# OTR Diagnostics vs Mise

The clearest difference is rating: Mise at 5.0 against OTR Diagnostics's 4.0. Mise also leads on monetization model (free vs free with in-app purchases) and iOS requirement (15.6 vs 17.6). OTR Diagnostics's advantage is ratings volume (99 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Mise holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: OTR Diagnostics has 99 ratings behind it against 1, so its average is the more settled of the two.

OTR Diagnostics ships an update fortnightly, Mise every 9 days. The most recent releases landed on October 15, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | OTR Diagnostics | Mise |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (99 ratings)](https://appshunter.io/ios/app/otr-diagnostics/id1508165885/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mise-app/id6784768546/reviews)** |
| Number of ratings | **99** | 1 |
| Positive reviews | 55.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 9 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 267 MB | 13 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [OTR Performance](https://appshunter.io/developer/1508165884) | [Step Inc.](https://appshunter.io/developer/1867330437) |

## What reviewers say

### OTR Diagnostics

[App page](https://appshunter.io/ios/app/otr-diagnostics/id1508165885)

This app helps heavy-duty truck owners diagnose and resolve common issues like fault codes, regen problems, and derates. It provides plain-language explanations of error codes, allows for bi-directional commands to fix issues, and monitors live truck data to prevent downtime.

**Highlights:** AI-powered fault code explanation, Bi-directional commands for repairs, Reset active/inactive fault codes, Run forced DPF/SCR regens, Live data monitoring, Fault code history tracking

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

**In-app purchases:** none

**What reviewers like**

- 💰 Saves money on repairs
- 🛠️ Clears fault codes
- 🔄 Performs forced regens
- ✅ Works with various engines
- 👍 Easy to use

**What reviewers complain about**

- 💸 Overpriced
- 🐛 Buggy and unstable app
- 🔌 Frequent Bluetooth disconnects
- 📉 Updates cause problems
- ❌ Some features disappeared after updates

**Reported bugs**

- App constantly disconnects from device
- Generic code option disappeared
- Forced regen is no longer consistent
- AI assistant not working
- App asks to do things not available in app

**Requested features**

- Remember email address for login
- Allow offline functionality without data connection
- Add option to change speed
- More detailed diagnostic information
- Allow basic subscription to work on multiple VINs


### Mise

[App page](https://appshunter.io/ios/app/mise-app/id6784768546)

This app provides restaurant owners and managers with an all-in-one solution for business management. It offers features for sales tracking, staff scheduling, menu updates, inventory control, and detailed reporting, all accessible from anywhere.

**Highlights:** Real-time sales overview, Staff work schedule planning, Menu item creation and editing, Real-time stock tracking, Detailed sales reports and analytics, Data export

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

**In-app purchases:** none


## Frequently asked questions

### Is OTR Diagnostics free?

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

### Is Mise free?

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

### Which has better reviews, OTR Diagnostics or Mise?

Mise is rated higher. OTR Diagnostics averages 4.0 out of 5 from 99 ratings, while Mise averages 5.0 from 1 ratings.

### Do OTR Diagnostics or Mise have ads?

Neither OTR Diagnostics nor Mise shows ads.

### Which is updated more often, OTR Diagnostics or Mise?

OTR Diagnostics ships an update fortnightly, and Mise every 9 days. Most recently, OTR Diagnostics was updated on October 15, 2026 and Mise on September 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*