# RateTracker vs FlysoundsMax

The clearest difference is in-app purchases: FlysoundsMax at none against RateTracker's 8. FlysoundsMax also leads on ads (none vs shown). RateTracker's advantage is chart position (#128 vs unranked). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. RateTracker sells 5 in-app purchases, starting at $6.99 per 7 days. FlysoundsMax asks for nothing beyond the download.

RateTracker ships an update every 10 days, FlysoundsMax fortnightly. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | RateTracker | FlysoundsMax |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (5.5K ratings)](https://appshunter.io/ios/app/ratetrackerblood-sugar/id6746534819/reviews)** | — |
| Number of ratings | **5.5K** | — |
| Positive reviews | 9.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#128** | — |
| Size | 108 MB | 152 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [X-SPARK HK LIMITED](https://appshunter.io/developer/1810957610) | [Flysound Medical Limited](https://appshunter.io/developer/1857885441) |

## What reviewers say

### RateTracker

[App page](https://appshunter.io/ios/app/ratetrackerblood-sugar/id6746534819)

**Currently charting:** #128 Top Grossing · Utilities (US App Store)

This app helps you monitor vital health metrics like heart rate, blood sugar, and blood pressure. It also supports lifestyle goals such as quitting smoking and tracking GLP-1 medication side effects. Gain insights into your health trends and receive motivational support.

**Highlights:** Heart Rate & Blood Sugar Tracking, Heart Health Report, GLP-1 Tracker, Blood Pressure Monitor, Quit-Smoking Goals

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $6.99 | per 7 days |
| Weekly Access | $7.99 | per 7 days |
| Weekly Access | $9.99 | per 7 days |
| Monthly Access | $19.99 | per month |
| Yearly Access | $39.99 | per year |

**What reviewers like**

- 👍 Easy to measure

**What reviewers complain about**

- ❌ Not accurate at all
- ❌ Worthless app
- ❌ False advertising
- ❌ Doesn't do anything
- ❌ Poorly made, cash grab app

**Reported bugs**

- Exact same readings across multiple checks
- Impossible to cancel
- Heart rate not matching other monitors

**Requested features**

- Allow testing before purchase
- Add blood sugar tracker


### FlysoundsMax

[App page](https://appshunter.io/ios/app/flysoundsmax/id6756059638)

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

**In-app purchases:** none


## Frequently asked questions

### Is RateTracker free?

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

### Is FlysoundsMax free?

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

### Do RateTracker or FlysoundsMax have ads?

RateTracker shows ads; FlysoundsMax does not.

### Which is updated more often, RateTracker or FlysoundsMax?

RateTracker ships an update every 10 days, and FlysoundsMax fortnightly. Most recently, RateTracker was updated on October 24, 2026 and FlysoundsMax on October 10, 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.*