# Invoice Forms vs Ni

The clearest difference is in-app purchases: Ni at none against Invoice Forms's 4. Ni also leads on update cadence (weekly vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Invoice Forms sells 4 in-app purchases, starting at $3.99 per 7 days. Ni asks for nothing beyond the download.

Invoice Forms ships an update monthly, Ni weekly. The most recent releases landed on October 9, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Invoice Forms | Ni |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (43 ratings)](https://appshunter.io/ios/app/invoice-forms-receipt-maker/id1615625687/reviews)** | — |
| Number of ratings | **43** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Freemium | — |
| Size | 19 MB | 18 MB |
| Requires iOS | 15 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | +4 | 17+ |
| Developer | [Saturday Technologies, Inc](https://appshunter.io/developer/1242436346) | [Nimble Vision Private Limited](https://appshunter.io/developer/1417012602) |

## What reviewers say

### Invoice Forms

[App page](https://appshunter.io/ios/app/invoice-forms-receipt-maker/id1615625687)

Create and send professional invoices and estimates quickly. Perfect for contractors, freelancers, and small business owners on the go. Manage clients, items, and payment statuses with ease.

**Highlights:** Professional invoice creation, Client and item database, Discount and tax specification, Invoice status tracking, Logo and notes addition, Multiple currency support

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Invoice Maker Weekly | $3.99 | per 7 days |
| Invoice Maker Monthly | $6.99 | per month |
| Invoice Maker Annual | $24.99 | per year |
| Invoice Maker Annual | $49.99 | per year |


### Ni

[App page](https://appshunter.io/ios/app/ni-flow-meter/id6503729984)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Invoice Forms free?

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

### Is Ni free?

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

### Do Invoice Forms or Ni have ads?

Neither Invoice Forms nor Ni shows ads.

### Which is updated more often, Invoice Forms or Ni?

Invoice Forms ships an update monthly, and Ni weekly. Most recently, Invoice Forms was updated on October 9, 2026 and Ni on September 20, 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.*