# Blood sugar diary App vs TRT Log

The clearest difference is ads: TRT Log at none against Blood sugar diary App's shown. TRT Log also leads on update cadence (every 6 days vs monthly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Blood sugar diary App sells 2 in-app purchases, starting at $0.99 per month and TRT Log sells 4 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Blood sugar diary App ships an update monthly, TRT Log every 6 days. The most recent releases landed on September 29, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Blood sugar diary App | TRT Log |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 9 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Frank Zander](https://appshunter.io/developer/1545716490) | [Necati Dogrul](https://appshunter.io/developer/1830290971) |

## What reviewers say

### Blood sugar diary App

[App page](https://appshunter.io/ios/app/blood-sugar-diary-app/id1548228564)

Track your blood sugar levels with an insulin diary, recording glucose readings, insulin units, and comments. Customize event texts, export data as CSV, and view statistics. A subscription unlocks all features and removes ads.

**Highlights:** Record blood sugar and insulin units, Customize event texts, Export data as CSV, View blood glucose statistics, Database backup, Dark Mode support

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Payment | $0.99 | per month |
| Yearly payment | $9.49 | per year |


### TRT Log

[App page](https://appshunter.io/ios/app/trt-log-injection-tracker/id6795310402)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TRT Log Pro Weekly | $3.99 | per 7 days |
| TRT Log Pro Monthly | $7.99 | per month |
| TRT Log Pro Annual | $39.99 | per year |
| TRT Log Lifetime | $89.99 | one-time |


## Frequently asked questions

### Is Blood sugar diary App free?

Blood sugar diary App is free to download, with in-app purchases available.

### Is TRT Log free?

TRT Log is free to download, with in-app purchases available.

### Do Blood sugar diary App or TRT Log have ads?

Blood sugar diary App shows ads; TRT Log does not.

### Which is updated more often, Blood sugar diary App or TRT Log?

Blood sugar diary App ships an update monthly, and TRT Log every 6 days. Most recently, Blood sugar diary App was updated on September 29, 2026 and TRT Log on October 12, 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.*