# Smart Oil Gauge vs PoolSync

The clearest difference is review sentiment: Smart Oil Gauge at 64% against PoolSync's 20%. Smart Oil Gauge also leads on rating (3.5 vs 2.0) and iOS requirement (12.0 vs 15.1). PoolSync's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, ratings volume, 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.

Smart Oil Gauge holds the better App Store score, 3.5 against 2.0. Both are backed by a comparable volume of ratings — 83 and 68 respectively. Written reviews point the same way: 64% of Smart Oil Gauge's written reviews are positive against 20% of PoolSync's.

Smart Oil Gauge ships an update every 4 months, PoolSync every 2 months. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Smart Oil Gauge | PoolSync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (83 ratings)](https://appshunter.io/ios/app/smart-oil-gauge/id1218366918/reviews)** | [2.0 (68 ratings)](https://appshunter.io/ios/app/poolsync/id1498848116/reviews) |
| Number of ratings | **83** | 68 |
| Positive reviews | **63.6% of reviews** | 19.7% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Ad-supported | **Free** |
| Size | 31 MB | 39 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Connected Consumer Fuel LLC](https://appshunter.io/developer/1218355206) | [AquaCal AutoPilot, Inc](https://appshunter.io/developer/1498848115) |

## What reviewers say

### Smart Oil Gauge

[App page](https://appshunter.io/ios/app/smart-oil-gauge/id1218366918)

Monitor your home's heating oil levels and track fuel consumption directly from your iPhone or iPad. Easily manage sensor configurations and customize alert preferences for peace of mind.

**Highlights:** Check fuel oil levels, Track usage patterns, Manage sensor settings, Customize notification options

**Features:** macOS Compatibility

**In-app purchases:** none


### PoolSync

[App page](https://appshunter.io/ios/app/poolsync/id1498848116)

Control your pool equipment remotely from your iOS device. Adjust settings like temperature and sanitization, create schedules, and receive important alerts. Stay connected to your pool's status whether you're at home or away.

**Highlights:** Remote equipment control, Adjust heat pump set point, Change sanitization level, Create schedules, Receive alerts, Monitor pool status

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Controls pool features remotely
- 👍 Can monitor chlorinator and heat pump
- 👍 App improved over time (recent positive)
- 👍 Easy to set up (recent positive)
- 👍 Controls pumps, heater, valves, spa, lights

**What reviewers complain about**

- 🐛 Frequent disconnection issues
- 🐛 "Unit does not appear online" error
- 🐛 Basic functionality, minimal details
- 🐛 Poor customer service/no response
- 🐛 Wi-Fi password issues (spaces not allowed)

**Reported bugs**

- Connection issues: "cloud connected" but "unit does not appear online"
- Wi-Fi connection fails even when close to router
- App gets stuck in setup mode, doesn't find heater/chiller (Error 1012)
- Cannot input spaces in Wi-Fi password
- Bug in verification screen preventing code input

**Requested features**

- Add temperature history graph
- Add notifications for heater issues
- Integrate relay contacts for heating priority
- Allow spaces in Wi-Fi passwords
- Add Alexa, Google, HomeKit, IFTTT integration


## Frequently asked questions

### Is Smart Oil Gauge free?

Smart Oil Gauge is free to download, with no in-app purchases.

### Is PoolSync free?

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

### Which has better reviews, Smart Oil Gauge or PoolSync?

Smart Oil Gauge is rated higher. Smart Oil Gauge averages 3.5 out of 5 from 83 ratings, while PoolSync averages 2.0 from 68 ratings.

### Do Smart Oil Gauge or PoolSync have ads?

Smart Oil Gauge shows ads; PoolSync does not.

### Which is updated more often, Smart Oil Gauge or PoolSync?

Smart Oil Gauge ships an update every 4 months, and PoolSync every 2 months. Most recently, Smart Oil Gauge was updated on October 24, 2026 and PoolSync on October 20, 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.*