# Pro SMS Scheduler vs RMH NDI MViewer

The clearest difference is rating: Pro SMS Scheduler at 3.4 against RMH NDI MViewer's 1.0. Pro SMS Scheduler also leads on ratings volume (17 vs 1) and update cadence (fortnightly vs monthly). RMH NDI MViewer's advantage is monetization model (freemium vs subscription) and iOS requirement (16.0 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Pro SMS Scheduler sells 5 in-app purchases, starting at $2.99 per month and RMH NDI MViewer sells 1 in-app purchase, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

Pro SMS Scheduler holds the better App Store score, 3.4 against 1.0. That said, the two scores are not equally well evidenced: Pro SMS Scheduler has 17 ratings behind it against 1, so its average is the more settled of the two.

Pro SMS Scheduler ships an update fortnightly, RMH NDI MViewer monthly. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Pro SMS Scheduler | RMH NDI MViewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (17 ratings)](https://appshunter.io/ios/app/pro-sms-scheduler/id1020599755/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/rmh-ndi-mviewer/id6788793539/reviews) |
| Number of ratings | **17** | 1 |
| Positive reviews | 38.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Subscription | **Freemium** |
| Size | 18 MB | 6 MB |
| Requires iOS | 18.6 | **16.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Muhammad Ibrahim](https://appshunter.io/developer/1020599754) | [Racespot Media House GmbH](https://appshunter.io/developer/6788779487) |

## What reviewers say

### Pro SMS Scheduler

[App page](https://appshunter.io/ios/app/pro-sms-scheduler/id1020599755)

Schedule SMS messages to be sent automatically at any time, ensuring you never miss important events or forget to stay in touch. This app simplifies sending messages with one-tap sending and message templates, and syncs across devices via iCloud.

**Highlights:** Schedule SMS messages, Set recurring or one-time schedules, One-tap message sending, Create message templates, iCloud sync across devices, Contact group messaging

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro SMS Scheduler Basic | $2.99 | per month |
| Pro SMS Scheduler Plus | $12.99 | per 3 months |
| Pro SMS Scheduler Elite | $19.99 | per year |
| Pro SMS Scheduler Premium | $19.99 | per 6 months |
| Pro SMS Scheduler Lifetime | $59.99 | one-time |


### RMH NDI MViewer

[App page](https://appshunter.io/ios/app/rmh-ndi-mviewer/id6788793539)

Transform your Apple devices into professional NDI monitors and multiviewers for live production and streaming. View NDI sources in full-screen or monitor multiple feeds simultaneously with flexible grid layouts and audio level meters.

**Highlights:** Full-screen NDI source monitoring, Flexible multiview grids (2+6, 2x2, 3x3, 4x4), Audio level meters, Automatic NDI source discovery, Low-latency Metal rendering, Supports full-bandwidth NDI and NDI|HX

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NDI MViewer Pro | $8.99 | per month |


## Frequently asked questions

### Is Pro SMS Scheduler free?

Pro SMS Scheduler is free to download, with in-app purchases available.

### Is RMH NDI MViewer free?

RMH NDI MViewer is free to download, with in-app purchases available.

### Which has better reviews, Pro SMS Scheduler or RMH NDI MViewer?

Pro SMS Scheduler is rated higher. Pro SMS Scheduler averages 3.4 out of 5 from 17 ratings, while RMH NDI MViewer averages 1.0 from 1 ratings.

### Do Pro SMS Scheduler or RMH NDI MViewer have ads?

Neither Pro SMS Scheduler nor RMH NDI MViewer shows ads.

### Which is updated more often, Pro SMS Scheduler or RMH NDI MViewer?

Pro SMS Scheduler ships an update fortnightly, and RMH NDI MViewer monthly. Most recently, Pro SMS Scheduler was updated on November 1, 2026 and RMH NDI MViewer on October 31, 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.*