# Glaucoma Timer vs Diabetes by Heart

The clearest difference is ads: Diabetes by Heart at none against Glaucoma Timer's shown. Glaucoma Timer's advantage is iOS requirement (12.4 vs 15.6). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on December 20, 2025 and September 19, 2026 respectively.

## The numbers

| Metric | Glaucoma Timer | Diabetes by Heart |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Monthly | Monthly |
| Size | 14 MB | 34 MB |
| Requires iOS | **12.4** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Seungju Yang](https://appshunter.io/developer/351993267) | [Fitwiz](https://appshunter.io/developer/1648156463) |

## What reviewers say

### Glaucoma Timer

[App page](https://appshunter.io/ios/app/glaucoma-timer/id1641205557)

**Features:** macOS Compatibility

**In-app purchases:** none


### Diabetes by Heart

[App page](https://appshunter.io/ios/app/diabetes-by-heart/id6443661535)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Glaucoma Timer free?

Glaucoma Timer is free to download, with no in-app purchases.

### Is Diabetes by Heart free?

Diabetes by Heart is free to download, with no in-app purchases.

### Do Glaucoma Timer or Diabetes by Heart have ads?

Glaucoma Timer shows ads; Diabetes by Heart does not.

### Which is updated more often, Glaucoma Timer or Diabetes by Heart?

Glaucoma Timer ships an update monthly, and Diabetes by Heart monthly. Most recently, Glaucoma Timer was updated on December 20, 2025 and Diabetes by Heart on September 19, 2026.

---

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