# Zukilog vs Circle + Bloom

The clearest difference is update cadence: Zukilog at weekly against Circle + Bloom's every 4 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Zukilog sells 1 one-off in-app purchase and Circle + Bloom sells 2 in-app purchases, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.

Zukilog ships an update weekly, Circle + Bloom every 4 weeks. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Zukilog | Circle + Bloom |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/circle-plus-bloom/id6805628930/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 4 weeks |
| Monetization | — | Freemium |
| Size | 6 MB | 7 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Hiroki Hayashi](https://appshunter.io/developer/6789364821) | [Circle & Bloom, LLC](https://appshunter.io/developer/6805628932) |

## What reviewers say

### Zukilog

[App page](https://appshunter.io/ios/app/zukilog-migraine-diary/id6790612652)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ズキログ Pro（買い切り） | $7.99 | one-time |


### Circle + Bloom

[App page](https://appshunter.io/ios/app/circle-plus-bloom/id6805628930)

This app offers guided audio meditations and mindfulness programs designed to support individuals through their fertility journey, including trying to conceive, IVF, PCOS, and postpartum. It features a cycle calendar, personalized daily sessions, and offline listening capabilities.

**Highlights:** Guided mind-body audio programs, Fertility journey support, Cycle-aligned daily sessions, Offline listening, Screen lock audio playback, Progress tracking across devices

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All-Access Monthly | $14.99 | per month |
| All-Access Yearly | $99.99 | per year |


## Frequently asked questions

### Is Zukilog free?

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

### Is Circle + Bloom free?

Circle + Bloom is free to download, with in-app purchases available.

### Do Zukilog or Circle + Bloom have ads?

Neither Zukilog nor Circle + Bloom shows ads.

### Which is updated more often, Zukilog or Circle + Bloom?

Zukilog ships an update weekly, and Circle + Bloom every 4 weeks. Most recently, Zukilog was updated on November 5, 2026 and Circle + Bloom on November 6, 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.*