# SoloTest vs Modulo

The clearest difference is in-app purchases: Modulo at none against SoloTest's 3. Modulo also leads on iOS requirement (15.0 vs 18.2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SoloTest sells 3 in-app purchases, starting at $1.99 per 7 days. Modulo asks for nothing beyond the download.

SoloTest ships an update every 2 weeks, Modulo fortnightly. The most recent releases landed on October 6, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | SoloTest | Modulo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Size | 9 MB | 75 MB |
| Requires iOS | 18.2 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [FLATISLER BILGISAYAR YAZILIM BILISIM DANISMANLIK HIZMETLERI LIMITED SIRKETI](https://appshunter.io/developer/1790157434) | [Mehmet Gueven](https://appshunter.io/developer/1802257582) |

## What reviewers say

### SoloTest

[App page](https://appshunter.io/ios/app/solotest-marble-solitaire/id6744575006)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SoloTest Premium Weekly | $1.99 | per 7 days |
| Premium Aylık Üyelik | $3.99 | per month |
| Premium Yıllık Üyelik | $19.99 | per year |


### Modulo

[App page](https://appshunter.io/ios/app/modulo-infinite-logic-puzzle/id6757111303)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SoloTest free?

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

### Is Modulo free?

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

### Do SoloTest or Modulo have ads?

Neither SoloTest nor Modulo shows ads.

### Which is updated more often, SoloTest or Modulo?

SoloTest ships an update every 2 weeks, and Modulo fortnightly. Most recently, SoloTest was updated on October 6, 2026 and Modulo on October 3, 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.*