# Diet Lights vs SugarNote

The clearest difference is ads: SugarNote at none against Diet Lights's shown. SugarNote also leads on update cadence (every 4 days vs every 2 weeks). Diet Lights's advantage is iOS requirement (15.1 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Diet Lights sells 3 in-app purchases, starting at $1.99 per 7 days and SugarNote sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Diet Lights ships an update every 2 weeks, SugarNote every 4 days. The most recent releases landed on September 7, 2026 and September 3, 2026 respectively.

## The numbers

| Metric | Diet Lights | SugarNote |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/diet-lights-weight-tracker/id6748281990/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 90.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 94 MB | 4 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [House201](https://appshunter.io/developer/1767211373) | [Moon gu Lee](https://appshunter.io/developer/1887272274) |

## What reviewers say

### Diet Lights

[App page](https://appshunter.io/ios/app/diet-lights-weight-tracker/id6748281990)

Track your weight and diet progress with a simple traffic light system. Log morning and evening weights, monitor fasting times, and record daily moods and meals. Visualize your trends and reach your target weight with helpful reminders.

**Highlights:** Traffic light weight progress system, Intermittent fasting timer, Daily mood and meal logging, Weight trend graphs, BMI calculation, Customizable reminders, Passcode lock

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 프리미엄 | $1.99 | per 7 days |
| Premium Monthly | $2.99 | per month |
| Premium | $12.99 | per year |


### SugarNote

[App page](https://appshunter.io/ios/app/sugarnote/id6782945049)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SugarNote Monthly | $0.99 | per month |


## Frequently asked questions

### Is Diet Lights free?

Diet Lights is free to download, with in-app purchases available.

### Is SugarNote free?

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

### Do Diet Lights or SugarNote have ads?

Diet Lights shows ads; SugarNote does not.

### Which is updated more often, Diet Lights or SugarNote?

Diet Lights ships an update every 2 weeks, and SugarNote every 4 days. Most recently, Diet Lights was updated on September 7, 2026 and SugarNote on September 3, 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.*