# Developmental Screening vs Assertr

The clearest difference is in-app purchases: Developmental Screening at none against Assertr's 4. Developmental Screening also leads on iOS requirement (8.0 vs 15.0). Assertr's advantage is update cadence (every 8 days vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Assertr sells 4 in-app purchases, starting at $1.99 per 7 days. Developmental Screening asks for nothing beyond the download.

Developmental Screening ships an update every 6 weeks, Assertr every 8 days. The most recent releases landed on September 30, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Developmental Screening | Assertr |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 8 days** |
| Size | 61 MB | 61 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Edusar Resources Sdn. Bhd.](https://appshunter.io/developer/1538370927) | [JAROSLAW MAREK MACIOSZEK](https://appshunter.io/developer/1852225648) |

## What reviewers say

### Developmental Screening

[App page](https://appshunter.io/ios/app/developmental-screening/id1574460717)

**Features:** macOS Compatibility

**In-app purchases:** none


### Assertr

[App page](https://appshunter.io/ios/app/assertr-ai-voice-practice/id6757537681)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premoum weekly. | $1.99 | per 7 days |
| Sparring Pro - Weekly | $3.99 | per 7 days |
| Premium Annual | $49.99 | per year |
| Sparring Pro - Yearly | $99.99 | per year |


## Frequently asked questions

### Is Developmental Screening free?

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

### Is Assertr free?

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

### Do Developmental Screening or Assertr have ads?

Neither Developmental Screening nor Assertr shows ads.

### Which is updated more often, Developmental Screening or Assertr?

Developmental Screening ships an update every 6 weeks, and Assertr every 8 days. Most recently, Developmental Screening was updated on September 30, 2026 and Assertr on September 28, 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.*