# Invoice Maker vs Bird ID

The clearest difference is monetization model: Invoice Maker at free with in-app purchases against Bird ID's subscription. Invoice Maker also leads on rating (4.8 vs 4.6). Bird ID's advantage is ads (none vs shown). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

Both are free to download. Invoice Maker sells 4 in-app purchases, starting at $8.99 per 7 days and Bird ID sells 9 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Invoice Maker holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 25 and 43 respectively.

Invoice Maker ships an update every 3 days, Bird ID every 2 days. Both last shipped on October 30, 2026.

## The numbers

| Metric | Invoice Maker | Bird ID |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (25 ratings)](https://appshunter.io/ios/app/invoice-maker-bill-generator/id6746938705/reviews)** | [4.6 (43 ratings)](https://appshunter.io/ios/app/bird-id-call-identification/id6751755571/reviews) |
| Number of ratings | 25 | **43** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 days | **Every 2 days** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 31 MB | 120 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [John Paley](https://appshunter.io/developer/1819048337) | [Myroslava Pavlyuk](https://appshunter.io/developer/1836643145) |

## What reviewers say

### Invoice Maker

[App page](https://appshunter.io/ios/app/invoice-maker-bill-generator/id6746938705)

Create professional invoices and estimates quickly with customizable templates. Manage clients and projects, track payments, and gain business insights with smart reports. Enhance your brand with custom logos and colors.

**Highlights:** Professional invoice and estimate creation, Client and project management, Customizable templates with branding, Flexible payment options, Smart revenue and expense reports, Unlimited invoices and estimates

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| accessWeeklySubscription | $8.99 | per 7 days |
| Invoice Maker: Bill Generator. | $8.99 | per 7 days |
| accessMonthlySubscription | $14.99 | per month |
| accessMonthlyTrialSubscription | $15.99 | per month |


### Bird ID

[App page](https://appshunter.io/ios/app/bird-id-call-identification/id6751755571)

Identify birds by their appearance or song with this smart utility. It provides detailed information on species, saves your discoveries, and turns any outing into a nature exploration.

**Highlights:** Instant recognition by photo, Voice recording and analysis, History of searches, Detailed bird dossiers, Species appearance description, Habitat and distribution maps

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scan the birds | $4.99 | per 7 days |
| Scan the birds | $5.99 | per 7 days |
| Scan the birds | $6.99 | per 7 days |
| Scan the birds | $9.99 | per year |
| Scan the birds | $14.99 | per year |
| Scan the birds | $19.99 | per year |
| Scan the birds | $19.99 | per year |
| Scan the birds | $29.99 | per year |
| Scan the birds | $29.99 | per year |


## Frequently asked questions

### Is Invoice Maker free?

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

### Is Bird ID free?

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

### Which has better reviews, Invoice Maker or Bird ID?

Invoice Maker is rated higher. Invoice Maker averages 4.8 out of 5 from 25 ratings, while Bird ID averages 4.6 from 43 ratings.

### Do Invoice Maker or Bird ID have ads?

Invoice Maker shows ads; Bird ID does not.

### Which is updated more often, Invoice Maker or Bird ID?

Invoice Maker ships an update every 3 days, and Bird ID every 2 days. Most recently, Invoice Maker was updated on October 30, 2026 and Bird ID on October 30, 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.*