# SoloRota App vs Predo

The clearest difference is update cadence: SoloRota App at every 5 days against Predo's every 2 months. SoloRota App also leads on iOS requirement (15.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. SoloRota App sells 11 one-off in-app purchases and Predo sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

SoloRota App ships an update every 5 days, Predo every 2 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | SoloRota App | Predo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 months |
| Size | 105 MB | 18 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SOLOROTA YAPAYZEKA DESTEKLI DIJITAL PLATFORMLAR EGITIM VE YAZILIM LIMITED SIRKETI](https://appshunter.io/developer/1809519572) | [Cappsule Teknoloji](https://appshunter.io/developer/1676687521) |

## What reviewers say

### SoloRota App

[App page](https://appshunter.io/ios/app/solorota-app/id6744843339)

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LGS (8.sınıf) · VIP (Elmas) · 1 yıl | $399.99 | one-time |
| LGS (8. sınıf) · Elmas'a geçiş | $699.99 | one-time |
| 3. sınıf · Elmas'a geçiş | $899.99 | one-time |
| 4. sınıf · Elmas'a geçiş | $899.99 | one-time |
| TYT · Elmas'a geçiş | $899.99 | one-time |
| 6. sınıf · Elmas'a geçiş | $899.99 | one-time |
| 7. sınıf · Elmas'a geçiş | $899.99 | one-time |
| TYT-AYT EA · Elmas'a geçiş | $899.99 | one-time |
| TYT-AYT Sözel · Elmas'a geçiş | $899.99 | one-time |
| TYT-AYT Sayısal · Elmas'a geçiş | $899.99 | one-time |
| LGS (8.sınıf) · VIP (Elmas) · 1 yıl | $999.99 | one-time |


### Predo

[App page](https://appshunter.io/ios/app/predo-speed-reading-trainer/id6755594891)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Predo Pro | $4.99 | one-time |


## Frequently asked questions

### Is SoloRota App free?

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

### Is Predo free?

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

### Do SoloRota App or Predo have ads?

Neither SoloRota App nor Predo shows ads.

### Which is updated more often, SoloRota App or Predo?

SoloRota App ships an update every 5 days, and Predo every 2 months. Most recently, SoloRota App was updated on October 24, 2026 and Predo on October 25, 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.*