Tonic Day Spa vs Certini
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Tonic Day Spa
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Based in Heath Hayes Cannock, Tonic Day Spa has been established for over 20 years and we offer a unique, friendly and high quality health spa experience on your local high street. Offering treatments to men and women of all ages our skilled and highly trained therapists offer a wide range of treatments using the only the best products. Our app allows you to book treatment, browse and purchase a range of beauty products and keep up to date with our latest news and offers.
Certini
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Discover the ultimate cycling experience with the Certini Bicycle Co. app! Founded in 2001, Certini is a family-run cycle business built on over 25 years of trade expertise and a passion for all things cycling. With our app you can: ā¢ Browse and buy top bike brands ā road, mountain, hybrid and electric. ā¢ Explore accessories, parts and expert-approved gear from leading manufacturers. ā¢ Get access to our workshops for servicing, custom builds and professional advice. ā¢ Locate our store network in Plymouth, Bristol, Birmingham & Stafford and check availability for in-store Click & Collect. ā¢ Stay up to date with exclusive app-only deals, new arrivals and special offers. ā¢ Enjoy seamless checkout, delivery tracking and dedicated customer support from a team that scores excellent reviews for service and reliability. Download the Certini Bicycle Co. app today and ride into your next adventure with confidence, quality and the service of a team who truly live cycling.
Screenshots
Verdict
The clearest difference is update cadence: Tonic Day Spa at every 6 weeks against Certini's every 3 months. Tonic Day Spa also leads on iOS requirement (13.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Tonic Day Spa ships an update every 6 weeks, Certini every 3 months. The most recent releases landed on October 27, 2026 and October 9, 2026 respectively.
| Parameter | Tonic Day Spa | Certini |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks ā better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 ā better | 16.6 |
| Further details ā not scored | ||
| Size | 165 MB | 48 MB |
| Age rating | 4+ | 12+ |
| Developer | TEKNET CONSULTANTS LTD | Paul Sher |
In-app purchases
Tonic Day Spa
No in-app purchases
Certini
No in-app purchases
