Holiday Guide vs iOTC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Holiday Guide
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List all holidays of many cultures. Convenient for users to manage their schedule.
iOTC
This reference app serves as a pharmacy shopping guide, offering detailed information on over-the-counter products. It helps users make informed purchases by providing brand selection guides, details on home medical equipment and tests, and information on available vaccines.
- OTC brand selection guide
- Home medical equipment and tests
- Available vaccines in pharmacies
- Vitamin & Mineral information
- Herbal supplements guide
- Pediatric and Infant OTC care
- Dual language support (English, Chinese, Spanish)
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There are all kinds of over the counter products(OTC) in pharmacies, and yet many of them we are not familiar with until we need to purchase one(s). There are so many looked like products, sounds like brand name or generic , different forms of OTC drugs, multiple use of OTC medications, plus homeopathic. herbal, vitamin supplements, vaccines, at home tests, home medical equipment and so on. Not to mention there are new OTC products and new vaccines are put on the market every year. Between pharmacy shelves and aisles consumers deserve to know more about these commonly used OTC products in order to make educated purchases in detail stores. iOTC is a reference app to provide useful information on OTC products as a pharmacy shopping guide. There are three parts to this app. 1. OTC brand selection guide. 2. Home medical equipment and tests. 3. Available vaccines in pharmacies. In the OTC brand selection guide there are ten contents: 1. Vitamin & Mineral 2. Herbal supplements 3. Adult OTC 4. Feminine Care 5. Pediatric OTC 6. Diabetic Care 7. New Drugs & Vaccines 8. Homeopathic 9. Seasonal OTC 10. Infant Care In order to be user friendly, the contents open up like a menu, and it goes by categories and OTC selections from each category or subcategory. Also It gives a list of vaccines in pharmacies that are available to the public. Plus, this app will give users up to 3 pharmacist’s recommended brand choices so that users can shop like a pro, ask questions like a pro. In addition, this app provides some information about newly FDA approved prescription, non prescription drugs and new vaccines. Using layman terms and menu like displays this app is easy like ABC for everyone to use, whether you are a first time pharmacy shopper or professionals. iOTC app is in duo languages, English and Chinese. Spanish and English. Caution: As with any vitamins & minerals, herbal supplements, non-prescription medications, vaccines, at home tests, home medical equipment or any over the counter products, consult your healthcare practitioner before using any of them, especially if you are pregnant, nursing, anticipate surgery, after surgery, take medication on a regular basis or are otherwise under medical supervision. Disclaimer: While iOTC strives to ensure the accuracy of any information in this app, we recommend that you consult your pharmacist and/or your healthcare practitioner before purchase and use. Not rely solely on the information provided by this app.
Screenshots
Verdict
The clearest difference is ads: iOTC at none against Holiday Guide's shown. iOTC also leads on update cadence (every 3 months vs every 51 months). Holiday Guide's advantage is iOS requirement (12.0 vs 15.4). On price, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Holiday Guide ships an update every 51 months, iOTC every 3 months. The most recent releases landed on September 23, 2026 and September 16, 2026 respectively.
| Parameter | Holiday Guide | iOTC |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 51 months | Every 3 months — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.4 |
| Further details — not scored | ||
| Size | 16 MB | 19 MB |
| Age rating | 4+ | 12+ |
| Developer | Chi-Cheng Liao | Pharmacy ABC, LLC |
In-app purchases
Holiday Guide
No in-app purchases
iOTC
No in-app purchases




