# Costan vs iRemember

The clearest difference is review sentiment: Costan at 100% against iRemember's 0%. Costan also leads on ads (none vs shown) and update cadence (every 6 weeks vs every 4 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Costan ships an update every 6 weeks, iRemember every 4 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Costan | iRemember |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | **Free** | Ad-supported |
| Size | 7 MB | 19 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shinichi Aokawa](https://appshunter.io/developer/502862033) | [Grigory Konovalov](https://appshunter.io/developer/1131979109) |

## What reviewers say

### Costan

[App page](https://appshunter.io/ios/app/costan/id843202309)

Learn everyday greetings in 14 languages to connect with people worldwide. This app promotes a peaceful, borderless world through simple, friendly communication.

**Highlights:** Learn greetings in 14 languages, Promotes cross-cultural communication, Focuses on everyday phrases, Aims for a peaceful world, Simple and friendly interface

**Features:** Vision Pro support

**In-app purchases:** none


### iRemember

[App page](https://appshunter.io/ios/app/iremember-light/id1148933056)

Never forget a friend's birthday again. This app helps you track ages and sends timely reminders. A limited free version is available, with a full version offering more features.

**Highlights:** Track friend's ages, Birthday reminders, Import contacts, Limited free version, Full version available

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Costan free?

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

### Is iRemember free?

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

### Do Costan or iRemember have ads?

iRemember shows ads; Costan does not.

### Which is updated more often, Costan or iRemember?

Costan ships an update every 6 weeks, and iRemember every 4 months. Most recently, Costan was updated on November 1, 2026 and iRemember on November 2, 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.*