Contact Lenses vs DS trainer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Contact Lenses
This app helps you track the usage of your contact lenses to ensure you use them for the optimal duration. It prevents premature disposal and avoids complications from overused lenses, saving you money and protecting your eye health.
- Track weekly lens usage
- Add various lens types via in-app purchase
- Set daily usage notifications
- View days left until expiration
- Monitor number of times lenses have been used
- Record lens start date
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Did you happen to forget how many times you have used your contact lenses? So practice but at the same time so difficult to manage! Contact Lenses is the application created to improve the welfare of your eyes, avoiding wasteful use of contact lenses or even worse, avoiding the inconvenience and complications due to use over the deadline. NO WASTE OF MONEY throwing the lenses prematurely, maximum CARE TO YOUR EYES sure to keep your lenses no longer than necessary. Your health is important! [Types of Contact Lenses] - Add lenses with weekly use - With In App Purchase you will have the ability to add other types of lenses: 1 week, 2 weeks, 1 month, 2 months, 3 months, 6 months, 1 year. [Notifications] - Turn on notifications and the system will ask you every day if you have used the lens with a notification; in this way you can always keep track of their use. You do not want to be disturbed by the notifications? Well, just turn off the option. Notifications will be automatically disabled if the lenses have expired. [Features] - Add lenses with weekly use - With In App purchase creates another 6 types of different lenses (with a duration of 2 weeks, 1 month, 2 months, 3 months, 6 months, 1 year) - Set the time of daily notification - Daily Notifications - Indicator days left to expiration - Indicator of number of times used - Date display when you started using the lenses - Add or remove lenses uses - Retina Display Graphics - Ease of use [Supported languages] English, Spanish, French, German, Italian and Dutch. [Support] If you like the app, don’t forget to leave us a review on the App Store. For suggestions please contact us at info@lionsapp.com, or visit lionsapp.com.
DS trainer
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App per gli atleti di DS-TRAINER group Hai in tempo reale i tuoi programmi di allenamento, le tue diete e le tue schede di valutazione da me create per te, sarai sempre connesso con il tuo coach ed avrai accesso sempre e ovunque ai tuoi dati. Scarica l'app e richiedici l'account di accesso e scoprirai un nuovo modo di allenarti. - Porta sempre con te la tua scheda di allenamento. - Consulta centinaia di schede tecniche ed esercizi esclusivi - Video 3D e mappe muscolari degli esercizi. - Gestisci il tuo diario di allenamento. - Consulta le schede pronte che ti metto a disposizione. - Analizza i tuoi progressi. - Tieni sotto controllo il tuo peso, la tua massa grassa e le tue misure. - Stai sempre in contatto con me. - I tuoi appuntamenti sempre sott'occhio. - Ricevi le news e le notifiche sulle novità. Richiedici la tua APP targata DS-TRAINER group!
Screenshots
Verdict
The clearest difference is price: DS trainer at Free against Contact Lenses's $0.99. DS trainer also leads on in-app purchases (none vs 1) and ads (none vs shown). Contact Lenses's advantage is update cadence (every 11 months vs every 39 months). On 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
DS trainer is free to download; Contact Lenses costs $0.99 up front. Contact Lenses sells 1 one-off in-app purchase. DS trainer asks for nothing beyond the download.
Contact Lenses ships an update every 11 months, DS trainer every 39 months. The most recent releases landed on November 6, 2026 and October 27, 2026 respectively.
| Parameter | Contact Lenses | DS trainer |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 4.8% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 11 months — better | Every 39 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.4 | 11.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | LionsApp di Nallbati Elton | Elpidio Di Santo |
In-app purchases
Contact Lenses
- Full Pack$1.99
DS trainer
No in-app purchases









