# Visolve RT for iPhone vs memoir

The clearest difference is review sentiment: Visolve RT for iPhone at 100% against memoir's 67%. Visolve RT for iPhone also leads on device support (3 vs 1) and iOS requirement (11.0 vs 16.4). memoir's advantage is update cadence (every 2 months vs every 13 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Visolve RT for iPhone ships an update every 13 months, memoir every 2 months. The most recent releases landed on October 9, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Visolve RT for iPhone | memoir |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 3 MB | 89 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ryobi Systems Co.,Ltd.](https://appshunter.io/developer/422237051) | [YOUHEI IINO](https://appshunter.io/developer/1296534954) |

## What reviewers say

### Visolve RT for iPhone

[App page](https://appshunter.io/ios/app/visolve-rt-for-iphone/id668502747)

This utility app assists individuals with color vision deficiency by applying real-time video transformations to enhance color perception. It offers various filters and simulations to help users distinguish colors, find specific hues, or understand how others perceive the world.

**Highlights:** Real-time video color transformations, Red-Green color transform, Blue-Yellow color transform, Saturation increase, Color filtering, Hatching patterns, Color blindness simulation

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Visolve RT for iPhone free?

Visolve RT for iPhone is free to download, with no in-app purchases.

### Is memoir free?

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

### Do Visolve RT for iPhone or memoir have ads?

Neither Visolve RT for iPhone nor memoir shows ads.

### Which is updated more often, Visolve RT for iPhone or memoir?

Visolve RT for iPhone ships an update every 13 months, and memoir every 2 months. Most recently, Visolve RT for iPhone was updated on October 9, 2026 and memoir on October 22, 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.*