# Total time calculator vs Invoice Maker

The clearest difference is in-app purchases: Total time calculator at none against Invoice Maker's 2. Total time calculator also leads on iOS requirement (10.0 vs 16.6). Invoice Maker's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Invoice Maker sells 2 in-app purchases, starting at $6.99 per 7 days. Total time calculator asks for nothing beyond the download.

## The numbers

| Metric | Total time calculator | Invoice Maker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 18 months | — |
| Size | 4 MB | 9 MB |
| Requires iOS | **10.0** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SHIGETO TAKAGI](https://appshunter.io/developer/519611619) | [Nuno Lopes](https://appshunter.io/developer/1802013711) |

## What reviewers say

### Total time calculator

[App page](https://appshunter.io/ios/app/total-time-calculator/id604687315)

**In-app purchases:** none


### Invoice Maker

[App page](https://appshunter.io/ios/app/invoice-maker-simple/id6748588643)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $6.99 | per 7 days |
| Yearly Plan | $39.99 | per year |


## Frequently asked questions

### Is Total time calculator free?

Total time calculator is free to download, with no in-app purchases.

### Is Invoice Maker free?

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

### Do Total time calculator or Invoice Maker have ads?

Total time calculator shows ads; Invoice Maker does not.

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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.*