# estimateX vs NotaTime

The clearest difference is update cadence: NotaTime at every 10 days against estimateX's every 3 weeks. estimateX's advantage is iOS requirement (13.0 vs 16). On price, ads, in-app purchases 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 and NotaTime sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

estimateX ships an update every 3 weeks, NotaTime every 10 days. The most recent releases landed on September 19, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | estimateX | NotaTime |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Size | 116 MB | 3 MB |
| Requires iOS | **13.0** | 16 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [TAKOMAT GmbH](https://appshunter.io/developer/331299574) | [Nice Software AS](https://appshunter.io/developer/1809667950) |

## 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 |


### NotaTime

[App page](https://appshunter.io/ios/app/notatime-time-tracker/id6763805716)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NotaTime Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is estimateX free?

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

### Is NotaTime free?

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

### Do estimateX or NotaTime have ads?

Neither estimateX nor NotaTime shows ads.

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

estimateX ships an update every 3 weeks, and NotaTime every 10 days. Most recently, estimateX was updated on September 19, 2026 and NotaTime on September 7, 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.*