# memoir vs Moon Phases

The clearest difference is in-app purchases: memoir at none against Moon Phases's 1. memoir also leads on ads (none vs shown) and iOS requirement (16.4 vs 18.0). Moon Phases's advantage is update cadence (every 3 weeks vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Moon Phases sells 1 one-off in-app purchase. memoir asks for nothing beyond the download.

memoir ships an update every 2 months, Moon Phases every 3 weeks. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | memoir | Moon Phases |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 89 MB | 40 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [YOUHEI IINO](https://appshunter.io/developer/1296534954) | [Pocket Grove Ltd](https://appshunter.io/developer/954373766) |

## What reviewers say

### memoir

[App page](https://appshunter.io/ios/app/memoir/id1613532672)

Visualize completed tasks to reflect on your week. This app helps you acknowledge your efforts by regularly reviewing your accomplishments. Share your progress and what you did, when, and where.

**Highlights:** Visualize completed tasks, Weekly reflection, Acknowledge accomplishments, Share progress, Track location and time of tasks

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

**In-app purchases:** none


### Moon Phases

[App page](https://appshunter.io/ios/app/moon-phases-lunar-tracker/id6760960352)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Moon Phases Pro | $2.99 | one-time |


## Frequently asked questions

### Is memoir free?

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

### Is Moon Phases free?

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

### Do memoir or Moon Phases have ads?

Moon Phases shows ads; memoir does not.

### Which is updated more often, memoir or Moon Phases?

memoir ships an update every 2 months, and Moon Phases every 3 weeks. Most recently, memoir was updated on November 3, 2026 and Moon Phases on November 7, 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.*