# Ju Smile vs Protein Log

The clearest difference is update cadence: Ju Smile at every 2 weeks against Protein Log's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Ju Smile ships an update every 2 weeks, Protein Log every 2 months. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Ju Smile | Protein Log |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Size | 5 MB | 29 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chiapei Chen](https://appshunter.io/developer/1866326229) | [taiga miura](https://appshunter.io/developer/1708040309) |

## What reviewers say

### Ju Smile

[App page](https://appshunter.io/ios/app/ju-smile/id6757354366)

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

**In-app purchases:** none


### Protein Log

[App page](https://appshunter.io/ios/app/protein-log-daily-tracker/id6780105043)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ju Smile free?

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

### Is Protein Log free?

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

### Do Ju Smile or Protein Log have ads?

Neither Ju Smile nor Protein Log shows ads.

### Which is updated more often, Ju Smile or Protein Log?

Ju Smile ships an update every 2 weeks, and Protein Log every 2 months. Most recently, Ju Smile was updated on November 5, 2026 and Protein Log on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*