# SimpleSigma vs GroupCollect

The clearest difference is review sentiment: GroupCollect at 88% against SimpleSigma's 67%. GroupCollect also leads on update cadence (fortnightly vs every 6 weeks) and iOS requirement (13.0 vs 26.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. SimpleSigma sells 2 in-app purchases, starting at $2.99 per month and GroupCollect sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

SimpleSigma ships an update every 6 weeks, GroupCollect fortnightly. The most recent releases landed on October 7, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | SimpleSigma | GroupCollect |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | **87.5% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 7 MB | 99 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MUTSUAKI KIKUCHI](https://appshunter.io/developer/1874283283) | [YUMA IKEO](https://appshunter.io/developer/1717423940) |

## What reviewers say

### SimpleSigma

[App page](https://appshunter.io/ios/app/simplesigma/id1522264347)

This app offers a versatile calculator with three distinct table types for various needs, from simple sums to complex quantity-based calculations. It features intuitive input, auto-saving, and CSV export. An optional Pro version removes ads, unlocks unlimited tables, and adds advanced statistics and OCR receipt scanning.

**Highlights:** Three distinct table types (Simple, Duplex, Shopping), Auto-totaling and quick sum calculations, Swipe keyboard for cell navigation, CSV data export, Auto-save functionality, Optional Pro version with advanced features

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SimpleSigma Pro (Monthly) | $2.99 | per month |
| SimpleSigma Pro (Yearly) | $29.99 | per year |


### GroupCollect

[App page](https://appshunter.io/ios/app/groupcollect/id6738720079)

Simplify group payment collection by tracking who owes what and sending reminders. Ideal for managing shared expenses for events, trips, or club dues.

**Highlights:** Manage member lists, Track individual payment amounts, Send automated reminders, View payment status at a glance, Organize group expenses

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| コーヒーチップ(S) | $0.99 | one-time |
| 広告削除 | $2.99 | one-time |
| コーヒーチップ(M) | $2.99 | one-time |
| コーヒーチップ(L) | $6.99 | one-time |


## Frequently asked questions

### Is SimpleSigma free?

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

### Is GroupCollect free?

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

### Do SimpleSigma or GroupCollect have ads?

Both SimpleSigma and GroupCollect show ads.

### Which is updated more often, SimpleSigma or GroupCollect?

SimpleSigma ships an update every 6 weeks, and GroupCollect fortnightly. Most recently, SimpleSigma was updated on October 7, 2026 and GroupCollect on October 5, 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.*