Residue Disorders vs Kid Study
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Residue Disorders
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The Residue Disorders app helps students and patients learn and professionals teach residue swallowing disorders. The app features normal, vallecular, pyriform, pharyngeal and delay views. Animated anatomical illustrations, key disorder highlight and a video for each view help patients and students learn. Key disorder highlight, animation and video for each vallecular, pyriform, pharyngeal and delay views. - Structure ID, animation, MBS and FEES video for normal view. - MBS and FEES video for each disorder. - Zoom and pan all animations and highlights. - All zoom and pan views include an easy reset button. - Drawing Whiteboard features freeform lines in red, blue, green or black, screenshot whiteboard direct to Photos App for easy email and printing. - Disclaimer: seek a doctor’s advice in addition to using this app and before making any medical decisions. The Residue Disorders app makes learning swallowing disorders easy. See example screen shots below. Get the app today!
Kid Study
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It is suitable for preschool children to understand various basic cognitions.
Screenshots
Verdict
The clearest difference is price: Kid Study at Free against Residue Disorders's $4.99. Kid Study also leads on update cadence (monthly vs every 42 months). Residue Disorders's advantage is in-app purchases (none vs 5) and iOS requirement (11.0 vs 15.5). On ads 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
Kid Study is free to download; Residue Disorders costs $4.99 up front. Kid Study sells 5 one-off in-app purchases. Residue Disorders asks for nothing beyond the download.
Residue Disorders ships an update every 42 months, Kid Study monthly. The most recent releases landed on October 8, 2026 and October 25, 2026 respectively.
| Parameter | Residue Disorders | Kid Study |
|---|---|---|
| Price | $4.99 | Free — better |
| Update frequency | Every 42 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 46 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Blue Tree Publishing, Inc. | Jen Hsien Chen |
In-app purchases
Residue Disorders
No in-app purchases
Kid Study
- Animal Full Version$0.99
- Food Full Version$0.99
- Items Full Version$0.99
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- World, Environment & Nature Full$0.99
- Full Version$2.99
Questions
Is Residue Disorders free?
Is Kid Study free?
Do Residue Disorders or Kid Study have ads?
Which is updated more often, Residue Disorders or Kid Study?
Other comparisons
