# Retro vs re

The clearest difference is update cadence: Retro at every 4 days against re's every 10 days. re's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Retro ships an update every 4 days, re every 10 days. The most recent releases landed on October 25, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Retro | re |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 10 days |
| Monetization | — | Free |
| Size | 5 MB | 102 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hohyeon Moon](https://appshunter.io/developer/1441066295) | [Seungrae Cho](https://appshunter.io/developer/1620778100) |

## What reviewers say

### Retro

[App page](https://appshunter.io/ios/app/retro/id1630667782)

**In-app purchases:** none


### re

[App page](https://appshunter.io/ios/app/reme-5-ai/id6504112968)

This app helps you reflect on your day in just 5 minutes with AI-powered insights and data visualization. Create personalized questions and receive reminders to consistently track your personal growth and understanding.

**Highlights:** 5-minute daily reflection, AI-driven personalized insights, Data visualization of progress, Customizable reflection questions, Daily reminder notifications

**In-app purchases:** none


## Frequently asked questions

### Is Retro free?

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

### Is re free?

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

### Do Retro or re have ads?

Neither Retro nor re shows ads.

### Which is updated more often, Retro or re?

Retro ships an update every 4 days, and re every 10 days. Most recently, Retro was updated on October 25, 2026 and re on October 15, 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.*