One vs OnGuard
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
One
Challenge your mind with a unique drawing puzzle. Connect all points with a single, unbroken line. Improve your logic and visual reasoning skills across 150 engaging levels.
- Draw with a single line
- 150 challenging levels
- Improve logic skills
- Enhance reasoning
- Visual agility training
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Draw each figure with a single line without lifting your finger from the screen. Train and improve your visual agility, logic and reasoning skills. There are 150 levels, can you solve them all?
OnGuard
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A fun memory game- users memorize a set of letters and are required to find the letters when concealed within a time limit. The game has five levels of difficulty with a 'Blitz' level where users test their 'speed memory'- the ability to memorize letters within a short time
Screenshots
Verdict
The clearest difference is in-app purchases: OnGuard at none against One's 1. One's advantage is device support. On price and iOS requirement 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. One sells 1 one-off in-app purchase. OnGuard asks for nothing beyond the download.
| Parameter | One | OnGuard |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (402 ratings) — better | — |
| Positive reviews | 88.9% of reviews | — |
| Number of ratings | 402 — better | — |
| Update frequency | Every 26 months | — |
| Ads | Yes | — |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | — |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 14 MB | 25 MB |
| Age rating | +4 | 4+ |
| Developer | Alejandro Castagnolo Martinez | Dimie Ogoina |
In-app purchases
One
- Ads removal$1.99
OnGuard
No in-app purchases









