# Invoice Maker Manager On Fly vs Second Phone Number

Invoice Maker Manager On Fly and Second Phone Number both sit at 4.8 stars, but that hides the real split: 41% of Invoice Maker Manager On Fly's written reviews are positive against 0% of Second Phone Number's. Invoice Maker Manager On Fly also leads on ads (none vs shown). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Invoice Maker Manager On Fly sells 6 in-app purchases, starting at $7.49 per 7 days and Second Phone Number sells 5 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Invoice Maker Manager On Fly holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 186 and 130 respectively. Written reviews point the same way: 41% of Invoice Maker Manager On Fly's written reviews are positive against 0% of Second Phone Number's.

Invoice Maker Manager On Fly ships an update fortnightly, Second Phone Number every 3 weeks. The most recent releases landed on October 22, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Invoice Maker Manager On Fly | Second Phone Number |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (186 ratings)](https://appshunter.io/ios/app/invoice-maker-manager-on-fly/id1568930171/reviews)** | [4.6 (130 ratings)](https://appshunter.io/ios/app/second-phone-number-numplus/id6447131986/reviews) |
| Number of ratings | **186** | 130 |
| Positive reviews | **41.2% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 50 MB | 97 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AppFabric](https://appshunter.io/developer/1708303822) | [Gowalk - Fzco](https://appshunter.io/developer/1701769855) |

## What reviewers say

### Invoice Maker Manager On Fly

[App page](https://appshunter.io/ios/app/invoice-maker-manager-on-fly/id1568930171)

Create professional invoices and estimates quickly and easily. Customize templates with your company logo and send them to clients in PDF or PNG format. Manage clients, items, taxes, and discounts all in one place.

**Highlights:** Create custom invoices and estimates, Save templates in PDF and PNG, Multiple business profiles, Customize with company logo, Manage clients and items, Support for taxes and discounts, Send invoices via email

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week | $7.49 | per 7 days |
| Premium features | $7.99 | per 7 days |
| Premium subscription | $9.99 | per 7 days |
| pinvoice | $14.99 | per month |
| Premium Subscription | $49.99 | per year |
| 1 Year | $74.99 | per year |


### Second Phone Number

[App page](https://appshunter.io/ios/app/second-phone-number-numplus/id6447131986)

Get a second phone number for calls and texts without a new SIM card. Easily separate personal and business communications with a dedicated line. Choose from local numbers in the USA, Canada, or Puerto Rico for unlimited calling and texting.

**Highlights:** Second phone number, Unlimited calls and texts, No new SIM card needed, Choose local numbers, Works over Wi-Fi/data, Separate personal/business lines

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium subscription | $7.99 | per 7 days |
| Premium subscription | $9.99 | per 7 days |
| Weekly premium | $9.99 | per 7 days |
| Premium Subscription | $49.99 | per year |
| Yearly premium | $49.99 | per year |


## Frequently asked questions

### Is Invoice Maker Manager On Fly free?

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

### Is Second Phone Number free?

Second Phone Number is free to download, with in-app purchases available.

### Which has better reviews, Invoice Maker Manager On Fly or Second Phone Number?

Invoice Maker Manager On Fly is rated higher. Invoice Maker Manager On Fly averages 4.8 out of 5 from 186 ratings, while Second Phone Number averages 4.6 from 130 ratings.

### Do Invoice Maker Manager On Fly or Second Phone Number have ads?

Second Phone Number shows ads; Invoice Maker Manager On Fly does not.

### Which is updated more often, Invoice Maker Manager On Fly or Second Phone Number?

Invoice Maker Manager On Fly ships an update fortnightly, and Second Phone Number every 3 weeks. Most recently, Invoice Maker Manager On Fly was updated on October 22, 2026 and Second Phone Number on October 21, 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.*