vs 15.0). 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.

Synchrnise ships an update every 3 months, PolyFit every 9 months. The most recent releases landed on September 29, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Synchrnise | PolyFit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 9 months |
| Size | 99 MB | 44 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Elbit Systems](https://appshunter.io/developer/1469793782) | [Polysurance Limited](https://appshunter.io/developer/1517621814) |

## What reviewers say

### Synchrnise

[App page](https://appshunter.io/ios/app/synchrnise/id6444686666)

**Features:** macOS Compatibility

**In-app purchases:** none


### PolyFit

[App page](https://appshunter.io/ios/app/polyfit/id6503609397)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Synchrnise free?

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

### Is PolyFit free?

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

### Do Synchrnise or PolyFit have ads?

Neither Synchrnise nor PolyFit shows ads.

### Which is updated more often, Synchrnise or PolyFit?

Synchrnise ships an update every 3 months, and PolyFit every 9 months. Most recently, Synchrnise was updated on September 29, 2026 and PolyFit 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.*