# Sparktan vs FieldSize

The clearest difference is in-app purchases: Sparktan at none against FieldSize's 1. Sparktan also leads on update cadence (fortnightly vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. FieldSize sells 1 in-app purchase, starting at $24.99 per year. Sparktan asks for nothing beyond the download.

Sparktan ships an update fortnightly, FieldSize every 3 months. The most recent releases landed on September 26, 2026 and August 9, 2026 respectively.

## The numbers

| Metric | Sparktan | FieldSize |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (26 ratings)](https://appshunter.io/ios/app/sparktan/id1495766933/reviews)** | — |
| Number of ratings | **26** | — |
| Positive reviews | 30.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Free | — |
| Size | 68 MB | 15 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Spark Membership LLC](https://appshunter.io/developer/1448107941) | [Chris Weed](https://appshunter.io/developer/1795373394) |

## What reviewers say

### Sparktan

[App page](https://appshunter.io/ios/app/sparktan/id1495766933)

Manage martial arts school operations efficiently with this mobile tool. Track attendance, schedule appointments, manage contacts, process payments, and communicate with members. Features role-based access and detailed reporting for owners and staff.

**Highlights:** Dashboard with attendance and insights, Schedule and event management, Contact management with filtering, Membership and payment processing, Detailed reporting (attendance, invoices), In-app chat and SMS functionality, Role-based access control

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

**In-app purchases:** none


### FieldSize

[App page](https://appshunter.io/ios/app/fieldsize/id6743102897)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly | $24.99 | per year |


## Frequently asked questions

### Is Sparktan free?

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

### Is FieldSize free?

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

### Do Sparktan or FieldSize have ads?

Neither Sparktan nor FieldSize shows ads.

### Which is updated more often, Sparktan or FieldSize?

Sparktan ships an update fortnightly, and FieldSize every 3 months. Most recently, Sparktan was updated on September 26, 2026 and FieldSize on August 9, 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.*