100cm Ruler vs LiveChatAI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
100cm Ruler
This app provides a digital ruler for measuring the length and diameter of small objects directly on your device. It features a millimeter scale and allows for easy sliding to measure.
- Digital ruler functionality
- Millimeter scale
- Diameter measurement
- Screen sliding for measurement
- Ad removal option
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Plotting scale is useful to measure the length of small articles and insects. Squared in millimeters on the lower left, thus the diameter can be measured roughly. Hold the screen and slide your iPhone to the right. https://www.youtube.com/watch?v=kxU9xi88IiY Ads can be removed on "Info page".
LiveChatAI
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Resolve 70% of customer support queries instantly. Save time for your team and customers with AI-powered answers.
Screenshots
Verdict
The clearest difference is in-app purchases: LiveChatAI at none against 100cm Ruler's 1. 100cm Ruler's advantage is update cadence (every 3 months vs every 7 months) and iOS requirement (12.0 vs 15.1). On price, ads and device support 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. 100cm Ruler sells 1 one-off in-app purchase. LiveChatAI asks for nothing beyond the download.
100cm Ruler ships an update every 3 months, LiveChatAI every 7 months. The most recent releases landed on October 14, 2026 and October 16, 2026 respectively.
| Parameter | 100cm Ruler | LiveChatAI |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) — better | — |
| Positive reviews | 45.1% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 months — better | Every 7 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 62 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | ZOOMO Inc. | Next Teknoloji A.Ş. |
In-app purchases
100cm Ruler
- Remove ADS$1.99
LiveChatAI
No in-app purchases
Questions
Is 100cm Ruler free?
Is LiveChatAI free?
Do 100cm Ruler or LiveChatAI have ads?
Which is updated more often, 100cm Ruler or LiveChatAI?
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