# SubLens vs Simple Invoice

The clearest difference is iOS requirement: SubLens at 16.4 against Simple Invoice's 18.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. SubLens sells 3 in-app purchases, starting at $9.99 per month and Simple Invoice sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

SubLens ships an update every 8 days, Simple Invoice every 4 days. The most recent releases landed on October 18, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | SubLens | Simple Invoice |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 4 days** |
| Size | 56 MB | 4 MB |
| Requires iOS | **16.4** | 18.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 9+ | 4+ |
| Developer | [Batuhan Kaplan](https://appshunter.io/developer/1717456551) | [Fagner Caetano Silva](https://appshunter.io/developer/6783947893) |

## What reviewers say

### SubLens

[App page](https://appshunter.io/ios/app/sublens-card-statement-pdf/id6758268584)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $9.99 | per month |
| Annual Unlimited Plan | $34.99 | per year |
| SubLens Lifetime Unlock | $99.99 | one-time |


### Simple Invoice

[App page](https://appshunter.io/ios/app/simple-invoice-receipt-maker/id6798286777)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Simple Invoice Monthly | $1.99 | per month |
| Simple Invoice Yearly | $14.99 | per year |


## Frequently asked questions

### Is SubLens free?

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

### Is Simple Invoice free?

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

### Do SubLens or Simple Invoice have ads?

Neither SubLens nor Simple Invoice shows ads.

### Which is updated more often, SubLens or Simple Invoice?

SubLens ships an update every 8 days, and Simple Invoice every 4 days. Most recently, SubLens was updated on October 18, 2026 and Simple Invoice on October 7, 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.*