Comparison

Impress vs Waves

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

Head to head
About

Impress

This app facilitates clear aligner orthodontic treatment by allowing patients to track progress and communicate with their orthodontist. It provides guidance, reminders, and photo submission features to streamline the straightening process and reduce in-clinic visits.

Highlights
  • Photo submission for progress tracking
  • Step-by-step treatment guidance
  • Orthodontist reminders and recommendations
  • Aligner change notifications
  • Direct chat with orthodontist
  • Reduced in-clinic visits
Features
Read full description

The Impress App is designed to simplify the lives of our patients undergoing clear aligner orthodontic treatment and allow our medical team to better monitor their progress and maximize the efficiency of their treatment. Straightening your teeth has never been easier, quicker or more convenient! Make the most of your invisible aligners treatment with the Impress App: - Take photos of your smile when the app prompts you to and share it with your orthodontist - Get guidance through every step of the treatment process - Receive reminders and recommendations from your designated orthodontist - Get notifications when it’s time to change your aligners - Chat directly with your orthodontist, anytime, from any place - Save time and avoid in-clinics visit (unless you prefer to) Important: The Impress App is intended for use under the supervision of your Impress orthodontist experts. Our Patient Care team will provide you access to the app as soon as you start your treatment. Our goal is to provide an app which meets your needs. Remember that to achieve the final result you must follow your orthodontist's instructions on the correct use of your aligners. Want to know more about Impress? Like us on Facebook: https://www.facebook.com/Smile2Impress/ Follow us on Instagram: https://www.instagram.com/impress_uk Subscribe to our YouTube channel: https://www.youtube.com/channel/UCQsPEMzsqiNG3eohsiv2pRQ/about Visit our website: https://smile2impress.com/uk Enjoy our blog articles on: https://smile2impress.com/uk/blog Our goal is to provide an app which meets your needs and makes your treatment process easier and more engaging. We’d love to hear from you so don’t hesitate to send us your feedback at app_support@smile2impress.com

About

Waves

Features
Read full description

The calm, honest labor toolkit — built to be used half-asleep, one-handed, at 3am. ONE-TAP CONTRACTION TIMER Tap when a wave starts, tap when it ends. Duration and time-between are logged automatically. Started the timer late? Fell asleep mid-contraction? Edit or delete any entry — included, forever. YOUR PATTERN, IN PLAIN LANGUAGE "Last hour: every 6 min, lasting ~55s." Waves compares your last hour to the classic 5-1-1 rule with a threshold you agree with your midwife. Information, never commands — the decision stays with you and your care team. KICK COUNTS FROM WEEK 28 Count to 10 movements daily, keep the streak, get a gentle reminder. The quiet habit your midwife will ask about. BUILT FOR THE PARTNER TOO During labor the phone is often in the partner's hands: giant tap targets, neutral wording, and a one-tap export of the whole log for the midwife. NO ADS. EVER. No weekly subscription. No account. Your contractions, kick counts and due date never leave your device. An optional one-time purchase adds calm extras: the hospital-bag checklist, a guided breathing pacer and the partner's guide. Waves provides information, not medical advice. Always follow the guidance of your midwife or doctor. Privacy Policy: https://laborkit-web.web.app/privacy/ Terms of Use: https://laborkit-web.web.app/terms/

Screenshots

Impress4 screens
Waves4 screens

Verdict

The call

The clearest difference is price: Impress at Free against Waves's $1.99. Impress also leads on in-app purchases (none vs 1). On update cadence, ads, device support and iOS requirement 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

Impress is free to download; Waves costs $1.99 up front. Waves sells 1 one-off in-app purchase. Impress asks for nothing beyond the download.

UpkeepUpdate frequency

Impress ships an update fortnightly, Waves every 4 weeks. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

Scorecard2 real differences · 8 level
Impress versus Waves: the parameters behind the verdict, then further details
ParameterImpressWaves
PriceFree — better$1.99
Rating4.5 (257 ratings) — better—
Positive reviews31.3% of reviews—
Number of ratings257 — better—
Update frequencyFortnightly — betterEvery 4 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhoneiPhone, iPad — better
Requires iOS16.4 — better17.0
Further details — not scored
Size152 MB2 MB
Age rating12+12+
DeveloperSmile2Impress SLYoussef Ziat

In-app purchases

None

Impress

No in-app purchases

1 purchases

Waves

One-time1
  • Waves Complete$14.99

Questions

Is Impress free?
Impress is free to download, with no in-app purchases.
Is Waves free?
Waves costs $1.99, and also offers in-app purchases.
Do Impress or Waves have ads?
Neither Impress nor Waves shows ads.
Which is updated more often, Impress or Waves?
Impress ships an update fortnightly, and Waves every 4 weeks. Most recently, Impress was updated on October 7, 2026 and Waves on October 10, 2026.

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