# SFE vs SYNC

The clearest difference is update cadence: SYNC at fortnightly against SFE's every 2 months. 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.

SFE ships an update every 2 months, SYNC fortnightly. The most recent releases landed on September 9, 2026 and June 7, 2026 respectively.

## The numbers

| Metric | SFE | SYNC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 28 MB | 40 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [NETMAXIMS TECHNOLOGIES PRIVATE LIMITED](https://appshunter.io/developer/1703978117) | [3 Spirit Company Limited](https://appshunter.io/developer/1884877930) |

## What reviewers say

### SFE

[App page](https://appshunter.io/ios/app/sfe/id6550903611)

**Features:** macOS Compatibility

**In-app purchases:** none


### SYNC

[App page](https://appshunter.io/ios/app/sync-u/id6760542718)

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

**In-app purchases:** none


## Frequently asked questions

### Is SFE free?

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

### Is SYNC free?

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

### Do SFE or SYNC have ads?

Neither SFE nor SYNC shows ads.

### Which is updated more often, SFE or SYNC?

SFE ships an update every 2 months, and SYNC fortnightly. Most recently, SFE was updated on September 9, 2026 and SYNC on June 7, 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.*