# M vs Otteri

The clearest difference is update cadence: Otteri at every 3 weeks against M's every 2 months. On price, review sentiment, 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.

M ships an update every 2 months, Otteri every 3 weeks. The most recent releases landed on October 21, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | M | Otteri |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.5 (2 ratings)](https://appshunter.io/ios/app/otteri/id1480384859/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 43 MB | 103 MB |
| Requires iOS | 15.6 | **15.5** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [The Department of Highways, Thailand](https://appshunter.io/developer/1125869830) | [Kavin Nitasnajarukul](https://appshunter.io/developer/1469331007) |

## What reviewers say

### M

[App page](https://appshunter.io/ios/app/m-pass/id1201152421)

This application provides M-Pass cardholders with convenient access to their account information. Users can easily check their remaining balance and review their toll usage history anytime, anywhere. Registration is required via the official website to access these features.

**Highlights:** Check remaining balance, View toll usage history, Convenient access, Real-time updates, Easy registration

**In-app purchases:** none


### Otteri

[App page](https://appshunter.io/ios/app/otteri/id1480384859)

This application connects users to a modern laundry service featuring industrial washers and dryers. Manage your laundry needs, check machine availability, and receive notifications when your cycle is complete. Enjoy promotions and easily locate service areas.

**Highlights:** Industrial washer and dryer booking, Real-time machine status checks, Operation time monitoring, Completion notifications, Price promotions, Service area locator

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

**In-app purchases:** none


## Frequently asked questions

### Is M free?

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

### Is Otteri free?

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

### Do M or Otteri have ads?

Neither M nor Otteri shows ads.

### Which is updated more often, M or Otteri?

M ships an update every 2 months, and Otteri every 3 weeks. Most recently, M was updated on October 21, 2026 and Otteri on October 26, 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.*