# Schedule Progress vs Defndr

The clearest difference is price: Defndr at Free against Schedule Progress's $4.99. Defndr also leads on update cadence (every 3 weeks vs every 4 months). Schedule Progress's advantage is in-app purchases (none vs 2). On ads, device support and iOS requirement there is nothing between them.

Defndr is free to download; Schedule Progress costs $4.99 up front. Defndr sells 2 in-app purchases, starting at $14.99 per year. Schedule Progress asks for nothing beyond the download.

Schedule Progress ships an update every 4 months, Defndr every 3 weeks. The most recent releases landed on October 7, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Schedule Progress | Defndr |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/defndr-sms-spam-blocker/id6744261309/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | — | Freemium |
| Size | 3 MB | 26 MB |
| Requires iOS | **17** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [德权 晋](https://appshunter.io/developer/1804927036) | [DRO1D LABS LIMITED](https://appshunter.io/developer/1803083780) |

## What reviewers say

### Schedule Progress

[App page](https://appshunter.io/ios/app/schedule-progress/id6743856860)

**Features:** Vision Pro support

**In-app purchases:** none


### Defndr

[App page](https://appshunter.io/ios/app/defndr-sms-spam-blocker/id6744261309)

This app acts as an SMS firewall, using on-device AI to detect and block spam, phishing, and scams. It prioritizes user privacy by processing all data locally on your device, ensuring your messages never leave your iPhone. Offers both free and premium features for enhanced protection.

**Highlights:** On-device AI spam detection, Phishing and scam blocking, Zero-trust privacy, Custom keyword blocking, Link protection, Unlimited custom block lists (Pro), Allow lists for trusted contacts (Pro)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Defndr Premium Yearly | $14.99 | per year |
| Defndr Lifetime Premium Access | $34.99 | one-time |


## Frequently asked questions

### Is Schedule Progress free?

Schedule Progress costs $4.99, with no in-app purchases.

### Is Defndr free?

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

### Do Schedule Progress or Defndr have ads?

Neither Schedule Progress nor Defndr shows ads.

### Which is updated more often, Schedule Progress or Defndr?

Schedule Progress ships an update every 4 months, and Defndr every 3 weeks. Most recently, Schedule Progress was updated on October 7, 2026 and Defndr on October 21, 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.*