Comparison

Tailscale vs SpaGen

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Tailscale

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
Currently charting
Read full description

Securely connect people, workloads, and even AI agents to anything on the internet with Tailscale, the secure connectivity platform built on WireGuard®. Tailscale brings identity to the network layer so you can control access based on users, groups, tags, and devices instead of IP addresses, applying Zero Trust principles end-to-end across every environment. Tailscale transforms your existing network from a legacy hub and spoke model to a modern, lightweight, and responsive mesh networking architecture that eliminates single points of failure and delivers better performance, scalability, and security for your end users, devices, and remote resources. Tailscale can be used for your Homelab VPN and connectivity, Business VPN, Workload Connectivity across clouds, Kubernetes clusters, regions, and environments, Privileged Access Management (PAM), Edge & IoT, CI/CD, and Securing AI – all on the same platform. Replace legacy VPNs, connect workloads across on-prem and cloud infrastructure providers, power Zero Trust initiatives, and make remote access secure by simplifying software-defined networking and security operations. Modernize your home, your organization, and your enterprise networking at scale with Tailscale. Tailscale is hardware-agnostic, so you can make decisions about your hardware independently from decisions about your network. Tailscale creates an overlay network, using your existing network, so you can incrementally deploy Tailscale without needing new network switches or to change your network architecture. Tailscale integrates with 100+ technologies and dozens of identity providers, and is available on a wide range of platforms — including Apple’s macOS, iOS, and tvOS — so you can securely connect from wherever you work.

About

SpaGen

Manage your hot tub remotely by monitoring water chemistry, controlling equipment, and automating maintenance. This app ensures your spa is always ready for use with real-time data and alerts.

Highlights
  • Real-time water chemistry monitoring
  • Remote equipment control
  • Automated chlorine generation
  • Water chemistry history
  • Push notifications for alerts
  • Multi-spa support
Features
Read full description

SpaGen puts your hot tub in the palm of your hand. Monitor water chemistry, control pumps and lighting, and let your spa manage itself — all from your phone. Connect your SpaGen Salt & pH System to automate chlorine production and maintain safe, balanced water without the guesswork. Pair it with a Gecko in.touch 3 WaterLab for a fully automatic spa experience — the WaterLab feeds live water data directly to SpaGen, which continuously adjusts salt cell output and pH dosing to keep your hot tub ready when you are. Features: - Real-time water chemistry monitoring (ORP, pH, salinity, temperature) - Remote pump, light, and temperature control - Automated chlorine generation with configurable dosing profiles - Water chemistry history with test strip photo analysis - Timer-based or fully automatic operation modes - Push notifications for water quality alerts - Multi-spa support New to SpaGen? Tap "Try Demo" on the login screen to explore the full app without an account. SpaGen is designed for owners of hot tubs equipped with the SpaGen module. Contact your hot tub dealer for hardware installation and account setup. --- Requirements Requires SpaGen Salt System *Water monitoring features require Gecko waterlab (probe and in.touch 3+)

Screenshots

Tailscale3 screens
SpaGen4 screens

Verdict

The call

The clearest difference is rating: SpaGen at 5.0 against Tailscale's 4.4. SpaGen also leads on monetization model (free vs freemium) and update cadence (weekly vs fortnightly). Tailscale's advantage is ratings volume (763 vs 1) and chart position (#59 vs unranked). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

SpaGen holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Tailscale has 763 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Tailscale ships an update fortnightly, SpaGen weekly. The most recent releases landed on October 20, 2026 and October 2, 2026 respectively.

Scorecard5 real differences · 6 level
Tailscale versus SpaGen: the parameters behind the verdict, then further details
ParameterTailscaleSpaGen
PriceFreeFree
Rating4.4 (763 ratings)5.0 (1 ratings) — better
Positive reviews60.9% of reviews—
Number of ratings763 — better1
Update frequencyFortnightlyWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreemiumFree — better
Best chart rank#59 — better—
DevicesiPhone, iPad, Apple TViPhone, iPad, iPod
Requires iOS16.615.1 — better
Further details — not scored
Size29 MB30 MB
Age rating4+17+
DeveloperTailscale Inc.2633134 Alberta INC.

Customer experience

Tailscale

All ratings747 ratings
Positive83.8%
Neutral3.2%
Negative13.0%
Written reviews450 reviews
Positive60.9%
Neutral10.9%
Negative28.2%

SpaGen

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Tailscale

Reported bugs

4 issues
  • 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

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

SpaGen

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Tailscale

No in-app purchases

None

SpaGen

No in-app purchases

Questions

Is Tailscale free?
Tailscale is free to download, with no in-app purchases.
Is SpaGen free?
SpaGen is free to download, with no in-app purchases.
Which has better reviews, Tailscale or SpaGen?
SpaGen is rated higher. Tailscale averages 4.4 out of 5 from 763 ratings, while SpaGen averages 5.0 from 1 ratings.
Do Tailscale or SpaGen have ads?
Neither Tailscale nor SpaGen shows ads.
Which is updated more often, Tailscale or SpaGen?
Tailscale ships an update fortnightly, and SpaGen weekly. Most recently, Tailscale was updated on October 20, 2026 and SpaGen on October 2, 2026.

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