# e vs RT Calculator

The clearest difference is price: e at Free against RT Calculator's $3.99. e also leads on iOS requirement (13.0 vs 16.0). RT Calculator's advantage is update cadence (fortnightly vs every 2 months). On ads, in-app purchases and device support there is nothing between them.

e is free to download; RT Calculator costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

e ships an update every 2 months, RT Calculator fortnightly. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | e | RT Calculator |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/e-uur/id1193545883/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 28 MB | 3 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bullhorn](https://appshunter.io/developer/1047311032) | [雪 蔺](https://appshunter.io/developer/1853712836) |

## What reviewers say

### e

[App page](https://appshunter.io/ios/app/e-uur/id1193545883)

Manage work hours, documents, and contracts digitally. This app allows employees to track time with GPS, submit expenses with receipts, and sign agreements. Employers can approve timesheets and communicate updates.

**Highlights:** Digital timesheet submission with GPS tracking, Expense and reservation reporting with attachments, Digital contract signing, View payslips and other documents, Approve timesheets, Communicate with flex workers and clients

**In-app purchases:** none


### RT Calculator

[App page](https://appshunter.io/ios/app/rt-calculator-gamma-ndt/id6776261575)

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

**In-app purchases:** none


## Frequently asked questions

### Is e free?

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

### Is RT Calculator free?

RT Calculator costs $3.99, with no in-app purchases.

### Do e or RT Calculator have ads?

Neither e nor RT Calculator shows ads.

### Which is updated more often, e or RT Calculator?

e ships an update every 2 months, and RT Calculator fortnightly. Most recently, e was updated on October 24, 2026 and RT Calculator on October 28, 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.*