# Period or Not vs Grava

The clearest difference is review sentiment: Grava at 100% against Period or Not's 50%. Grava also leads on rating (5.0 vs 3.0). Period or Not's advantage is iOS requirement (16.4 vs 26.5). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Period or Not sells 1 one-off in-app purchase and Grava sells 10 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Grava holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews point the same way: 50% of Period or Not's written reviews are positive against 100% of Grava's.

Period or Not ships an update every 3 weeks, Grava every 2 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Period or Not | Grava |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (3 ratings)](https://appshunter.io/ios/app/period-or-not/id6737966705/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/grava/id6790959541/reviews)** |
| Number of ratings | **3** | 2 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 44 MB | 26 MB |
| Requires iOS | **16.4** | 26.5 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 9+ | 12+ |
| Developer | [Antonija Pek](https://appshunter.io/developer/1099467112) | [EDSON RUSSELL AYLLON](https://appshunter.io/developer/6790628812) |

## What reviewers say

### Period or Not

[App page](https://appshunter.io/ios/app/period-or-not/id6737966705)

This app tracks your menstrual cycle and provides smart predictions for your period and bleeding duration. It prioritizes user privacy by storing all data locally on your device, with no cloud sync or tracking. You can export your data at any time.

**Highlights:** Local data storage, Smart cycle predictions, Bleeding duration predictions, Data export and backup, Optional calendar sync

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Super Turbo | $3.99 | one-time |


### 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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Grava Plus Monthly | $4.99 | per month |
| Grava Plus Yearly | $39.99 | per year |
| Bread | $1.99 | one-time |
| Fish | $1.99 | one-time |
| Dolphin | $1.99 | one-time |
| Banana | $1.99 | one-time |
| Shark | $1.99 | one-time |
| Mushroom | $1.99 | one-time |
| Sushi | $1.99 | one-time |
| Platypus | $1.99 | one-time |


## Frequently asked questions

### Is Period or Not free?

Period or Not is free to download, with in-app purchases available.

### Is Grava free?

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

### Which has better reviews, Period or Not or Grava?

Grava is rated higher. Period or Not averages 3.0 out of 5 from 3 ratings, while Grava averages 5.0 from 2 ratings.

### Do Period or Not or Grava have ads?

Neither Period or Not nor Grava shows ads.

### Which is updated more often, Period or Not or Grava?

Period or Not ships an update every 3 weeks, and Grava every 2 weeks. Most recently, Period or Not was updated on October 30, 2026 and Grava on October 31, 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.*