# Инносфера AR vs Mystereogram

The clearest difference is in-app purchases: Инносфера AR at none against Mystereogram's 2. Инносфера AR also leads on iOS requirement (13.0 vs 15.0). Mystereogram's advantage is update cadence (every 6 days vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Mystereogram sells 2 one-off in-app purchases. Инносфера AR asks for nothing beyond the download.

Инносфера AR ships an update every 3 months, Mystereogram every 6 days. The most recent releases landed on September 28, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Инносфера AR | Mystereogram |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/mystereogram/id1633778620/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 234 MB | 26 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MIKSAR DEVELOPMENT, OOO](https://appshunter.io/developer/1454639232) | [Vitaly Kulagin](https://appshunter.io/developer/1524623012) |

## What reviewers say

### Инносфера AR

[App page](https://appshunter.io/ios/app/ar/id1610984729)

**In-app purchases:** none


### Mystereogram

[App page](https://appshunter.io/ios/app/mystereogram/id1633778620)

Engage your eyes with a unique game that uses stereo images to provide a fun visual workout. Explore a museum filled with stereograms, earn coins, and unlock secret statuses. It's an entertaining challenge for all ages.

**Highlights:** Stereo image viewing, Eye exercise benefits, Museum exploration, In-game currency, Secret order statuses, Hint system

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 300 coins | $0.99 | one-time |
| 1000 coins | $1.99 | one-time |


## Frequently asked questions

### Is Инносфера AR free?

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

### Is Mystereogram free?

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

### Do Инносфера AR or Mystereogram have ads?

Neither Инносфера AR nor Mystereogram shows ads.

### Which is updated more often, Инносфера AR or Mystereogram?

Инносфера AR ships an update every 3 months, and Mystereogram every 6 days. Most recently, Инносфера AR was updated on September 28, 2026 and Mystereogram on October 5, 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.*