# Fun Calorie Tracker vs BoulderBuilder

The clearest difference is ads: Fun Calorie Tracker at none against BoulderBuilder's shown. Fun Calorie Tracker also leads on update cadence (every 3 days vs every 8 days). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Fun Calorie Tracker sells 3 in-app purchases, starting at $9.99 per month and BoulderBuilder sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Fun Calorie Tracker against 5.0 for BoulderBuilder. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Fun Calorie Tracker ships an update every 3 days, BoulderBuilder every 8 days. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Fun Calorie Tracker | BoulderBuilder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/fun-calorie-tracker-luko/id6788284565/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/boulderbuilder/id6805159301/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 8 days |
| Monetization | Free with in-app purchases | Freemium |
| Size | 190 MB | 28 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Zentari Labs Inc](https://appshunter.io/developer/6788284567) | [KEYAN AZBIJARI](https://appshunter.io/developer/6805159303) |

## What reviewers say

### Fun Calorie Tracker

[App page](https://appshunter.io/ios/app/fun-calorie-tracker-luko/id6788284565)

This app makes healthy eating and exercise feel like a game with a virtual dragon companion. It offers AI meal scanning, personalized workout plans, and a unique way to track progress by collecting virtual items.

**Highlights:** AI meal scanner, Personalized workout plans, Gamified progress tracking, Collectible sticker maps, Recipe inspiration

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Luko Gold Monthly | $9.99 | per month |
| Luko Gold | $34.99 | per year |
| Luko Gold | $49.99 | per year |


### BoulderBuilder

[App page](https://appshunter.io/ios/app/boulderbuilder/id6805159301)

Log climbing sessions with detailed context like grade, result, and movement styles. Visualize your climbing performance with progress pyramids to identify strengths, weaknesses, and training priorities. Track your progress over time with style breakdowns and grade trends.

**Highlights:** Log climbs with grade, result, and notes, Build performance pyramids by grade, Track progress over time, Customize grade systems, Private by design, data stays on device, Career-wide V-scale view

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BoulderBuilder Pro Monthly | $9.99 | per month |
| BoulderBuilder Pro Yearly | $49.99 | per year |


## Frequently asked questions

### Is Fun Calorie Tracker free?

Fun Calorie Tracker is free to download, with in-app purchases available.

### Is BoulderBuilder free?

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

### Which has better reviews, Fun Calorie Tracker or BoulderBuilder?

Fun Calorie Tracker and BoulderBuilder are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Fun Calorie Tracker or BoulderBuilder have ads?

BoulderBuilder shows ads; Fun Calorie Tracker does not.

### Which is updated more often, Fun Calorie Tracker or BoulderBuilder?

Fun Calorie Tracker ships an update every 3 days, and BoulderBuilder every 8 days. Most recently, Fun Calorie Tracker was updated on October 28, 2026 and BoulderBuilder on October 29, 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.*