Comparison

PoolDose vs Numo Scanner

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

Head to head
About

PoolDose

Features
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Enter your test-strip readings to see what to add now: product, strength and amount in your units. Each reading has a status word, with water balance explained in words. For pools and hot tubs using chlorine, bromine, biguanide (Baquacil) or salt systems, at any volume, including spas under 1,000 gallons. Today's dose is always free. Logging adds tests to a local history; export is free. A one-time purchase unlocks full history and trends, every body of water and import of old logs. Restore purchase is available in Settings. No account. No subscription. Data is stored only on your device and is not copied to iCloud. PoolDose makes no network requests of its own; purchases use Apple's StoreKit. No permissions requested and no third-party SDK.

About

Numo Scanner

Features
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Numo Scanner is a professional mobile app for ticket inspectors and event organizers, developed by the Numotamo ticketing system. The app transforms your iPhone or iPad into a fast and reliable ticket scanner, ensuring seamless access control at any event—from intimate concerts to large-scale festivals and conferences. Key features: • Instant verification: Scan QR codes and barcodes using the integrated Vision camera scanner or a connected hardware scanner (Keyboard Wedge). • Quick authorization: Authorize using a settings QR code from the NumoTamo system or via an API key. • Clear notifications and feedback: Receive instant visual and audio/haptic confirmation signals, such as “Entry Allowed,” “Already Used,” and “Ticket Not Found.” • Offline capability and reliability: Locally cached controller profiles and fast app startup without delays. • Scan history: Save a list of recently verified tickets with color-coded status indicators and automatic removal of outdated data. • Event management: Automatically load the list of active events for on-site access control. • Multilingual interface: Full support for Ukrainian, English, and Russian, with quick language switching. Numo Scanner ensures high accuracy and protection against duplicate entry, streamlining the work of access-control staff at venue entrances.

Screenshots

PoolDose4 screens
Numo Scanner4 screens

Verdict

The call

The clearest difference is in-app purchases: Numo Scanner at none against PoolDose's 1. Numo Scanner also leads on update cadence (every 2 days vs every 2 months). On price, ads, device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. PoolDose sells 1 one-off in-app purchase. Numo Scanner asks for nothing beyond the download.

UpkeepUpdate frequency

PoolDose ships an update every 2 months, Numo Scanner every 2 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 4 level
PoolDose versus Numo Scanner: the parameters behind the verdict, then further details
ParameterPoolDoseNumo Scanner
PriceFreeFree
Update frequencyEvery 2 monthsEvery 2 days — better
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhoneiPhone, iPad — better
Requires iOS17.017.0
Further details — not scored
Size2 MB2 MB
Age rating4+4+
DeveloperLaure ShinNumotamo.com

In-app purchases

1 purchases

PoolDose

One-time1
  • Unlock history & all waters$4.99
None

Numo Scanner

No in-app purchases

Questions

Is PoolDose free?
PoolDose is free to download, with in-app purchases available.
Is Numo Scanner free?
Numo Scanner is free to download, with no in-app purchases.
Do PoolDose or Numo Scanner have ads?
Neither PoolDose nor Numo Scanner shows ads.
Which is updated more often, PoolDose or Numo Scanner?
PoolDose ships an update every 2 months, and Numo Scanner every 2 days. Most recently, PoolDose was updated on October 28, 2026 and Numo Scanner on October 31, 2026.

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