# M Master vs Otter Go

The clearest difference is review sentiment: M Master at 100% against Otter Go's 29%. M Master also leads on rating (4.9 vs 4.6) and device support (3 vs 1). Otter Go's advantage is ratings volume (945 vs 20) and update cadence (fortnightly vs every 6 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

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

M Master holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: Otter Go has 945 ratings behind it against 20, so its average is the more settled of the two. Written reviews point the same way: 100% of M Master's written reviews are positive against 29% of Otter Go's.

M Master ships an update every 6 weeks, Otter Go fortnightly. Both last shipped on October 24, 2026.

## The numbers

| Metric | M Master | Otter Go |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (20 ratings)](https://appshunter.io/ios/app/m-master/id1518752162/reviews)** | [4.6 (945 ratings)](https://appshunter.io/ios/app/otter-go/id1635778208/reviews) |
| Number of ratings | 20 | **945** |
| Positive reviews | **100.0% of reviews** | 28.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | Free | Free |
| Size | 37 MB | 101 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MENUSIFU Inc.](https://appshunter.io/developer/718726702) | [Otter App](https://appshunter.io/developer/1635778210) |

## What reviewers say

### M Master

[App page](https://appshunter.io/ios/app/m-master/id1518752162)

This app helps restaurant owners manage their online ordering services. Owners can update dish availability, set essential business features like hours and delivery fees, and create customer promotions.

**Highlights:** Manage popular and sold-out dishes, Update online ordering website status, Set open hours and delivery fees, Configure food preparation time, Create customer promotions and discounts

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

**In-app purchases:** none


### Otter Go

[App page](https://appshunter.io/ios/app/otter-go/id1635778208)

Manage your restaurant's online operations and sales from your phone. This app allows you to control menus, track real-time sales across platforms, and manage order flow remotely. Stay informed with smart alerts to prevent order cancellations and optimize kitchen operations.

**Highlights:** Remote restaurant monitoring, Real-time sales tracking, Instant menu control, Store status management, Smart alerts for critical issues, Order management

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Helpful for checking performance and operations
- 🚀 Well-designed and easy to use

**What reviewers complain about**

- 🐛 Unstable integration with delivery platforms leading to missed orders
- 🐛 iPhone app has limited functionality compared to Android
- 🐛 Latency issues and incorrect store status
- 🐛 Integrations are never correct, leading to order cancellations and lost money

**Reported bugs**

- App never accepts the user ID and password
- App is completely useless and never works
- Shows all stores offline when they are online

**Requested features**

- Add ability to pause and change prep time
- Add ability to view net sales
- Add ability to quickly switch between locations
- Add camera view in the app
- Add option to view individual orders


## Frequently asked questions

### Is M Master free?

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

### Is Otter Go free?

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

### Which has better reviews, M Master or Otter Go?

M Master is rated higher. M Master averages 4.9 out of 5 from 20 ratings, while Otter Go averages 4.6 from 945 ratings.

### Do M Master or Otter Go have ads?

Neither M Master nor Otter Go shows ads.

### Which is updated more often, M Master or Otter Go?

M Master ships an update every 6 weeks, and Otter Go fortnightly. Most recently, M Master was updated on October 24, 2026 and Otter Go on October 24, 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.*