# Kalogram vs Bonzo

The clearest difference is update cadence: Bonzo at every 4 days against Kalogram's every 9 days. Kalogram's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Kalogram sells 3 in-app purchases, starting at $3.99 per month and Bonzo sells 1 in-app purchase, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Kalogram ships an update every 9 days, Bonzo every 4 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Kalogram | Bonzo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 4 days** |
| Size | 58 MB | 18 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Havvo Express](https://appshunter.io/developer/1794563344) | [Vardan Vardanian](https://appshunter.io/developer/1894708071) |

## What reviewers say

### Kalogram

[App page](https://appshunter.io/ios/app/kalogram-calorie-tracker/id6760027472)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kalogram Premium Monthly | $3.99 | per month |
| Kalogram Premium 3 Months | $9.99 | per 3 months |
| Kalogram Premium — Annual | $19.99 | per year |


### Bonzo

[App page](https://appshunter.io/ios/app/bonzo/id6762569753)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $5.99 | per month |


## Frequently asked questions

### Is Kalogram free?

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

### Is Bonzo free?

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

### Do Kalogram or Bonzo have ads?

Neither Kalogram nor Bonzo shows ads.

### Which is updated more often, Kalogram or Bonzo?

Kalogram ships an update every 9 days, and Bonzo every 4 days. Most recently, Kalogram was updated on October 24, 2026 and Bonzo 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.*