# SD vs PianoOps

The clearest difference is review sentiment: PianoOps at 100% against SD's 33%. PianoOps also leads on rating (5.0 vs 2.6) and update cadence (every 2 weeks vs every 6 months). SD's advantage is ratings volume (13 vs 3). 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.

PianoOps holds the better App Store score, 5.0 against 2.6. Both are backed by a comparable volume of ratings — 13 and 3 respectively. Written reviews point the same way: 33% of SD's written reviews are positive against 100% of PianoOps's.

SD ships an update every 6 months, PianoOps every 2 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | SD | PianoOps |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (13 ratings)](https://appshunter.io/ios/app/sd-mobile/id1478924293/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/pianoops/id6748567563/reviews)** |
| Number of ratings | **13** | 3 |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 26 MB | 41 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Rossware Computing, Inc.](https://appshunter.io/developer/656407689) | [3Strand LLC](https://appshunter.io/developer/1826315922) |

## What reviewers say

### SD

[App page](https://appshunter.io/ios/app/sd-mobile/id1478924293)

This app allows technicians to manage their daily job list, report on completed tasks, and handle administrative duties. It facilitates job scheduling, part ordering, and payment processing for users of specific service desk software.

**Highlights:** View daily job list, Report on jobs and time punches, Create estimates and invoices, Process credit card payments, Order parts, Reschedule and create new jobs, Send interoffice messages

**Features:** macOS Compatibility

**In-app purchases:** none


### PianoOps

[App page](https://appshunter.io/ios/app/pianoops/id6748567563)

This business management platform is designed for professional piano technicians. It offers tools to streamline scheduling, manage customer information, and organize business operations directly from a mobile device.

**Highlights:** Scheduling management, Customer information management, Business operations streamlining, Mobile device accessibility, Developed by technicians for technicians

**In-app purchases:** none


## Frequently asked questions

### Is SD free?

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

### Is PianoOps free?

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

### Which has better reviews, SD or PianoOps?

PianoOps is rated higher. SD averages 2.6 out of 5 from 13 ratings, while PianoOps averages 5.0 from 3 ratings.

### Do SD or PianoOps have ads?

Neither SD nor PianoOps shows ads.

### Which is updated more often, SD or PianoOps?

SD ships an update every 6 months, and PianoOps every 2 weeks. Most recently, SD was updated on November 3, 2026 and PianoOps on November 5, 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.*