# Geme.io vs Sekai

The clearest difference is review sentiment: Sekai at 100% against Geme.io's 0%. Geme.io's advantage is in-app purchases (none vs 3) and device support (3 vs 1). On price, update cadence and ads there is nothing between them.

Both are free to download. Sekai sells 3 one-off in-app purchases. Geme.io asks for nothing beyond the download.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Geme.io | Sekai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sekai/id6479925200/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 72 MB | 99 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [ADVENTURE OF LIFETIME OUe](https://appshunter.io/developer/1227856489) | [Sekai, Incorporated](https://appshunter.io/developer/1737516463) |

## What reviewers say

### Geme.io

[App page](https://appshunter.io/ios/app/gemeio-live-air-quality/id1227856490)

This app visualizes real-time, street-level air pollution data on a shared map. Users can receive alerts for specific locations and view predicted pollution levels up to 48 hours in advance. It aims to empower individuals to combat climate change by monitoring local air quality.

**Highlights:** Real-time air pollution data, Street-level pollution mapping, Customizable location alerts, 48-hour pollution forecasts, Wearable sensor data integration, Shared virtual map

**Features:** macOS Compatibility

**In-app purchases:** none


### Sekai

[App page](https://appshunter.io/ios/app/sekai/id6479925200)

Capture photos or thoughts and transform them into unique four-panel anime-style stories using creative prompts. This app offers a reflective ritual to help you notice and preserve life's fleeting moments, fostering deeper connections through shared narratives.

**Highlights:** Photo and thought capture, Creative story prompts, Four-panel anime-style stories, Reflection ritual, Story sharing, Curiosity sparks

**Features:** macOS Compatibility, iMessage stickers

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 500 Kai | $4.99 | one-time |
| 1100 Kai | $9.99 | one-time |
| 3600 Kai | $29.99 | one-time |


## Frequently asked questions

### Is Geme.io free?

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

### Is Sekai free?

Sekai is free to download, with in-app purchases available.

### Do Geme.io or Sekai have ads?

Neither Geme.io nor Sekai shows ads.

### Which is updated more often, Geme.io or Sekai?

Geme.io ships an update fortnightly, and Sekai fortnightly. Most recently, Geme.io was updated on November 2, 2026 and Sekai on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*