# by Eficium vs salvatore.work

The clearest difference is update cadence: salvatore.work at every 6 weeks against by Eficium's every 6 months. salvatore.work also leads on iOS requirement (14.0 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.

by Eficium ships an update every 6 months, salvatore.work every 6 weeks. The most recent releases landed on October 20, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | by Eficium | salvatore.work |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 6 weeks** |
| Size | 19 MB | 29 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Eficium](https://appshunter.io/developer/1492456533) | [JDMCV](https://appshunter.io/developer/1630743482) |

## What reviewers say

### by Eficium

[App page](https://appshunter.io/ios/app/by-eficium/id1492456534)

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

**In-app purchases:** none


### salvatore.work

[App page](https://appshunter.io/ios/app/salvatorework/id1630743480)

**In-app purchases:** none


## Frequently asked questions

### Is by Eficium free?

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

### Is salvatore.work free?

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

### Do by Eficium or salvatore.work have ads?

Neither by Eficium nor salvatore.work shows ads.

### Which is updated more often, by Eficium or salvatore.work?

by Eficium ships an update every 6 months, and salvatore.work every 6 weeks. Most recently, by Eficium was updated on October 20, 2026 and salvatore.work on October 16, 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.*