# Tailscale vs ERIS Mobile

Tailscale and ERIS Mobile both sit at 4.4 stars, but that hides the real split: 100% of ERIS Mobile's written reviews are positive against 61% of Tailscale's. ERIS Mobile also leads on monetization model (free vs freemium). Tailscale's advantage is update cadence (fortnightly vs every 3 months) and ratings volume (741 vs 6). On price, rating, ads and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.4 for Tailscale against 4.3 for ERIS Mobile. That said, the two scores are not equally well evidenced: Tailscale has 741 ratings behind it against 6, so its average is the more settled of the two. Written reviews are what separate them: 61% of Tailscale's written reviews are positive against 100% of ERIS Mobile's.

Tailscale ships an update fortnightly, ERIS Mobile every 3 months. The most recent releases landed on September 27, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Tailscale | ERIS Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (741 ratings)](https://appshunter.io/ios/app/tailscale/id1470499037/reviews)** | [4.3 (6 ratings)](https://appshunter.io/ios/app/eris-mobile/id1478421653/reviews) |
| Number of ratings | **741** | 6 |
| Positive reviews | 60.9% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Freemium | **Free** |
| Best chart rank | **#81** | — |
| Size | 28 MB | 26 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tailscale Inc.](https://appshunter.io/developer/1470499035) | [Environmental Risk Information Services ERIS](https://appshunter.io/developer/1478421652) |

## What reviewers say

### Tailscale

[App page](https://appshunter.io/ios/app/tailscale/id1470499037)

**Currently charting:** #81 Top Free · Utilities (US App Store)

Securely connect devices, users, and workloads with a mesh VPN built on WireGuard. It brings identity to network access, enabling Zero Trust principles across diverse environments. Modernize your network for homelabs, businesses, and cloud infrastructure.

**Highlights:** Secure mesh networking, Identity-based access control, Zero Trust security, WireGuard-based VPN, Homelab and business VPN, Cloud and workload connectivity, Hardware-agnostic overlay network

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to set up and use
- 🔒 Secure remote access
- 👍 Convenient for accessing home network
- 👍 Seamless connectivity between devices
- 🚀 Powerful networking features

**What reviewers complain about**

- 🔋 Significant battery drain
- 🐛 Connectivity issues and bugs
- 🐛 Unreliable performance
- 🐛 Broken functionality after updates

**Reported bugs**

- Inability to connect or authenticate
- Exit node feature not working as expected
- Inconsistent behavior when switching networks
- App getting stuck in a loading state

**Requested features**

- On-demand VPN connection
- Ability to switch between multiple accounts
- More granular control over exit nodes
- Integration with other networking tools
- Dark mode option


### ERIS Mobile

[App page](https://appshunter.io/ios/app/eris-mobile/id1478421653)

This app helps environmental professionals conduct site visits for property due diligence. It allows users to capture photos, record notes, complete checklists, and access environmental data and historical maps related to a project.

**Highlights:** Site visit data capture, Photo and field note recording, Checklist completion, Interactive environmental data display, Access to historical maps, Property and surrounding area data

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tailscale free?

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

### Is ERIS Mobile free?

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

### Which has better reviews, Tailscale or ERIS Mobile?

Tailscale is rated higher. Tailscale averages 4.4 out of 5 from 741 ratings, while ERIS Mobile averages 4.3 from 6 ratings.

### Do Tailscale or ERIS Mobile have ads?

Neither Tailscale nor ERIS Mobile shows ads.

### Which is updated more often, Tailscale or ERIS Mobile?

Tailscale ships an update fortnightly, and ERIS Mobile every 3 months. Most recently, Tailscale was updated on September 27, 2026 and ERIS Mobile on June 1, 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.*