# Sub Start vs SubSpark

The clearest difference is rating: SubSpark at 5.0 against Sub Start's 4.2. SubSpark also leads on update cadence (every 4 days vs every 2 months). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SubSpark holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 5 and 8 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Sub Start ships an update every 2 months, SubSpark every 4 days. The most recent releases landed on September 13, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Sub Start | SubSpark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (5 ratings)](https://appshunter.io/ios/app/sub-start/id1571113022/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/subspark/id6575345302/reviews)** |
| Number of ratings | 5 | **8** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Free | Free |
| Size | 86 MB | 33 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [SubStart](https://appshunter.io/developer/1571113024) | [SubSpark, LLC](https://appshunter.io/developer/1759240288) |

## What reviewers say

### Sub Start

[App page](https://appshunter.io/ios/app/sub-start/id1571113022)

This app streamlines substitute teacher booking and management for childcare programs. It offers features like check-in/out, messaging, document management, and worksite insights. Available in multiple languages, it aims to simplify administrative tasks for educational facilities.

**Highlights:** Substitute teacher booking management, Check-in/out functionality, Messaging and alerts, Document management, Worksite insights, Multi-language support

**Features:** macOS Compatibility

**In-app purchases:** none


### SubSpark

[App page](https://appshunter.io/ios/app/subspark/id6575345302)

This app streamlines substitute teacher management for schools. It allows administrators and teachers to quickly find, book, and manage substitute educators, eliminating the need for traditional, time-consuming methods. The platform aims to ensure consistent coverage and reduce scheduling chaos.

**Highlights:** Fast and easy booking of substitute teachers, Build and manage preferred substitute lists, All-in-one admin dashboard (desktop), Intuitive and user-friendly interface, Reduces scheduling complexity

**In-app purchases:** none


## Frequently asked questions

### Is Sub Start free?

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

### Is SubSpark free?

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

### Which has better reviews, Sub Start or SubSpark?

SubSpark is rated higher. Sub Start averages 4.2 out of 5 from 5 ratings, while SubSpark averages 5.0 from 8 ratings.

### Do Sub Start or SubSpark have ads?

Neither Sub Start nor SubSpark shows ads.

### Which is updated more often, Sub Start or SubSpark?

Sub Start ships an update every 2 months, and SubSpark every 4 days. Most recently, Sub Start was updated on September 13, 2026 and SubSpark on September 9, 2026.

---

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