ReactionX vs Ergo.App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ReactionX
Enhance your athletic performance with this app, designed to be used with specialized training lamps. Improve your speed and reaction times through professional sports training exercises.
- Professional sports training
- Speed improvement
- Reaction time enhancement
- Compatible with training lamps hardware
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Must used with Reaction training lamps hardware. Help you on professional sport training. Improve your speed and reaction.
Ergo.App
Visualize ergonomic postures in real-time. This app helps analyze body positioning without needing prior data or storing any information.
- Real-time posture visualization
- Ergonomic considerations
- No prior data required
- No data storage
- Health & Fitness analysis
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Use ErgoApp to visualize postures for ergonomic considerations in real-time without requiring any prior data or storing any data.
Screenshots
Verdict
The clearest difference is ratings volume: ReactionX at 3 against Ergo.App's 1. On price, rating, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for ReactionX against 5.0 for Ergo.App. Both are backed by a comparable volume of ratings — 3 and 1 respectively.
ReactionX ships an update every 6 weeks, Ergo.App every 2 months. The most recent releases landed on October 30, 2026 and October 16, 2026 respectively.
| Parameter | ReactionX | Ergo.App |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 6 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 34 MB | 24 MB |
| Age rating | 4+ | 17+ |
| Developer | 学斌 赵 | Swara Ramesh |
In-app purchases
ReactionX
No in-app purchases
Ergo.App
No in-app purchases









