Ruler vs Doneo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ruler
This application provides a precise measurement tool by rendering according to your device's screen width specifications. It has been tested on a wide range of Apple devices to ensure accuracy for your measuring needs.
- Accurate screen-based rendering
- Device-specific calibration
- Wide device compatibility
- Precise measurement tool
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You may already noticed that most of ruler apps are actually wrong. Accurate Ruler renders according to screen width spec of the device that your are currently using. So It is accurate. Already tested in following devices including: iPhone X, XR, XS, Max All sizes of iPad 2019 iPhone 4 iPhone 4s iPhone 5 iPhone 5s iPhone 5c iPhone 6 iPhone 6 plus iPhone 6s iPhone 6s plus iPhone se iPhone 7 iPhone 7 plus iPad 2 iPad 3 iPad 4 iPad air iPad air 2 iPad mini iPad min 2 iPad min 3 iPad mini 4 iPad pro, iPod Touch 5/6 If your device is one of them, we insure it is accurate.
Doneo
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Doneo is the ultimate task management solution for individuals and teams. Stay focused, track progress, and accomplish more with our intuitive platform.
Screenshots
Verdict
The clearest difference is update cadence: Doneo at every 11 days against Ruler's every 5 months. Doneo also leads on iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Ruler ships an update every 5 months, Doneo every 11 days. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.
| Parameter | Ruler | Doneo |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (40 ratings) — better | — |
| Positive reviews | 54.2% of reviews | — |
| Number of ratings | 40 — better | — |
| Update frequency | Every 5 months | Every 11 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 29 MB |
| Age rating | 4+ | 17+ |
| Developer | 祥祎 刘 | Ahmed Alkhraissi |
Bugs and requests
Ruler
Reported bugs
10 issues- White/blank screen display on newer iOS versions
- App crashes and freezes on launch
- Ruler not rendering or displaying
- Toggle switches stuck in grey/disabled state
- Incorrect device identification (iPad size misidentification)
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- Incompatibility with iOS 13.3 and newer
- Authenticator code clipboard access on launch
- Screen rotation issues
- Inaccurate ruler scaling on iPhone 8, 11, 12, 13, 16 Pro
- App requests rating before allowing use
Requested features
7 requests- Support for iPhone 12, 13, 14, 15, 16 and newer models
- Millimeter measurement option
- Longer ruler display
- Fractional inches (1/16, 1/8) instead of decimal inches
- Support for newer iPad models
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- Ability to disable ads
- Better device detection and compatibility
Doneo
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Ruler
No in-app purchases
Doneo
No in-app purchases
