Comparison

Dialer vs SupplyDen

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

Head to head
About

Dialer

This app generates DTMF tones for interacting with landline phone systems and other devices that use these tones. It allows users to play tones directly from their device's speaker and offers features like saving favorite sequences.

Highlights
  • Generate DTMF tones
  • Use with POTS and landline phones
  • Save favorite tone sequences
  • Adjustable volume
  • Unlock expanded DTMF tones (Pro)
  • Unlimited favorites (Pro)
  • Customize tone and pause length (Pro)
Features
Read full description

Dialer works with any Plain Old Telephone System (POTS) that accepts Dual tone multi-frequency (DTMF) tones such as a standard landline phone system. To use Dialer, you hold your phone's speaker up to a telephone handset or microphone and play the tone by pressing a button or by selecting one of your saved favorites. Store up to five favorites in the free version for easy dialing, such as calling cards, teleconference numbers, or complicated phone tree's. Commas act as pauses during the dialing tone sequence to allow time for prompts and other delays. Simply hold up your iPhone speaker to the landline telephone's microphone or handset and press dial. Some other devices also use DTMF tones to configure, Dialer is great for these as well. Volume is controlled by your devices volume buttons, so you can easily turn it up or down for just the right volume of your tones. Unlock Dialer Pro features such as unlimited favorites, and the ability to set the dial tone length and pause length (for commas). **Please note that some Voice over IP (VOIP) systems can have trouble recognizing the tones, for those systems try a longer key press allowing enough time for the system to register the tone. Purchase the optional upgrade to unlock these features: - Dial with precision: Unlock the power of four additional expanded DTMF tones – A, B, C, and D. Whether you're interacting with automated systems, entering passwords, or accessing exclusive services, Dialer Pro has got you covered. - Save your favorites effortlessly: With Dialer Pro, you can save an unlimited number of favorites directly from the main dialer screen, ensuring quick and easy access whenever you need it. - Customize your dialing experience: Take control over tone length and pause time when dialing your favorites. Tailor your settings to match your unique requirements, ensuring seamless compatibility with any phone system. ACCESSIBILITY FEATURES: Dialer is now fully accessible with comprehensive VoiceOver support: • Complete screen reader compatibility for blind and visually impaired users • Custom accessibility actions for DTMF tone testing via swipe gestures • Configurable VoiceOver delay timing for optimal audio experience • Clear button labels and navigation hints throughout the app • Accessible favorites management and editing Download Dialer today and make your dialing experience smarter, faster, and more enjoyable.

About

SupplyDen

Features
Read full description

A smarter way to organize your supplies, gear, and emergency essentials. SupplyDen helps you manage your inventory for home preparedness, camping, van life, overlanding, and everyday readiness — completely offline. Track food, water, tools, medical supplies, camping gear, vehicle equipment, ammunition inventory, and more. Whether you are preparing your home, packing for a trip, managing your van setup, or organizing your overlanding gear, SupplyDen helps you know what you have, where it is, and what you may need next. With the Autonomy dashboard, SupplyDen gives you a quick overview of how many days your registered supplies can support your household. Adjust your household size, monitor your water and food coverage, review items expiring soon, and keep an organized overview of your essential inventory. SupplyDen works fully offline, so your inventory stays available even without internet, cell signal, or cloud access. Your data stays on your device, giving you control, privacy, and access when it matters most. Designed for prepared homes, campers, van lifers, overlanders, and anyone who wants to stay organized and ready. Stay prepared. Stay organized. Keep everything in your den.

Screenshots

Dialer3 screens
SupplyDen4 screens

Verdict

The call

The clearest difference is in-app purchases: SupplyDen at none against Dialer's 1. SupplyDen also leads on update cadence (every 5 days vs every 5 months) and iOS requirement (15.0 vs 18.0). 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. Dialer sells 1 one-off in-app purchase. SupplyDen asks for nothing beyond the download.

UpkeepUpdate frequency

Dialer ships an update every 5 months, SupplyDen every 5 days. The most recent releases landed on October 9, 2026 and October 14, 2026 respectively.

Scorecard3 real differences · 7 level
Dialer versus SupplyDen: the parameters behind the verdict, then further details
ParameterDialerSupplyDen
PriceFreeFree
Rating3.9 (74 ratings) — better—
Positive reviews57.1% of reviews—
Number of ratings74 — better—
Update frequencyEvery 5 monthsEvery 5 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhoneiPhone, iPod — better
Requires iOS18.015.0 — better
Further details — not scored
Size2 MB35 MB
Age rating4+12+
DeveloperEmmanuel TsourisJose Ismael Ortiz Santiago

In-app purchases

1 purchases

Dialer

One-time1
  • Pro Upgrade$4.99
None

SupplyDen

No in-app purchases

Questions

Is Dialer free?
Dialer is free to download, with in-app purchases available.
Is SupplyDen free?
SupplyDen is free to download, with no in-app purchases.
Do Dialer or SupplyDen have ads?
Neither Dialer nor SupplyDen shows ads.
Which is updated more often, Dialer or SupplyDen?
Dialer ships an update every 5 months, and SupplyDen every 5 days. Most recently, Dialer was updated on October 9, 2026 and SupplyDen on October 14, 2026.

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