# Grava vs 髪診断

The clearest difference is ads: Grava at none against 髪診断's shown. Grava also leads on update cadence (every 2 weeks vs monthly). 髪診断's advantage is iOS requirement (17.0 vs 26.5). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Grava sells 10 one-off in-app purchases and 髪診断 sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Grava ships an update every 2 weeks, 髪診断 monthly. The most recent releases landed on November 7, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Grava | 髪診断 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/grava/id6790959541/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free | — |
| Size | 29 MB | 9 MB |
| Requires iOS | 26.5 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [EDSON RUSSELL AYLLON](https://appshunter.io/developer/6790628812) | [Appricot Co.,Ltd.](https://appshunter.io/developer/1716553156) |

## What reviewers say

### Grava

[App page](https://appshunter.io/ios/app/grava/id6790959541)

Effortlessly track your food intake by simply taking a photo. This app uses AI to estimate calories and macros, offering honest ranges rather than precise, potentially inaccurate numbers. Set personalized daily targets based on your goals and easily view your progress over time.

**Highlights:** Log food with photos, AI calorie and macro estimation, Honest calorie range estimates, Personalized daily targets, Offline backup with Apple Intelligence, Syncs across Apple devices

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hedgehog | $1.99 | one-time |
| Hamster | $1.99 | one-time |
| Parrot | $1.99 | one-time |
| Corgi | $1.99 | one-time |
| Duck | $1.99 | one-time |
| Owl | $1.99 | one-time |
| Fox | $1.99 | one-time |
| Lion | $1.99 | one-time |
| Wild Bundle | $7.99 | one-time |
| All 36 Companions | $24.99 | one-time |


### 髪診断

[App page](https://appshunter.io/ios/app/id6792437531)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan | $1.99 | per month |


## Frequently asked questions

### Is Grava free?

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

### Is 髪診断 free?

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

### Do Grava or 髪診断 have ads?

髪診断 shows ads; Grava does not.

### Which is updated more often, Grava or 髪診断?

Grava ships an update every 2 weeks, and 髪診断 monthly. Most recently, Grava was updated on November 7, 2026 and 髪診断 on October 25, 2026.

---

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