Comparison

Architects Ruler vs 量尺 Ruler

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

For designers too

About

Architects Ruler

Features

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Architects Ruler is made by architects for architects. And designers. Simple and convenient, a quick tool to get grip on all dimensions on any scale.

About

量尺 Ruler

Features

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Turn your phone screen into a real ruler — open it and start measuring. • No calibration: your device model is matched automatically • Four units side by side: cm, mm, inch, and cun • Input positioning: type a length and the ruler jumps to it • Draw to measure: draw any line and read its length instantly • Mini games: match-the-length and guess-the-length, solo or with friends • Two themes: hand-drawn and geek Fully offline. No ads. No data collected.

Screenshots

Architects Ruler3 screens

量尺 Ruler4 screens

Verdict

The call

The clearest difference is in-app purchases: 量尺 Ruler at none against Architects Ruler's 1. 量尺 Ruler also leads on update cadence (every 6 days vs every 3 months) and iOS requirement (16.0 vs 26.0). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Architects Ruler sells 1 one-off in-app purchase. 量尺 Ruler asks for nothing beyond the download.

UpkeepUpdate frequency

Architects Ruler ships an update every 3 months, 量尺 Ruler every 6 days. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

Scorecard3 real differences · 3 level

Architects Ruler versus 量尺 Ruler: the parameters behind the verdict, then further details
Parameter	Architects Ruler	量尺 Ruler
Price	Free	Free
Update frequency	Every 3 months	Every 6 days — better
Ads	No	No
In-app purchases	Yes	No — better
Devices	iPhone	iPhone, iPad — better
Requires iOS	26.0	16.0 — better
Further details — not scored
Size	4 MB	5 MB
Age rating	4+	4+
Developer	Gijs Raggers	禹焓颜

In-app purchases

1 purchases

Architects Ruler

One-time1

Lifetime scales menu$0.99

None

量尺 Ruler

No in-app purchases

Questions

Is Architects Ruler free?

Architects Ruler is free to download, with in-app purchases available.

Is 量尺 Ruler free?

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

Do Architects Ruler or 量尺 Ruler have ads?

Neither Architects Ruler nor 量尺 Ruler shows ads.

Which is updated more often, Architects Ruler or 量尺 Ruler?

Architects Ruler ships an update every 3 months, and 量尺 Ruler every 6 days. Most recently, Architects Ruler was updated on November 5, 2026 and 量尺 Ruler on November 6, 2026.