# OnlyInvoice vs iShift

The clearest difference is in-app purchases: OnlyInvoice at none against iShift's 1. iShift's advantage is iOS requirement (16.0 vs 18.1). On price, ads and device support there is nothing between them.

Both are free to download. iShift sells 1 one-off in-app purchase. OnlyInvoice asks for nothing beyond the download.

## The numbers

| Metric | OnlyInvoice | iShift |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ishift-quick-shift-tracker/id6783879101/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 5 MB | 12 MB |
| Requires iOS | 18.1 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gang Chen](https://appshunter.io/developer/1793243407) | [立 陈](https://appshunter.io/developer/6783000426) |

## What reviewers say

### OnlyInvoice

[App page](https://appshunter.io/ios/app/onlyinvoice/id6742164799)

**In-app purchases:** none


### iShift

[App page](https://appshunter.io/ios/app/ishift-quick-shift-tracker/id6783879101)

Effortlessly log work hours with a single tap. This ad-free time tracker automatically calculates earnings based on your hourly rate and supports multiple rate schemes. Organize entries by project and export data for reimbursement.

**Highlights:** One-tap punch in, Auto-calculated earnings, Multiple rate schemes, Calendar overview, Template presets, Project organization, CSV data export

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iShift Pro 永久买断 | $1.99 | one-time |


## Frequently asked questions

### Is OnlyInvoice free?

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

### Is iShift free?

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

### Do OnlyInvoice or iShift have ads?

Neither OnlyInvoice nor iShift shows ads.

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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.*