# Synth Sum - Neon Dash — Jump Spikes. Hit the Sum.

> Jump Spikes. Hit the Sum. (iPhone/iPad app by Matthew Leonard.)

- Source: https://appshunter.io/ios/app/synth-sum-neon-dash/id6793998487 (this page in markdown: same URL + `.md`)
- Developer: [Matthew Leonard](https://appshunter.io/developer/522479113)
- Category: Games, Casual
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 61 MB
- Languages: American English, French (France), German (Germany), Japanese, Korean, Brazilian Portuguese, Chinese (Simplified, China), Mexican Spanish
- Released: 2026-08-04
- Data updated: 2026-09-03
- User reviews in markdown: https://appshunter.io/ios/app/synth-sum-neon-dash/id6793998487/reviews.md

## What is Synth Sum?

Jump the spikes. Hit the exact sum.

Neon rhythm dash. Grab the numbers that fit. Make the exact sum - or start over.

• Tap to jump through spikes, pads, and rings
• Hit the exact sum to clear the door
• 16 levels across five worlds
• Practice with checkpoints
• Endless and Daily after you beat Genius
• Earn stars for skins - looks only
• Game Center leaderboards and achievements

No ads. No tracking. No data collected.

Jump in. Hit the sum.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Neon Kit | $1.99 | one-time |
| Unlock All Worlds | $2.99 | one-time |
| Sunset Kit | $1.99 | one-time |
| Magenta Kit | $1.99 | one-time |
| All Kits Bundle | $4.99 | one-time |



## Version history (last 2 releases)

### 1.0.1 — 2026-08-05

Levels remember where you left off. Pause and resume work reliably, and runs auto-pause when you leave the app. Smoother level select and navigation.

### 1.0.0 — 2026-08-04

No release notes.

## More apps by Matthew Leonard

- [Stellar States: Capitals Quiz](https://appshunter.io/ios/app/stellar-states-capitals-quiz/id642236145)
- [Learn To Multiply - Times Tables & Quiz](https://appshunter.io/ios/app/learn-to-multiply-times-tables-and-quiz/id651062053)
- [World Capitals: Geography Quiz](https://appshunter.io/ios/app/world-capitals-geography-quiz/id653018702)
- [StellarLingo - AI Translator](https://appshunter.io/ios/app/stellarlingo-ai-translator/id6753182740)
- [Stellar Math](https://appshunter.io/ios/app/stellar-math/id6753595457)
- [Nova - Daily Word Puzzle](https://appshunter.io/ios/app/nova-daily-word-puzzle/id6754098539)

All apps by Matthew Leonard: https://appshunter.io/developer/522479113

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-03.*