# Overtime Calc Lite vs Zeple Invoice Maker

The clearest difference is in-app purchases: Overtime Calc Lite at none against Zeple Invoice Maker's 3. Overtime Calc Lite also leads on iOS requirement (6.0 vs 17.0). Zeple Invoice Maker's advantage is update cadence (every 6 days vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. Zeple Invoice Maker sells 3 in-app purchases, starting at $19.99 per month. Overtime Calc Lite asks for nothing beyond the download.

Overtime Calc Lite ships an update monthly, Zeple Invoice Maker every 6 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Overtime Calc Lite | Zeple Invoice Maker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/zeple-invoice-maker/id6738929641/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 7 MB |
| Requires iOS | **6.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Andrzej Hijewski](https://appshunter.io/developer/630486935) | [Irvinesoft Inc](https://appshunter.io/developer/1654264185) |

## What reviewers say

### Overtime Calc Lite

[App page](https://appshunter.io/ios/app/overtime-calc-lite/id671910183)

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

**In-app purchases:** none


### Zeple Invoice Maker

[App page](https://appshunter.io/ios/app/zeple-invoice-maker/id6738929641)

Streamline financial management with a hybrid invoice generator and CRM. Easily create and send professional invoices, track payments, manage client relationships, and generate financial reports. Ideal for freelancers and small businesses.

**Highlights:** Create and send invoices instantly, Multiple payment method options, Track outstanding payments, Built-in CRM functionality, Detailed reports and analytics, Client information management

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $19.99 | per month |
| Team | $49.99 | per month |
| Enterprise | $99.99 | per month |


## Frequently asked questions

### Is Overtime Calc Lite free?

Overtime Calc Lite is free to download, with no in-app purchases.

### Is Zeple Invoice Maker free?

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

### Do Overtime Calc Lite or Zeple Invoice Maker have ads?

Neither Overtime Calc Lite nor Zeple Invoice Maker shows ads.

### Which is updated more often, Overtime Calc Lite or Zeple Invoice Maker?

Overtime Calc Lite ships an update monthly, and Zeple Invoice Maker every 6 days. Most recently, Overtime Calc Lite was updated on November 3, 2026 and Zeple Invoice Maker 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.*