# To vs Intervener

The clearest difference is in-app purchases: To at none against Intervener's 3. To also leads on iOS requirement (13.0 vs 17.6). Intervener's advantage is update cadence (every 6 weeks vs every 117 months). On price, ads and device support there is nothing between them.

Both are free to download. Intervener sells 3 in-app purchases, starting at $4.99 per 7 days. To asks for nothing beyond the download.

To ships an update every 117 months, Intervener every 6 weeks. The most recent releases landed on November 6, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | To | Intervener |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 117 months | **Every 6 weeks** |
| Size | 5 MB | 33 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aishvarya Sadasivam](https://appshunter.io/developer/1062048241) | [Anmol Rattan](https://appshunter.io/developer/1561754762) |

## What reviewers say

### To

[App page](https://appshunter.io/ios/app/to-do-list-track-progress/id1077304657)

**Features:** macOS Compatibility

**In-app purchases:** none


### Intervener

[App page](https://appshunter.io/ios/app/intervener/id6748287203)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Intervenr Premium Weekly | $4.99 | per 7 days |
| Intervenr Yearly Subscription | $39.99 | per year |
| Intervenr Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is To free?

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

### Is Intervener free?

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

### Do To or Intervener have ads?

Neither To nor Intervener shows ads.

### Which is updated more often, To or Intervener?

To ships an update every 117 months, and Intervener every 6 weeks. Most recently, To was updated on November 6, 2026 and Intervener on November 8, 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.*