# SubSpark vs Tagg Subs

The clearest difference is review sentiment: SubSpark at 100% against Tagg Subs's 0%. SubSpark also leads on rating (5.0 vs 3.0) and update cadence (every 4 days vs every 3 months). On price, ads, in-app purchases and monetization model 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 3.0. Both are backed by a comparable volume of ratings — 8 and 2 respectively. Written reviews point the same way: 100% of SubSpark's written reviews are positive against 0% of Tagg Subs's.

SubSpark ships an update every 4 days, Tagg Subs every 3 months. The most recent releases landed on September 9, 2026 and August 13, 2026 respectively.

## The numbers

| Metric | SubSpark | Tagg Subs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/subspark/id6575345302/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/tagg-subs/id6747983679/reviews) |
| Number of ratings | **8** | 2 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 months |
| Monetization | Free | Free |
| Size | 33 MB | 3 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [SubSpark, LLC](https://appshunter.io/developer/1759240288) | [Tagg Education, LLC](https://appshunter.io/developer/1823700694) |

## What reviewers say

### 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


### Tagg Subs

[App page](https://appshunter.io/ios/app/tagg-subs/id6747983679)

This app connects independent substitute teachers with daily teaching opportunities. Users can select their preferred grades and subjects, and set their availability to find jobs that fit their schedule. It functions as a flexible platform for educators seeking contract work.

**Highlights:** Independent contractor model, Choose grade and subjects, Set personal availability, Receive daily job opportunities, Flexible work schedule

**In-app purchases:** none


## Frequently asked questions

### Is SubSpark free?

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

### Is Tagg Subs free?

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

### Which has better reviews, SubSpark or Tagg Subs?

SubSpark is rated higher. SubSpark averages 5.0 out of 5 from 8 ratings, while Tagg Subs averages 3.0 from 2 ratings.

### Do SubSpark or Tagg Subs have ads?

Neither SubSpark nor Tagg Subs shows ads.

### Which is updated more often, SubSpark or Tagg Subs?

SubSpark ships an update every 4 days, and Tagg Subs every 3 months. Most recently, SubSpark was updated on September 9, 2026 and Tagg Subs on August 13, 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.*