Comparison

DNT vs The Filter List

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

Head to head
About

DNT

This application connects to a proprietary digital scope via Wi-Fi to provide video preview and management of recorded videos and photos. It also offers ballistic calculation settings and basic digital scope functions like video recording control and zeroing.

Highlights
  • Wi-Fi connection to digital scope
  • Video preview
  • Video recording control
  • Zeroing function
  • Recorded video/photo management
  • Ballistic calculation settings
Features
Read full description

The APP can be used to connect to the our digital scope with Wi-Fi (The digital scope is manufactured by us), and has the following main functions. Video preview Basic digital scope functions, include video recording control and zeroing Recorded video/photo management Ballistic calculation settings Note: The digital scope is a pure optical tool, and our APP only do the calculation parameter settings and data management. It does not control the mechanic motion apart from our digital scope of any sort.

About

The Filter List

Features
Read full description

Never forget a filter again. The Filter List keeps every filter in your life — home and car — in one simple place, and reminds you before each one is due. Track your HVAC furnace filter, refrigerator water filter, under-sink and reverse-osmosis filters, car cabin air, and engine air filters. Add anything custom, too. - See everything sorted by what's due soonest - Get a reminder before a filter is due, and on the due date - One tap to mark a filter replaced — the next due date sets itself - Smart presets fill in sensible replacement intervals for you - Save the replacement part so reordering is effortless - Group filters by location — your home, your car, anywhere - Optional sync — keep your filters the same on every device Sync is set up with a five-word code. No account, no email, nothing to sign up for. It's off unless you turn it on, and the app works exactly the same without it. No account. No subscription. No ads. Simple, clean, and built to stay out of your way until you need it.

Screenshots

DNT3 screens
The Filter List4 screens

Verdict

The call

DNT and The Filter List are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

DNT ships an update every 5 weeks, The Filter List every 2 months. The most recent releases landed on October 20, 2026 and October 15, 2026 respectively.

ScorecardNo meaningful differences
DNT versus The Filter List: the parameters behind the verdict, then further details
ParameterDNTThe Filter List
PriceFreeFree
Rating3.0 (33 ratings) — better—
Positive reviews31.6% of reviews—
Number of ratings33 — better—
Update frequencyEvery 5 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.6 — better16.4
Further details — not scored
Size25 MB43 MB
Age rating17+4+
DeveloperDNT Optics, LLCTimothy Smith

In-app purchases

None

DNT

No in-app purchases

None

The Filter List

No in-app purchases

Questions

Is DNT free?
DNT is free to download, with no in-app purchases.
Is The Filter List free?
The Filter List is free to download, with no in-app purchases.
Do DNT or The Filter List have ads?
Neither DNT nor The Filter List shows ads.
Which is updated more often, DNT or The Filter List?
DNT ships an update every 5 weeks, and The Filter List every 2 months. Most recently, DNT was updated on October 20, 2026 and The Filter List on October 15, 2026.

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