# Seiiin vs SocietySync

The clearest difference is update cadence: SocietySync at fortnightly against Seiiin's every 3 months. SocietySync also leads on iOS requirement (13.0 vs 15.1). 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.

Seiiin ships an update every 3 months, SocietySync fortnightly. The most recent releases landed on September 10, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Seiiin | SocietySync |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Size | 24 MB | 22 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [SEIIIN FINSERV PRIVATE LIMITED](https://appshunter.io/developer/1674510016) | [Madutech Private Lmimited](https://appshunter.io/developer/1883714309) |

## What reviewers say

### Seiiin

[App page](https://appshunter.io/ios/app/seiiin/id6445888359)

**Features:** macOS Compatibility

**In-app purchases:** none


### SocietySync

[App page](https://appshunter.io/ios/app/societysync/id6760300124)

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

**In-app purchases:** none


## Frequently asked questions

### Is Seiiin free?

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

### Is SocietySync free?

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

### Do Seiiin or SocietySync have ads?

Neither Seiiin nor SocietySync shows ads.

### Which is updated more often, Seiiin or SocietySync?

Seiiin ships an update every 3 months, and SocietySync fortnightly. Most recently, Seiiin was updated on September 10, 2026 and SocietySync on September 8, 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.*