# Eye Drops Time vs Cancer Tracker

The clearest difference is in-app purchases: Eye Drops Time at none against Cancer Tracker's 17. Eye Drops Time also leads on update cadence (every 11 days vs every 5 months). Cancer Tracker's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Cancer Tracker sells 17 in-app purchases, starting at $4.95 per month. Eye Drops Time asks for nothing beyond the download.

Eye Drops Time ships an update every 11 days, Cancer Tracker every 5 months. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Eye Drops Time | Cancer Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (3 ratings)](https://appshunter.io/ios/app/cancer-tracker/id6743565076/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 11 days** | Every 5 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 6 MB | 218 MB |
| Requires iOS | **15.2** | 15.5 |
| Devices | iPhone, iPod, Apple Watch | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Hironori Dogan](https://appshunter.io/developer/525314447) | [Digital Therapeutics](https://appshunter.io/developer/1721663167) |

## What reviewers say

### Eye Drops Time

[App page](https://appshunter.io/ios/app/eye-drops-time/id1568703111)

Easily track when you apply eye drops. Record each application and view your history on a calendar. Set notifications to remind you when it's time for your next dose.

**Highlights:** Record eye drop application times, Calendar view of recorded times, Set medication reminders via notification, Simple and easy to use interface

**In-app purchases:** none


### Cancer Tracker

[App page](https://appshunter.io/ios/app/cancer-tracker/id6743565076)

This app helps individuals manage their cancer treatment by tracking symptoms, medications, and recovery progress. It provides insights into the body's response to treatment and facilitates better communication with healthcare providers. Features include medication reminders, progress charts, and secure, exportable reports.

**Highlights:** Symptom tracking with sliders and notes, Treatment and medication logging, Side effect monitoring, Progress charts and analytics, Medication and custom reminders, Nutrition and hydration tracking, Secure, exportable reports, Apple Health integration

**Features:** macOS Compatibility, Siri integration, Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases (17)**

| Purchase | Price | Billing |
| --- | --- | --- |
| steady pass | $4.95 | per month |
| easy pass | $7.99 | per 7 days |
| weather max | $9.99 | per 3 months |
| flex pass | $18.99 | per month |
| carey ai max | $19.99 | per month |
| yearly access | $19.99 | per year |
| smart pass | $19.99 | per year |
| limited discount | $19.99 | per year |
| carey ai ultra | $29.99 | per month |
| plus | $29.99 | per year |
| Premium Yearly | $34.99 | per year |
| yearly access | $39.99 | per year |
| Extended Trial | $39.99 | per year |
| 7-Day Trial | $49.99 | per year |
| store credit | $1.99 | one-time |
| carey ai credits | $8.99 | one-time |
| lifetime upgrade | $79.99 | one-time |


## Frequently asked questions

### Is Eye Drops Time free?

Eye Drops Time is free to download, with no in-app purchases.

### Is Cancer Tracker free?

Cancer Tracker is free to download, with in-app purchases available.

### Do Eye Drops Time or Cancer Tracker have ads?

Eye Drops Time shows ads; Cancer Tracker does not.

### Which is updated more often, Eye Drops Time or Cancer Tracker?

Eye Drops Time ships an update every 11 days, and Cancer Tracker every 5 months. Most recently, Eye Drops Time was updated on October 7, 2026 and Cancer Tracker on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*