Comparison

MDA800 OPTICAL vs Chroniton

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

MDA800 OPTICAL

Features
Read full description

After connecting App to Car Amplifier with Integrated DSP,  EQ, BASS, TIME ALIGNMENT, PHASE, MUTE, FILTER , SAVE SOUND SETTING TO PHONE, SAVE SOUND SETTING TO AMPLIFIER, LOAD SOUND SETTING FROM PHONE, RCA OUTPUT etc could be controlled through this App. How to use: 1.Install App and turn on power of car 2. Turn on Bluetooth on your iPhone 3,Open App and wait for around 5 seconds, then click “Connect” icon in left corner of bottom. Amplifier will be connected to App automatically. 4.DIY you preferred sound and then click “Save to AMP” icon to save. Or click “ Save to Phone” to save.   Note: 1.Do not exit app during saving and do not turn off power supply, program may be shut down caused by this.

About

Chroniton

This app helps you track important dates and recurring events, providing reminders for future tasks. It's useful for managing everything from car maintenance and household chores to personal milestones and pet care.

Highlights
  • Event and date tracking
  • Customizable categories
  • Next due date reminders
  • Photo and note attachments
  • One-tap date updates
  • Email event sharing
  • iCloud sync
Features
Read full description

Chroniton is an event and date tracker that helps you remember when something was done and reminds you when you need to revisit it again. Use Chroniton to: - Keep track of automotive maintenance (oil changes, when tires were last changed, when next regular service is due, etc) - Track recurring household maintenance needs (furnace/AC filter changes, last gutter cleaning, etc) - Track purchase dates and warranty expiration dates. - Keep lists of significant personal events (last eye exam, last dental cleaning, last check of credit reports, etc) - Remember a history of events for you kids such as the last allowance raise, the last time school portraits were done, etc. - Track pet-related events like vet visits, immunizations, license/tag registrations, etc. - Keep a reminder of important financial dates (when you last paid your annual car insurance premium, date you signed your apartment lease, date you signed your cell phone contract, when you last reviewed your W2 status, etc) - Keep track of any event you want to be able to refer back to! Key Features: - Add photo to events - Add unlimited notes to any event - Define your own categories - Assign a “next due” date to any event (events due soon show a yellow indicator, events past due show a red indicator) - Update an event’s date as “done today” with one tap - Send any event, or your whole list, to an email - Reorder events and categories to see your most important items at the top - Quick-entry buttons to set dates a week, a month, or a year in the future - Easily add or delete events from the main screen - Portrait and landscape views supported on both iPhone and iPad - Use multiple devices with automatic iCloud sync

Screenshots

MDA800 OPTICAL4 screens
Chroniton3 screens

Verdict

The call

The clearest difference is update cadence: MDA800 OPTICAL at every 10 months against Chroniton's every 38 months. MDA800 OPTICAL also leads on iOS requirement (9.0 vs 16.4). On price, ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

MDA800 OPTICAL ships an update every 10 months, Chroniton every 38 months. The most recent releases landed on October 10, 2026 and October 15, 2026 respectively.

Scorecard2 real differences · 6 level
MDA800 OPTICAL versus Chroniton: the parameters behind the verdict, then further details
ParameterMDA800 OPTICALChroniton
PriceFreeFree
Positive reviews—100.0% of reviews
Update frequencyEvery 10 months — betterEvery 38 months
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS9.0 — better16.4
Further details — not scored
Size6 MB2 MB
Age rating4+4+
Developer杏生 卢Driftwood Studio Software LLC

In-app purchases

None

MDA800 OPTICAL

No in-app purchases

None

Chroniton

No in-app purchases

Questions

Is MDA800 OPTICAL free?
MDA800 OPTICAL is free to download, with no in-app purchases.
Is Chroniton free?
Chroniton is free to download, with no in-app purchases.
Do MDA800 OPTICAL or Chroniton have ads?
Neither MDA800 OPTICAL nor Chroniton shows ads.
Which is updated more often, MDA800 OPTICAL or Chroniton?
MDA800 OPTICAL ships an update every 10 months, and Chroniton every 38 months. Most recently, MDA800 OPTICAL was updated on October 10, 2026 and Chroniton on October 15, 2026.

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