# Gym Tracking vs Invoice Generator

The clearest difference is in-app purchases: Gym Tracking at none against Invoice Generator's 2. Gym Tracking also leads on device support (3 vs 1) and iOS requirement (15.1 vs 18.0). Invoice Generator's advantage is update cadence (every 3 days vs every 2 months). On price and ads there is nothing between them.

Both are free to download. Invoice Generator sells 2 in-app purchases, starting at $9.99 per month. Gym Tracking asks for nothing beyond the download.

Gym Tracking ships an update every 2 months, Invoice Generator every 3 days. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Gym Tracking | Invoice Generator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/invoice-generator-swiftbill/id6760855924/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 40 MB | 98 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tomas Garay](https://appshunter.io/developer/1524516581) | [Mahmoud Shaaban](https://appshunter.io/developer/1877283717) |

## What reviewers say

### Gym Tracking

[App page](https://appshunter.io/ios/app/gym-tracking/id6445834704)

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

**In-app purchases:** none


### Invoice Generator

[App page](https://appshunter.io/ios/app/invoice-generator-swiftbill/id6760855924)

This AI-powered business app helps service providers create professional invoices, manage clients, and sign contracts. It offers automated recurring retainers, payment processing, and an AI coach for business insights. Streamline your operations without spreadsheets or complex accounting software.

**Highlights:** AI-powered invoice generation, Client management and CRM, Contract creation and e-signing, Automated recurring retainers, Integrated payment processing, AI business coaching, Expense tracking via receipt OCR

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Invoice & Receipt Maker Pro | $9.99 | per month |
| Estimate Contract Creator Pro | $59.99 | per year |


## Frequently asked questions

### Is Gym Tracking free?

Gym Tracking is free to download, with no in-app purchases.

### Is Invoice Generator free?

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

### Do Gym Tracking or Invoice Generator have ads?

Neither Gym Tracking nor Invoice Generator shows ads.

### Which is updated more often, Gym Tracking or Invoice Generator?

Gym Tracking ships an update every 2 months, and Invoice Generator every 3 days. Most recently, Gym Tracking was updated on October 14, 2026 and Invoice Generator on October 8, 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.*