# M vs Smart Solar +

The clearest difference is rating: Smart Solar + at 5.0 against M's 4.6. M's advantage is ratings volume (1.2K vs 2). 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.

Smart Solar + holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: M has 1.2K ratings behind it against 2, so its average is the more settled of the two.

M ships an update every 10 days, Smart Solar + every 2 weeks. Both last shipped on September 21, 2026.

## The numbers

| Metric | M | Smart Solar + |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (1.2K ratings)](https://appshunter.io/ios/app/m-tag-one-network/id1574366732/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/smart-solar-plus/id6742374869/reviews)** |
| Number of ratings | **1.2K** | 2 |
| Positive reviews | 32.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Monetization | Free | Free |
| Size | 52 MB | 79 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [One Network (Private) Limited](https://appshunter.io/developer/1574366734) | [Sheraz Aslam](https://appshunter.io/developer/1798060185) |

## What reviewers say

### M

[App page](https://appshunter.io/ios/app/m-tag-one-network/id1574366732)

Easily manage your M-Tag account on the go. Check your balance, view travel history, and recharge your tag securely. Review past trips and expenses to stay on top of your account details.

**Highlights:** Check account balance, View travel history, Securely recharge M-TAG, Review recent activity, Track trip details and costs, Compare monthly expenses

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Quick and convenient
- 💡 Helpful for motorway travel

**What reviewers complain about**

- 🐛 Login and signup issues
- 🐛 App crashes and glitches
- 🚫 Unable to use out of country
- 🚫 Incompatible with newer devices
- ⚠️ Poor customer support

**Reported bugs**

- Login not working
- Signup not functioning
- Incorrect M-Tag information
- App crashing after updates

**Requested features**

- Ability to transfer/share M-Tag balance
- Postpaid monthly billing option
- Mandatory M-Tag purchase with new vehicle


### Smart Solar +

[App page](https://appshunter.io/ios/app/smart-solar-plus/id6742374869)

Monitor your solar inverter's performance and settings remotely. View real-time statistics, historical charts, and usage details. Receive alerts for faults or device offline status, and manage inverter settings with timer options.

**Highlights:** Real-time inverter statistics, Historical chart data, Usage details by time period, Fault and warning alerts, Inverter setting adjustments, Timer for automatic setting changes, Unlimited device support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is M free?

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

### Is Smart Solar + free?

Smart Solar + is free to download, with no in-app purchases.

### Which has better reviews, M or Smart Solar +?

Smart Solar + is rated higher. M averages 4.6 out of 5 from 1.2K ratings, while Smart Solar + averages 5.0 from 2 ratings.

### Do M or Smart Solar + have ads?

Neither M nor Smart Solar + shows ads.

### Which is updated more often, M or Smart Solar +?

M ships an update every 10 days, and Smart Solar + every 2 weeks. Most recently, M was updated on September 21, 2026 and Smart Solar + on September 21, 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.*