# Peakly vs Kaizen

The clearest difference is ads: Kaizen at none against Peakly's shown. Kaizen also leads on update cadence (every 2 days vs every 5 days) and device support (3 vs 1). Peakly's advantage is iOS requirement (18.6 vs 26.1). On price and in-app purchases there is nothing between them.

Both are free to download. Peakly sells 3 in-app purchases, starting at $9.99 per month and Kaizen sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Peakly ships an update every 5 days, Kaizen every 2 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Peakly | Kaizen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/peakly-calorie-tracker/id6760044483/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 134 MB | 13 MB |
| Requires iOS | **18.6** | 26.1 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [Kylian GOMEZ](https://appshunter.io/developer/1882470952) | [Noe DUBOSQ](https://appshunter.io/developer/6818790941) |

## What reviewers say

### Peakly

[App page](https://appshunter.io/ios/app/peakly-calorie-tracker/id6760044483)

Easily track your daily calorie and macronutrient intake with AI-powered meal scanning and barcode recognition. Monitor workouts, weight, and custom habits to achieve your health goals. Connect with your coach and progress with a supportive community.

**Highlights:** AI meal photo analysis, Barcode scanner, Daily calorie and macro tracking, Workout and weight tracking, Custom habits and goals, Progress groups, Coach connection

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Peakly Premium | $9.99 | per month |
| Peakly Premium | $24.99 | per year |
| Peakly Premium | $39.99 | per year |


### Kaizen

[App page](https://appshunter.io/ios/app/kaizen-progressive-overload/id6818790939)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kaizen pro lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Peakly free?

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

### Is Kaizen free?

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

### Do Peakly or Kaizen have ads?

Peakly shows ads; Kaizen does not.

### Which is updated more often, Peakly or Kaizen?

Peakly ships an update every 5 days, and Kaizen every 2 days. Most recently, Peakly was updated on October 31, 2026 and Kaizen 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.*