Comparison

DDS GP vs Kois Reader

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

Head to head
About

DDS GP

This application helps dental professionals visually explain oral health conditions and treatment options to their patients. It allows users to draw on the screen, add their own images, and create custom treatment plans for printing or sending.

Highlights
  • Visual patient consultations
  • Tap and drag to show conditions
  • On-screen drawing and saving
  • Add and draw on custom images
  • Custom treatment plan creation
  • Over 200 demonstrations
Features
Read full description

*Rated BEST chair side case presentation software/app by Gordon Christensen's CR (reprints available). *Chosen as a "Best Product" by Gordon Christensen's CR. *Awarded "Five Stars" by Dental Product Shopper reviewers, best rating of any product ever tested. DDS GP is for dental professionals to show conditions and treatments to their patients. TAP and DRAG to easily show severity of decay, periodontal disease, cracks, and numerous other conditions and procedures. DRAW right on the screen with your finger... then save your drawings. ADD your own images or photos from your photo library, then draw on and save them. SEND OR PRINT custom treatment plans to your patients. OVER 200 unique demonstrations! CONSISTENTLY UPDATED and improved. DDS GP is all you’ll need for patient consultations. *Remember, doctor: your patients are there to see YOU, not a video. Leaving a patient in front of a video demo with a voice-over artist doing the talking is NOT ENOUGH! Review our privacy policy and terms and conditions here: https://www.ddsgp.com/privacy.html Review our Terms of Use here: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Kois Reader

Access Kois Course materials, including manuals, checklists, and videos. Features live polling, automatic note backup and syncing across devices, and the ability to share notes with other participants. Requires course attendance for full access.

Highlights
  • Access course manuals and videos
  • Live in-course polling
  • Automatic note backup and sync
  • Share notes with participants
  • Browse page thumbnails
  • Navigation history
Features
Read full description

The Kois Reader is the new and improved method for viewing Kois Course Materials. Access your course manuals, always pages, procedure checklist, videos, etc. ** Note: Course attendance required for materials access. New Features Include: + Live in-course polling from directly within the manual while at the Kois Center. + View document size before downloading. + Notes are automatically backed up and sync across devices. + Notes can be shared between participants within a course. + The notes list displays location of, date/time created, context of the note(s). + Browse through page thumbnails. + Forward and Back buttons, returns you to previous location(s) after jumping around content.

Screenshots

DDS GP4 screens
Kois Reader4 screens

Verdict

The call

The clearest difference is review sentiment: DDS GP at 79% against Kois Reader's 20%. DDS GP also leads on rating (4.7 vs 3.6) and update cadence (fortnightly vs every 9 months). Kois Reader's advantage is in-app purchases (none vs 5) and ads (none vs shown). On price, ratings volume 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. DDS GP sells 5 in-app purchases, starting at $89.00 per month. Kois Reader asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

DDS GP holds the better App Store score, 4.7 against 3.6. Both are backed by a comparable volume of ratings — 11 and 10 respectively. Written reviews point the same way: 79% of DDS GP's written reviews are positive against 20% of Kois Reader's.

UpkeepUpdate frequency

DDS GP ships an update fortnightly, Kois Reader every 9 months. The most recent releases landed on September 21, 2026 and August 14, 2026 respectively.

Scorecard7 real differences · 3 level
DDS GP versus Kois Reader: the parameters behind the verdict, then further details
ParameterDDS GPKois Reader
PriceFreeFree
Rating4.7 (11 ratings) — better3.6 (10 ratings)
Positive reviews78.8% of reviews — better20.0% of reviews
Number of ratings11 — better10
Update frequencyFortnightly — betterEvery 9 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.514.0 — better
Further details — not scored
Size252 MB75 MB
Age rating12+4+
DeveloperKick Your Apps, Inc.Kois Center

Customer experience

DDS GP

All ratings11 ratings
Positive90.9%
Neutral0.0%
Negative9.1%
Written reviews52 reviews
Positive78.8%
Neutral3.8%
Negative17.3%

Kois Reader

All ratings10 ratings
Positive60.0%
Neutral10.0%
Negative30.0%
Written reviews5 reviews
Positive20.0%
Neutral0.0%
Negative80.0%

In-app purchases

5 purchases

DDS GP

Subscriptions3
  • Monthly14 Days trial$89.001 Month
  • Yearly14 Days trial$499.001 Year
  • Yearly Special14 Days trial$499.991 Year
One-time2
  • DDS YES Homoly Content$99.99
  • Lifetime Membership$1699.99
None

Kois Reader

No in-app purchases

Questions

Is DDS GP free?
DDS GP is free to download, with in-app purchases available.
Is Kois Reader free?
Kois Reader is free to download, with no in-app purchases.
Which has better reviews, DDS GP or Kois Reader?
DDS GP is rated higher. DDS GP averages 4.7 out of 5 from 11 ratings, while Kois Reader averages 3.6 from 10 ratings.
Do DDS GP or Kois Reader have ads?
DDS GP shows ads; Kois Reader does not.
Which is updated more often, DDS GP or Kois Reader?
DDS GP ships an update fortnightly, and Kois Reader every 9 months. Most recently, DDS GP was updated on September 21, 2026 and Kois Reader on August 14, 2026.

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