# ムーンフラグ vs Symptio

The clearest difference is in-app purchases: ムーンフラグ at none against Symptio's 5. ムーンフラグ also leads on iOS requirement (12.0 vs 17.0). Symptio's advantage is ads (none vs shown) and update cadence (every 6 days vs every 8 months). On price and device support there is nothing between them.

Both are free to download. Symptio sells 5 in-app purchases, starting at $4.99 per month. ムーンフラグ asks for nothing beyond the download.

ムーンフラグ ships an update every 8 months, Symptio every 6 days. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ムーンフラグ | Symptio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/symptio-symptom-tracker/id6761065369/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 114 MB | 13 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [Sumie Watanabe](https://appshunter.io/developer/1349237972) | [Liwei Xie](https://appshunter.io/developer/1106616046) |

## What reviewers say

### ムーンフラグ

[App page](https://appshunter.io/ios/app/id1619732285)

**Features:** macOS Compatibility

**In-app purchases:** none


### Symptio

[App page](https://appshunter.io/ios/app/symptio-symptom-tracker/id6761065369)

Track symptoms, medications, and triggers to identify health patterns. Visualize trends with charts and gain insights into your well-being. Syncs with Apple Health and offers family profiles for comprehensive care.

**Highlights:** Symptom logging (1-10 rating), Add photos, medications, notes, triggers, 7-day and 30-day trend charts, Calendar heatmap, Smart Insights for pattern detection, Apple Health sync, Family profiles, PDF and CSV report export

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Symptio Pro | $4.99 | per month |
| Symptio Pro | $29.99 | per year |
| Wafu Pack | $0.99 | one-time |
| Bamboo Pack | $0.99 | one-time |
| Symptio Pro Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is ムーンフラグ free?

ムーンフラグ is free to download, with no in-app purchases.

### Is Symptio free?

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

### Do ムーンフラグ or Symptio have ads?

ムーンフラグ shows ads; Symptio does not.

### Which is updated more often, ムーンフラグ or Symptio?

ムーンフラグ ships an update every 8 months, and Symptio every 6 days. Most recently, ムーンフラグ was updated on October 27, 2026 and Symptio on October 25, 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.*