# Proll vs OneBigNext

The clearest difference is in-app purchases: OneBigNext at none against Proll's 2. OneBigNext also leads on update cadence (every 10 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Proll sells 2 in-app purchases, starting at $3.99 per 7 days. OneBigNext asks for nothing beyond the download.

Proll ships an update every 2 months, OneBigNext every 10 days. The most recent releases landed on July 23, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Proll | OneBigNext |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (8 ratings)](https://appshunter.io/ios/app/proll-sat-prep-app-blocker/id6755500929/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Free | — |
| Size | 36 MB | 46 MB |
| Requires iOS | 16.6 | 16.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [John Edward Baker Bruce](https://appshunter.io/developer/1854263826) | [OneBigNext Ltd](https://appshunter.io/developer/1861515687) |

## What reviewers say

### Proll

[App page](https://appshunter.io/ios/app/proll-sat-prep-app-blocker/id6755500929)

This app rewards users with screen time for completing real-world tasks, including physical activity and academic work. It locks distracting apps until time is earned, offering customizable goals and optional schedules for focused work sessions.

**Highlights:** Earn screen time by completing tasks, Task-based app unlocking, Upload and verify work for rewards, Physical activity tracking for screen time, Focus sessions with app locking, Customizable goals and optional schedules

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Proll Plus Weekly | $3.99 | per 7 days |
| Proll Plus Monthly | $9.99 | per month |


### OneBigNext

[App page](https://appshunter.io/ios/app/onebignext/id6756577819)

**In-app purchases:** none


## Frequently asked questions

### Is Proll free?

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

### Is OneBigNext free?

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

### Do Proll or OneBigNext have ads?

Neither Proll nor OneBigNext shows ads.

### Which is updated more often, Proll or OneBigNext?

Proll ships an update every 2 months, and OneBigNext every 10 days. Most recently, Proll was updated on July 23, 2026 and OneBigNext on September 12, 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.*