# いろは vs Memory Log

いろは and Memory Log are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

いろは ships an update weekly, Memory Log every 4 days. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | いろは | Memory Log |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Size | 3 MB | 22 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tatsuya Nishino](https://appshunter.io/developer/1666625422) | [Haruo Nakayama](https://appshunter.io/developer/6777737832) |

## What reviewers say

### いろは

[App page](https://appshunter.io/ios/app/id6764635405)

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

**In-app purchases:** none


### Memory Log

[App page](https://appshunter.io/ios/app/memory-log-memory-map/id6777737830)

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

**In-app purchases:** none


## Frequently asked questions

### Is いろは free?

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

### Is Memory Log free?

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

### Do いろは or Memory Log have ads?

Neither いろは nor Memory Log shows ads.

### Which is updated more often, いろは or Memory Log?

いろは ships an update weekly, and Memory Log every 4 days. Most recently, いろは was updated on October 8, 2026 and Memory Log on October 1, 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.*