# HiLearning Mobile vs Calorie Challenger

The clearest difference is iOS requirement: HiLearning Mobile at 9.0 against Calorie Challenger's 12.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 26, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | HiLearning Mobile | Calorie Challenger |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Size | 29 MB | 147 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Habook Information Technology Inc.](https://appshunter.io/developer/638604688) | [Jon-Chao Hong](https://appshunter.io/developer/547495524) |

## What reviewers say

### HiLearning Mobile

[App page](https://appshunter.io/ios/app/hilearning-mobile/id1030308587)

**Features:** macOS Compatibility

**In-app purchases:** none


### Calorie Challenger

[App page](https://appshunter.io/ios/app/calorie-challenger/id6450919460)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HiLearning Mobile free?

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

### Is Calorie Challenger free?

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

### Do HiLearning Mobile or Calorie Challenger have ads?

Neither HiLearning Mobile nor Calorie Challenger shows ads.

### Which is updated more often, HiLearning Mobile or Calorie Challenger?

HiLearning Mobile ships an update monthly, and Calorie Challenger monthly. Most recently, HiLearning Mobile was updated on October 26, 2026 and Calorie Challenger on November 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.*