# Off vs Flashcal+

The clearest difference is rating: Off at 4.6 against Flashcal+'s 2.3. Off also leads on review sentiment (75% vs 50%) and ratings volume (763 vs 6). Flashcal+'s advantage is ads (none vs shown) and monetization model (free vs free with in-app purchases). On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Off sells 1 one-off in-app purchase and Flashcal+ sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Off holds the better App Store score, 4.6 against 2.3. That said, the two scores are not equally well evidenced: Off has 763 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 75% of Off's written reviews are positive against 50% of Flashcal+'s.

Off ships an update every 4 months, Flashcal+ every 3 weeks. The most recent releases landed on September 20, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Off | Flashcal+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (763 ratings)](https://appshunter.io/ios/app/off-road-inclinometer/id1489831780/reviews)** | [2.3 (6 ratings)](https://appshunter.io/ios/app/flashcal-plus/id6739143913/reviews) |
| Number of ratings | **763** | 6 |
| Positive reviews | **75.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 24 MB | 124 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Joaquin Tare](https://appshunter.io/developer/1489831779) | [Holley Performance Products](https://appshunter.io/developer/1175069390) |

## What reviewers say

### Off

[App page](https://appshunter.io/ios/app/off-road-inclinometer/id1489831780)

Monitor your vehicle's pitch and roll angles while off-roading. Features include customizable vehicles, alarms, and data logging for analysis. Offers a smooth user experience with a clean, relevant display.

**Highlights:** Read pitch and roll values, Customizable vehicle profiles, Pitch and roll alarms, Data logging and CSV export, Integrated compass, Themable interface

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock features | $3.99 | one-time |

**What reviewers like**

- 👍 Clean, simple, and professional interface
- ✅ Accurate incline and camber measurements
- 💰 Affordable premium version ($3) with no subscription
- 🎨 Customizable vehicle graphics and icons
- ⚙️ Easy zero/calibration reset functionality

**What reviewers complain about**

- 🐛 Inconsistent and inaccurate readings
- 📱 Intrusive ads in free version
- ⚠️ Occasional false/erratic measurements
- 🎨 Limited vehicle design options
- 📊 Basic graphics quality

**Reported bugs**

- Scam/virus warning pop-ups appearing on second use
- Slope percentage cannot be disabled despite settings
- Alarms set to 30 degrees produce no audible or visual feedback
- Inconsistent measurement accuracy requiring multiple resets
- Ad interruptions causing screen blanks during app use

**Requested features**

- CarPlay support
- Split View multitasking support
- Additional vehicle models (Jeep XJ, Bronco, Land Rover Discovery 2, Toyota Landcruiser 80/76 series)
- Bicycle and motorcycle designs
- Altitude reading display


### Flashcal+

[App page](https://appshunter.io/ios/app/flashcal-plus/id6739143913)

This utility calibrates your Jeep Wrangler's speedometer after tire or gear changes. It offers TPMS adjustment and is designed for JK, JL, and JT models.

**Highlights:** Speedometer calibration, Tire size adjustment, Gear ratio adjustment, TPMS on/off, Supports JK, JL, JT models

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pedal Booster | $24.99 | one-time |
| Power Tuning | $124.99 | one-time |
| Features and Options | $124.99 | one-time |
| PCM Cross Ship | $274.99 | one-time |


## Frequently asked questions

### Is Off free?

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

### Is Flashcal+ free?

Flashcal+ is free to download, with in-app purchases available.

### Which has better reviews, Off or Flashcal+?

Off is rated higher. Off averages 4.6 out of 5 from 763 ratings, while Flashcal+ averages 2.3 from 6 ratings.

### Do Off or Flashcal+ have ads?

Off shows ads; Flashcal+ does not.

### Which is updated more often, Off or Flashcal+?

Off ships an update every 4 months, and Flashcal+ every 3 weeks. Most recently, Off was updated on September 20, 2026 and Flashcal+ on September 11, 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.*