# Booper vs Calsy

The clearest difference is in-app purchases: Booper at none against Calsy's 4. Booper also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Calsy sells 4 in-app purchases, starting at $4.99 per 7 days. Booper asks for nothing beyond the download.

Booper ships an update every 4 days, Calsy every 8 days. The most recent releases landed on October 28, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Booper | Calsy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (67 ratings)](https://appshunter.io/ios/app/calsy-21-reset/id6757801497/reviews)** |
| Number of ratings | — | **67** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Every 8 days |
| Monetization | — | Freemium |
| Size | 6 MB | 45 MB |
| Requires iOS | 18.0 | **17.6** |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [Sundeep Gupta](https://appshunter.io/developer/708807411) | [MITOLOGIC sp. z o.o.](https://appshunter.io/developer/1831337856) |

## What reviewers say

### Booper

[App page](https://appshunter.io/ios/app/booper-random-reminders/id6755414730)

**Features:** macOS Compatibility

**In-app purchases:** none


### Calsy

[App page](https://appshunter.io/ios/app/calsy-21-reset/id6757801497)

Effortlessly track your nutrition with AI-powered food recognition. Simply snap a photo of your meal to instantly log calories, macros, and health scores. Set personalized targets and visualize your progress to achieve your health goals.

**Highlights:** AI food recognition from photos, Barcode scanner with health scores, Personalized calorie and macro targets, Progress visualization with charts, Quick add and history for favorite meals, Automatic data backup and sync

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $4.99 | per 7 days |
| Premium Monthly | $9.99 | per month |
| Premium Annual Promo | $24.99 | per year |
| Premium Annual | $39.99 | per year |


## Frequently asked questions

### Is Booper free?

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

### Is Calsy free?

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

### Do Booper or Calsy have ads?

Calsy shows ads; Booper does not.

### Which is updated more often, Booper or Calsy?

Booper ships an update every 4 days, and Calsy every 8 days. Most recently, Booper was updated on October 28, 2026 and Calsy on November 5, 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.*