# Dolphin Boiler vs Trustity Authenticator

The clearest difference is update cadence: Dolphin Boiler at monthly against Trustity Authenticator's every 5 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.

Dolphin Boiler ships an update monthly, Trustity Authenticator every 5 months. The most recent releases landed on October 7, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Dolphin Boiler | Trustity Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dolphin-boiler/id1480999329/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 months |
| Monetization | Free | — |
| Size | 12 MB | 29 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Tomer Aviram](https://appshunter.io/developer/1480999328) | [Tal Yosef](https://appshunter.io/developer/1691923589) |

## What reviewers say

### Dolphin Boiler

[App page](https://appshunter.io/ios/app/dolphin-boiler/id1480999329)

Control your hot water tank temperature remotely. Monitor water temperature and estimate available showers. Schedule heating for energy efficiency and convenience.

**Highlights:** Remote temperature control, Hot water tank monitoring, Shower availability estimation, Scheduled heating, Energy efficient operation

**Features:** macOS Compatibility

**In-app purchases:** none


### Trustity Authenticator

[App page](https://appshunter.io/ios/app/trustity-authenticator/id6760598675)

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

**In-app purchases:** none


## Frequently asked questions

### Is Dolphin Boiler free?

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

### Is Trustity Authenticator free?

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

### Do Dolphin Boiler or Trustity Authenticator have ads?

Neither Dolphin Boiler nor Trustity Authenticator shows ads.

### Which is updated more often, Dolphin Boiler or Trustity Authenticator?

Dolphin Boiler ships an update monthly, and Trustity Authenticator every 5 months. Most recently, Dolphin Boiler was updated on October 7, 2026 and Trustity Authenticator 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.*