Remember the Filter vs Mona Radio
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Remember the Filter
This app helps you track filter changes for your home or business HVAC systems and refrigerators. It provides reminders based on usage and local air quality, and allows for easy reordering of exact filter sizes.
- Track HVAC and refrigerator filters
- Customizable change reminders
- Local air quality monitoring
- Smart schedule suggestions
- Business portfolio tracking
- One-tap reordering
- Data export and restore
Read full descriptionHide full description
Never forget a filter change again — at home or across a portfolio of buildings — and finally understand what your filters are up against. Remember the Filter tracks every furnace, AC, and refrigerator filter, reminds you before each one is due, and shows you your local air quality so you know when a filter is working hardest. Whether it's one furnace or a fleet of rooftop units, your exact replacement is one tap away. ADD A FILTER IN SECONDS • Pick your size on simple wheels (W × H × D) and choose your MERV with a visual selector — no typing part numbers. • Name filters however you like ("Upstairs return," "RTU-4") when you track several. • Refrigerator filters too — by brand and model. REMINDERS THAT ACTUALLY FIT • Set any schedule — days, weeks, or months. • A transparent "smart schedule" suggests when to check each filter, based on your filter type, your home (pets, smoking, how many people), the season, and how the filter has actually looked at past changes. Every factor is shown in plain language — an honest estimate, never a hidden guess. • Tell us how the old filter looked when you swap it, and the schedule learns. LOCAL AIR QUALITY, TIED TO YOUR FILTER • See your live AQI, the pollutant breakdown, pollen levels, and a multi-day forecast. • We're honest about what a filter can and can't do: it captures airborne particulates like PM2.5, PM10, smoke, and pollen — not gases like ozone, NO₂, or CO. We tell you which is which, every time. • On smoky or high-pollen days, the app estimates the extra load on your filter and can move your reminder in — so you check it before it's overdue. • We never tell you to "size up" your MERV. A denser filter can strain an older system; we only ever suggest checking or replacing the same filter. FOR YOUR HOME • Every filter on one screen, most-due first, organized by room. • A lifespan gauge and countdown to the next change; log a note or photo each time. FOR YOUR BUSINESS • Track filters across properties, units, and systems — with a portfolio dashboard, a "due this week" rounds list, and search to jump to any filter fast. • Quick-add filters as you walk a building, no drilling required. • A portfolio pull list rolls up every size with quantities and where they go — reorder in bulk or share it to load the truck. • Scan a unit's nameplate to read the make, model, and serial on device; print QR labels; keep photo proof-of-service, change history, and CSV audit export. REORDER YOUR EXACT SIZE • One tap opens your size at the Remember the Filter store — standard and hard-to-find custom sizes (built to the ⅛ inch). • A rolled-up shopping list totals every size you track. PRIVATE BY DESIGN • No account, no login, no ads, no subscription. • Your data lives on your device, with export/restore so a new or lost phone never loses a thing. Air quality uses a ZIP you enter — never your device's location. Free forever. Set it up once, and never think about a filter change again.
Mona Radio
This app provides a modern interface for amateur radio operators, integrating spectrum, waterfall, tuning, and digital modes like FT8 and FreeDV. It offers logging services and supports a growing range of amateur radios across Apple devices.
- Spectrum and waterfall views
- Integrated FT8 decoding
- FreeDV and RADE digital voice support
- QSO logging and synchronization
- Support for multiple amateur radios
- Adaptive interface for iPhone, iPad, Mac, Apple TV
Read full descriptionHide full description
Mona Radio brings amateur radio into a modern Apple experience. Built for operators who care about both the radio and the experience around it, Mona Radio combines spectrum and waterfall, tuning and controls, receive audio, digital modes, diagnostics, logging, and more in a native Apple interface. Designed for iPhone, iPad, Mac, and Apple TV, Mona adapts to each device instead of stretching the same screen everywhere. SEE YOUR RADIO Explore live RF activity through responsive spectrum and waterfall views designed for touch, pointer, and larger displays. Tune from the spectrum, adjust operating controls, monitor signals, and choose the view that fits the way you operate. FT8, BUILT IN Decode activity, watch the waterfall, browse Band Activity, inspect station information, and work with FT8 without leaving the radio-control experience. Where transmission is supported, Mona uses deliberate transmit controls and keeps radio state visible. FREEDV AND RADE DIGITAL VOICE FreeDV and RADE bring digital voice into the same integrated experience. Availability follows the capabilities of the connected radio, with automatic RADE V1/V2 receive selection and integrated radio control where supported. Preview capabilities are clearly identified in the interface. LOG WHERE YOU OPERATE Log Services connect Mona Radio with supported online log services and local logging apps, bringing QSO logging and synchronization closer to the rest of your operating workflow. MORE RADIOS, ONE EXPERIENCE Mona Radio supports a growing range of amateur radios. Supported: Icom IC-705 Icom IC-7300 Preview: Icom IC-7300MK2 Icom IC-9700 Icom IC-7610 Icom IC-7760 Icom IC-R8600 — Receive Only Yaesu FT-710 Yaesu FT-891 FlexRadio FLEX-6400 Elecraft K4 / K4D / K4HD Feature availability varies by radio model, connection type, Apple platform, and validation status. Not every feature is available on every radio. See Supported Radios inside Mona Radio or visit monaradio.com/radios for current details. Network-connected radios communicate directly with Mona Radio over your local or private network. On Mac, selected radios can also use supported direct USB connections. HELP IMPROVE PREVIEW RADIO SUPPORT Preview integrations are actively being refined. If you use a Preview radio and encounter a connection, control, audio, spectrum, digital-mode, or transmit issue, we'd love to hear from you. Please contact support@monaradio.com. If possible, include your radio model, Apple device, connection type, Mona Radio version, and a Diagnostics export. BUILT FOR THE APPLE ECOSYSTEM On iPhone, Mona keeps the radio close at hand. On iPad, the larger display becomes a spacious operating surface. On Mac, Mona takes advantage of desktop space, keyboard and pointer interaction, and supported direct radio connections. Apple TV provides a receive-focused Radio Wall experience. DESIGNED TO TELL THE TRUTH Mona favors confirmed radio state, clear connection feedback, guarded transmit controls, and diagnostics that help explain what is actually happening instead of hiding problems behind a generic error. Supported, Preview, and Receive Only capabilities are identified separately. BUILT TO Preview: FlexRadio FLEX-6600; Elecraft K3 / K3S. Features vary by radio model and connection. Extend the life of radios. Preserve the memories carried with them.
Screenshots
Verdict
The clearest difference is in-app purchases: Remember the Filter at none against Mona Radio's 4. Mona Radio's advantage is update cadence (every 9 days vs every 5 weeks) and device support (5 vs 1). On price, rating, ratings volume and ads 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. Mona Radio sells 4 one-off in-app purchases. Remember the Filter asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Remember the Filter against 5.0 for Mona Radio. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
Remember the Filter ships an update every 5 weeks, Mona Radio every 9 days. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.
| Parameter | Remember the Filter | Mona Radio |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 5 weeks | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPad, Mac, Apple TV, Apple Watch — better |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 3 MB | 74 MB |
| Age rating | 4+ | 4+ |
| Developer | Striven Industries LLC | 曦 余 |
Customer experience
Remember the Filter
Mona Radio
In-app purchases
Remember the Filter
No in-app purchases
Mona Radio
- Small Support$1.99
- Supporter$4.99
- Generous Support$9.99
Show 1 moreShow fewer
- Mona Radio Pro$24.99
Questions
Is Remember the Filter free?
Is Mona Radio free?
Which has better reviews, Remember the Filter or Mona Radio?
Do Remember the Filter or Mona Radio have ads?
Which is updated more often, Remember the Filter or Mona Radio?
Other comparisons















