DIVUS iOPTIMA vs Chorus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DIVUS iOPTIMA
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With the new version of the DIVUS iOPTIMA app you can control your home automation system even when you are on the road. Use your iPhone, iPad or iPod touch in order to supervise and control the functions of your home via Wi-Fi or mobile network. The app acts as client software that connects to DIVUS KNXSERVER and thereby gives you access to your KNX system. The simple interface of the DIVUS iOPTIMA app gives you a good handle on all functionalities of your system. Not only lightning control is possible, even HVAC control, irrigation, scenarios, shutter functions, energy management, audio/video systems and much more can be easily managed remotely. In order to use the app, no additional configuration is required! Once your KNX bus system is working and you set up a DIVUS KNXSERVER, the DIVUS iOPTIMA app automatically downloads all necessary parameters from the network. After starting the app you can launch a search for a DIVUS KNXSERVER installed within your network. After adding the found product, you will gain access to all the KNX devices of your system after a short loading time. Important notes: This app can only be used in combination with DIVUS KNXSERVER of the latest generation (hardware with DIN rail mounting) and a working KNX installation. If none of those products can be found within the network, no communication with the bus system can be established. The app is available as iPad version (HD) as well as a standard version for iPhone / iPod Touch. Further information can also be found on our homepage. Application: - Residential - Offices - Commercial buildings - Industrial buildings Functions: - Light control (On / Off, dimming), shutters, irrigation,… - HVAC (Heating / Cooling) - Scenarios - Energy management
Chorus
Record your own affirmations and have them played back to you at scheduled times. Choose from pre-built methods or create custom routines to reinforce positive self-talk. Your recordings are stored locally for privacy.
- Record affirmations in your own voice
- Schedule playback times
- Create custom affirmation sequences
- Pre-built affirmation methods (3-6-9, 21-Day)
- Overnight programming option
- Local storage for recordings
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Chorus plays your affirmations back to you in your own voice, at the times you choose, every day. Most affirmation apps hand you someone else's words, read by someone else's voice. Chorus does the opposite. You record what you want to hear. Chorus handles when you hear it, and how many times. HOW IT WORKS 1. Record. Say it out loud, present tense, in your own voice. 2. Build a sequence. Add the recordings you want and set how many times each one repeats. 3. Pick a time. Set it to 7:30 and it means 7:30, every day, until you change it. At the scheduled time a notification arrives. One tap starts the session from the beginning, with your repetition rules applied. Lock the phone or switch apps and the audio keeps playing, which is exactly what an overnight sequence needs. No app can start audio on a phone that is fully closed. Chorus sends the notification at the exact minute and one tap does the rest. We would rather say that plainly than promise magic. START FROM A METHOD Four ready-made routines, each built around a way people have actually practised this: 3-6-9 Method. Three times in the morning, six at midday, nine at night. 21-Day Reprogramming. One sequence a day for twenty-one days, counted for you. Overnight Programming. Starts at bedtime, loops through the night, stops on its own in the morning. Keep the volume low: this is for familiarity, not for learning something new while asleep. The Subconscious Window. Two sessions a day, ten minutes after you wake and in the last half hour before you sleep. Every one builds a real, editable routine. Change the times, the recordings, the repeats. Nothing is fixed. A SOUND UNDER YOUR VOICE Put a soundscape under a session, a beach, a rainforest, a fire, rain, or a Frequency track: binaural beats from Delta to Gamma, best with headphones. Every routine can carry one, and you can change it any time. YOUR RECORDINGS STAY YOURS Everything you record is stored on your device. No upload, no cloud processing, nobody else listening. BUILT ON THE RESEARCH Every claim in the app names the study behind it, so you can go and check the work. Jenkins and Dallenbach on what is held on to across sleep. Sherman and Cohen on self-affirmation and stress. Gollwitzer on implementation intentions. Draganski on how adult brains change around whatever you practise. SUBSCRIPTION Chorus is a subscription app. One plan unlocks unlimited recordings, sequences and schedules: - Yearly: $89.99 per year, with the first month free - Monthly: $14.99 per month, with the first 3 days free - Weekly: $6.99 per week A free trial converts to a paid subscription when it ends unless you cancel at least 24 hours before. Payment is charged to your Apple ID at confirmation of purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period, and your account is charged for renewal within 24 hours of the end of the period. Manage or cancel any time in Settings > Apple ID > Subscriptions. Terms of Use (EULA): https://try-chorus.com/terms/ Privacy Policy: https://try-chorus.com/privacy/
Screenshots
Verdict
The clearest difference is in-app purchases: DIVUS iOPTIMA at none against Chorus's 3. DIVUS iOPTIMA also leads on ads (none vs shown) and iOS requirement (6.0.0 vs 15.1). Chorus's advantage is update cadence (every 3 days vs every 14 months). On price and device support 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
Both are free to download. Chorus sells 3 in-app purchases, starting at $6.99 per 7 days. DIVUS iOPTIMA asks for nothing beyond the download.
DIVUS iOPTIMA ships an update every 14 months, Chorus every 3 days. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.
| Parameter | DIVUS iOPTIMA | Chorus |
|---|---|---|
| Price | Free | Free |
| Rating | — | 2.7 (6 ratings) — better |
| Positive reviews | — | 25.0% of reviews |
| Number of ratings | — | 6 — better |
| Update frequency | Every 14 months | Every 3 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 6.0.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 2 MB | 72 MB |
| Age rating | 4+ | +4 |
| Developer | DIVUS GmbH | Derrick Agyekum |
In-app purchases
DIVUS iOPTIMA
No in-app purchases
Chorus
- Chorus Pro Weekly$6.997 Days
- Chorus Pro Monthly$14.991 Month
- Chorus Pro Yearly$89.991 Year









