# estimateX vs Todos

The clearest difference is in-app purchases: Todos at none against estimateX's 2. estimateX's advantage is update cadence (every 3 weeks vs every 4 months) and iOS requirement (13.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. estimateX sells 2 in-app purchases, starting at $17.99 per month. Todos asks for nothing beyond the download.

estimateX ships an update every 3 weeks, Todos every 4 months. The most recent releases landed on September 19, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | estimateX | Todos |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Size | 116 MB | 30 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TAKOMAT GmbH](https://appshunter.io/developer/331299574) | [OENG Mengthong](https://appshunter.io/developer/1581219910) |

## What reviewers say

### estimateX

[App page](https://appshunter.io/ios/app/estimatex/id1479690183)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| estimateX (1-Month) | $17.99 | per month |
| estimateX (1-Year) | $204.99 | per year |


### Todos

[App page](https://appshunter.io/ios/app/todos-list/id1581219908)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is estimateX free?

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

### Is Todos free?

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

### Do estimateX or Todos have ads?

Neither estimateX nor Todos shows ads.

### Which is updated more often, estimateX or Todos?

estimateX ships an update every 3 weeks, and Todos every 4 months. Most recently, estimateX was updated on September 19, 2026 and Todos on May 16, 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.*