Well Tempered vs OttOrgan
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Well Tempered
This app provides precise chromatic instrument tuning using your device's speaker and microphone. It offers a vast library of temperaments and customizable reference frequencies, along with a built-in keyboard for immediate sound testing. Control is also available via Apple Watch.
- Chromatic instrument tuner
- Pitch pipe and tuning fork
- 268 unique temperaments
- Customizable reference frequency
- Built-in keyboard for testing
- Apple Watch control
Read full descriptionHide full description
Well Tempered is a chromatic instrument tuner, pitch pipe and tuning fork using your iPhone or iPads speaker and microphone, or an external microphone. Well Tempered features 268 unique temperaments that you can customize to start with any of 12 notes, totalling 3205 unique tunings! You can define a precise reference frequency, such as A = 417.32 Hz, making Well Tempered a favourite among instrument makers. With all these tuning options, Well Tempered provides a keyboard so that you can play with the tuning right away to decide if this is the tuning you want for the music you will play on your instrument. Control the tuner through your Apple Watch Made by musicians, for musicians with input from musicians
OttOrgan
This application allows users to play a specific house organ sample set using a MIDI keyboard and pedal on iOS or macOS devices. It provides access to a unique five-rank manual and attached pedal with a 16' subbass.
- Play Ott-Orgel sample set
- Connect MIDI keyboard
- Connect MIDI pedal
- iOS and macOS support
- House organ simulation
Read full descriptionHide full description
OttOrgan lets you play the Ott-Orgel sample set of Christian Datzko on a MIDI keyboard and a MIDI pedal attached to your iOS or macOS device. The Ott organ is a house organ with five ranks at one manual and an attached pedal with a 16' subbass. If you would like to use the sample set with other software, you can get it at http://orgel.datzko.ch/main.EN.html. For more information, please consult the app support page http://polaron.de/OttOrgan/ , the Napo documentation at http://polaron.de/Napo/ and in particular the Napo user manual at http://polaron.de/Napo/manual . For hearing sound examples of the app, please visit the support page http://polaron.de/OttOrgan/ .
Screenshots
Verdict
The clearest difference is review sentiment: OttOrgan at 100% against Well Tempered's 40%. OttOrgan also leads on rating (5.0 vs 3.7) and iOS requirement (12.5.6 vs 15.0). Well Tempered's advantage is price ($4.99 vs $9.00) and update cadence (every 2 months vs every 5 months). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Well Tempered costs $4.99 and OttOrgan $9.00 up front. Neither carries in-app purchases, so what you see is what you pay.
OttOrgan holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 3 respectively. Written reviews point the same way: 40% of Well Tempered's written reviews are positive against 100% of OttOrgan's.
Well Tempered ships an update every 2 months, OttOrgan every 5 months. The most recent releases landed on October 29, 2026 and October 26, 2026 respectively.
| Parameter | Well Tempered | OttOrgan |
|---|---|---|
| Price | $4.99 — better | $9.00 |
| Rating | 3.7 (3 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 40.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 3 | 3 |
| Update frequency | Every 2 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 15.0 | 12.5.6 — better |
| Further details — not scored | ||
| Size | 17 MB | 340 MB |
| Age rating | 4+ | 4+ |
| Developer | Niklas Saers | Markus Sigg |
Customer experience
Well Tempered
OttOrgan
In-app purchases
Well Tempered
No in-app purchases
OttOrgan
No in-app purchases
Questions
Is Well Tempered free?
Is OttOrgan free?
Which has better reviews, Well Tempered or OttOrgan?
Do Well Tempered or OttOrgan have ads?
Which is updated more often, Well Tempered or OttOrgan?
Other comparisons
