# Dolphin Boiler vs Sentry Modder

The clearest difference is rating: Dolphin Boiler at 5.0 against Sentry Modder's 2.0. Dolphin Boiler also leads on in-app purchases (none vs 2). Sentry Modder's advantage is ratings volume (4 vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Sentry Modder sells 2 in-app purchases, starting at $2.99 per month. Dolphin Boiler asks for nothing beyond the download.

Dolphin Boiler holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

Dolphin Boiler ships an update monthly, Sentry Modder fortnightly. The most recent releases landed on June 20, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Dolphin Boiler | Sentry Modder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dolphin-boiler/id1480999329/reviews)** | [2.0 (4 ratings)](https://appshunter.io/ios/app/sentry-modder/id6461600361/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | **Free** | Freemium |
| Size | 12 MB | 108 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Tomer Aviram](https://appshunter.io/developer/1480999328) | [Lior Boyango](https://appshunter.io/developer/1540233920) |

## 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


### Sentry Modder

[App page](https://appshunter.io/ios/app/sentry-modder/id6461600361)

Enhance your Tesla's security with real-time Sentry Mode notifications and customizable alerts. Control Sentry On/Off based on time or location, and trigger actions like honking or flashing lights during events.

**Highlights:** Real-time Sentry notifications, Customizable Sentry On/Off schedules, Location-based Sentry activation, Remote horn honking, Remote light flashing, Fart sound effect for alerts

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Yearly | $29.99 | per year |


## Frequently asked questions

### Is Dolphin Boiler free?

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

### Is Sentry Modder free?

Sentry Modder is free to download, with in-app purchases available.

### Which has better reviews, Dolphin Boiler or Sentry Modder?

Dolphin Boiler is rated higher. Dolphin Boiler averages 5.0 out of 5 from 1 ratings, while Sentry Modder averages 2.0 from 4 ratings.

### Do Dolphin Boiler or Sentry Modder have ads?

Neither Dolphin Boiler nor Sentry Modder shows ads.

### Which is updated more often, Dolphin Boiler or Sentry Modder?

Dolphin Boiler ships an update monthly, and Sentry Modder fortnightly. Most recently, Dolphin Boiler was updated on June 20, 2026 and Sentry Modder on September 17, 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.*