# Spark vs WatchBMI

The clearest difference is price: Spark at Free against WatchBMI's $0.99. WatchBMI's advantage is in-app purchases (none vs 1) and update cadence (daily vs monthly). On ads and device support there is nothing between them.

Spark is free to download; WatchBMI costs $0.99 up front. Spark sells 1 one-off in-app purchase. WatchBMI asks for nothing beyond the download.

Spark ships an update monthly, WatchBMI daily. The most recent releases landed on October 14, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Spark | WatchBMI |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[3.0 (3 ratings)](https://appshunter.io/ios/app/spark-calorie-counter/id715165055/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 69.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 38 MB | 0 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 17+ |
| Developer | [Dmitri Marfin](https://appshunter.io/developer/715165058) | [James Nachbar](https://appshunter.io/developer/1755655828) |

## What reviewers say

### Spark

[App page](https://appshunter.io/ios/app/spark-calorie-counter/id715165055)

This offline calorie tracker helps you monitor your daily food intake and body measurements. It features a built-in Russian food database and allows for custom food entries. Sync your progress with Apple Health for a comprehensive overview of your health journey.

**Highlights:** Offline calorie tracking, Built-in Russian food database, Log meals by time, Track body measurements, Add custom foods, Sync with Apple Health

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Awesome calorie counter No Ads | $3.99 | one-time |


### WatchBMI

[App page](https://appshunter.io/ios/app/watchbmi/id6514276372)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Spark free?

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

### Is WatchBMI free?

WatchBMI costs $0.99, with no in-app purchases.

### Do Spark or WatchBMI have ads?

Neither Spark nor WatchBMI shows ads.

### Which is updated more often, Spark or WatchBMI?

Spark ships an update monthly, and WatchBMI daily. Most recently, Spark was updated on October 14, 2026 and WatchBMI on October 27, 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.*