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Smile Aligners vs Toothfairy

Starting price, treatment length, supervision, FDA safety record and full spec sheet for Smile Aligners and Toothfairy, side by side. Every figure links to the source that states it.

Prices verified Sep 30, 2026FDA records verified Sep 30, 2026
9comparisons with Smile Aligners
9comparisons with Toothfairy

Smile Aligners (DayNight (dual or single arch), NightFit (dual or single arch))·Toothfairy (Toothfairy Aligners)

Smile Aligners
Remote
Toothfairy
Hybrid
At a glance
Starting price
£625list £1,025
£1,999+ £99 to start

Blue marks the lower price only where every compared price is quoted the same way (a monthly price in US dollars); prices quoted in another currency, as a one-time fee or as a provider-set range are shown exactly as stated and never converted. Adverse-event figures are raw counts of reports filed with the FDA, not rates (what the reports mean). Each spec value opens that brand's spec sheet, and its numbered sources verify the specs as a set. None of this is a recommendation: the right choice depends on your case, your budget and, above all, an in-person exam by a dentist or orthodontist.

The bottom line

What actually differs

  • Neither is marked lower, since only monthly prices quoted in US dollars are ranked against each other: Smile Aligners £625 and Toothfairy £1,999.
  • Typical treatment differs: Smile Aligners 3-5 months and Toothfairy 3-6 months.
  • They differ on oversight: Smile Aligners is fully remote (mail-order, reviewed online) and Toothfairy is hybrid (remote care with an in-person clinic option).
Go deeper

Open the full record

Smile Aligners
  • Prices
  • Treatment length
  • Supervision
  • FDA safety
  • Specs
  • Sources
  • Where to get it
Toothfairy
  • Prices
  • Treatment length
  • Supervision
Keep comparing

Every comparison with these brands

Each brand against every other brand on the market. All comparisons

All 9 comparisons with Smile Aligners

  • vs Basma
  • vs Caspersmile
  • vs Impress
  • vs Invisalign
  • vs Smile Perfect
  • vs Smileie
  • vs SmileWhite
InvisibleBraces is an informational data platform, not a dentist, an orthodontist, or a seller of aligners. Nothing here is dental or medical advice, a diagnosis, or a recommendation to start, stop, or change any treatment. At-home clear aligners are not right for every case, and moving teeth without an in-person exam carries real risk. Data is aggregated from public sources and each brand's own terms and can be incomplete or out of date. Always consult a licensed dentist or orthodontist and confirm current prices and terms with the provider.
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The independent, fully-cited comparison of at-home clear aligner brands. Every figure traces to its source. Informational only, not dental or medical advice.

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Typical treatment
3-5 months
3-6 months
Supervision
Remote
Hybrid
FDA safety
No recalls
No recalls
FDA adverse-event reports
0
0
Treatment
Treats
CrowdingSpacing and gapsOverbiteUnderbiteCrossbiteDeep biteRelapse after braces
Mild-to-moderate crowdingSpacing and gapsMinor single-arch adjustments (Easy plan)Advanced crowding with dentist-created space (Pro plan)
Product lines
DayNight (dual or single arch), NightFit (dual or single arch)
Toothfairy Aligners
Wear schedule
All-day (22 hrs) or night-only (10 hrs)
All-day wear (about 22 hours per day); trays advanced on the dentist-set schedule (cadence not published).
Spec sheet
Start method
At-home Smile Kit (GBP 39.95) taken on a video call and collected by courier, or a 3D scan at a partner scan centre (price not published)
In-clinic 3D digital dental scan by a GDC-licensed dentist (no at-home impression kit); progress tracked via app photo uploads.
Material
Not published (described as BPA-free medical-grade plastic; no manufacturer named)
Clear, flexible, BPA-free plastic (virtually invisible trays).
Retainers
One set of retainers included with every aligner plan; extra sets from GBP 104 for one set
Not published whether retainers are included in the plan price.
Whitening
A teeth whitening kit is included with the aligner plans
Free teeth whitening (RRP £399) included with the Core plan and higher.
Refinements / touch-ups
No allowance or price published; the FAQ says extra aligners, if needed, are discussed before any extra cost
Not published; up to two free replacements are provided for lost or broken aligners during treatment.
Guarantee
Full refund of the treatment fee if its dental professionals judge you unsuitable; aligners are non-refundable once production starts; no guarantee of results
No published money-back guarantee found.
Clinical oversight
Remote: the site says all plans are approved by a GDC-registered dentist but names no dentist and gives no GDC number
24/7 supervision by UK GDC-licensed, fully indemnified dentists via the Toothfairy app; company is regulated by the Care Quality Commission.
Financing
6 instalments through Partial.ly starting with GBP 125, no credit check
0% APR plans: £166/month over 12 months or £333/month over 6 months (no credit check); a 48-month plan from £50/month at 9.9% interest.
HSA / FSA
Not applicable (United Kingdom; US HSA/FSA does not apply)
Not applicable (United Kingdom).
Insurance
Not stated
Aligner treatment is self-pay with finance options; Toothfairy separately offers employer/business dental benefit plans.
Availability
United Kingdom (free UK shipping; partner scan centres in London, Edinburgh, Birmingham, Crawley, Plymouth and Manchester)
United Kingdom
Headquarters
London, United Kingdom (registered office: Unit F22 Birch House, Fraser Road, Erith DA8 1QX)
London, United Kingdom
Spec sources
  1. 1.smilealigners.co.uk
  2. 2.smilealigners.co.uk
  3. 3.smilealigners.co.uk
  4. 4.smilealigners.co.uk
  5. 5.smilealigners.co.uk
  6. 6.smilealigners.co.uk
  7. 7.smilealigners.co.uk
  8. 8.smilealigners.co.uk
  9. 9.smilealigners.co.uk
  10. 10.smilealigners.co.uk
  11. 11.find-and-update.company-information.service.gov.uk
  1. 1.toothfairyapp.co.uk
  2. 2.toothfairyapp.co.uk
  3. 3.toothfairyapp.co.uk
  4. 4.toothfairyapp.co.uk
Company
On the market since
2025
2019
Parent company
Smile Aligners Ltd (Companies House 16725573, incorporated 17 September 2025), United Kingdom
Toothfairy, a UK health-regulated dental app (company registration no. 11118805), founded by dentists Dr Deepak Aulak and Dr Kian Dhinsa; headquartered in London, United Kingdom.
  • FDA safety
  • Specs
  • Sources
  • Where to get it
  • vs Straight Teeth Direct
  • vs Toothfairy (this page)

    • All 9 comparisons with Toothfairy

    • vs Basma
    • vs Caspersmile
    • vs Impress
    • vs Invisalign
    • vs Smile Aligners (this page)
    • vs Smile Perfect
    • vs Smileie
    • vs SmileWhite
    • vs Straight Teeth Direct