# ER Salute vs GreenTheory

The clearest difference is update cadence: GreenTheory at every 3 weeks against ER Salute's every 3 months. ER Salute's advantage is iOS requirement (11.0 vs 16.4). 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.

ER Salute ships an update every 3 months, GreenTheory every 3 weeks. The most recent releases landed on October 3, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | ER Salute | GreenTheory |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 31 MB | 75 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Lepida S.c.p.A.](https://appshunter.io/developer/527858405) | [Theory Holding SPA](https://appshunter.io/developer/1674784689) |

## What reviewers say

### ER Salute

[App page](https://appshunter.io/ios/app/er-salute/id1095273659)

Access your Electronic Health Record and online health services from the Emilia-Romagna Region. Requires a SPID account for full functionality, allowing appointment management and payment. Without SPID, only appointment cancellation and payment are available.

**Highlights:** Access Electronic Health Record, Online health services, Appointment management, Payment for bookings, SPID account integration

**Features:** macOS Compatibility

**In-app purchases:** none


### GreenTheory

[App page](https://appshunter.io/ios/app/greentheory/id6445917575)

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

**In-app purchases:** none


## Frequently asked questions

### Is ER Salute free?

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

### Is GreenTheory free?

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

### Do ER Salute or GreenTheory have ads?

Neither ER Salute nor GreenTheory shows ads.

### Which is updated more often, ER Salute or GreenTheory?

ER Salute ships an update every 3 months, and GreenTheory every 3 weeks. Most recently, ER Salute was updated on October 3, 2026 and GreenTheory on October 19, 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.*