# LFS One2One vs Invoice Manager|SIMPL

The clearest difference is in-app purchases: LFS One2One at none against Invoice Manager|SIMPL's 2. LFS One2One also leads on iOS requirement (13.4 vs 15.1). Invoice Manager|SIMPL's advantage is update cadence (every 3 days vs every 11 months). On price, ads and device support there is nothing between them.

Both are free to download. Invoice Manager|SIMPL sells 2 in-app purchases, starting at $1.95 per 7 days. LFS One2One asks for nothing beyond the download.

LFS One2One ships an update every 11 months, Invoice Manager|SIMPL every 3 days. The most recent releases landed on September 30, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | LFS One2One | Invoice Manager|SIMPL |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 days** |
| Size | 33 MB | 27 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TECHSIMBA PRIVATE LIMITED](https://appshunter.io/developer/1718221507) | [ELVIS HOFMARKS](https://appshunter.io/developer/1776013069) |

## What reviewers say

### LFS One2One

[App page](https://appshunter.io/ios/app/lfs-one2one/id6464316114)

**Features:** macOS Compatibility

**In-app purchases:** none


### Invoice Manager|SIMPL

[App page](https://appshunter.io/ios/app/invoice-managersimpl/id6743813894)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Auto Renewable Subscription | $1.95 | per 7 days |
| Auto Renewable Subscription | $5.95 | per month |


## Frequently asked questions

### Is LFS One2One free?

LFS One2One is free to download, with no in-app purchases.

### Is Invoice Manager|SIMPL free?

Invoice Manager|SIMPL is free to download, with in-app purchases available.

### Do LFS One2One or Invoice Manager|SIMPL have ads?

Neither LFS One2One nor Invoice Manager|SIMPL shows ads.

### Which is updated more often, LFS One2One or Invoice Manager|SIMPL?

LFS One2One ships an update every 11 months, and Invoice Manager|SIMPL every 3 days. Most recently, LFS One2One was updated on September 30, 2026 and Invoice Manager|SIMPL on September 20, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*