Comparison

PDI Mobile vs CallHub

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

Head to head
About

PDI Mobile

This business application enhances functionality for canvassing projects. It offers seamless integration with existing workflows, improving efficiency for users involved in political data collection and management.

Highlights
  • Enhanced canvassing functionality
  • Seamless integration
  • Improved workflow efficiency
  • Data management tools
Features
Currently charting
Read full description

The new PDI Mobile App is an app with enhanced functionality that can be used seamlessly with existing canvassing projects.

About

CallHub

Make calls and send texts to support causes you care about. Engage in phone banking and peer-to-peer texting campaigns to mobilize supporters, identify voters, and drive fundraising efforts from anywhere.

Highlights
  • Automated dialers
  • Streamlined call conversations
  • Fast peer-to-peer texting
  • Bi-directional data sync
  • Monitor and record calls
  • Personalized conversations
Features
Read full description

Use the CallHub Mobile App to make calls and send texts for the causes you support. Join phone banking and peer-to-peer texting campaigns and encourage people to take action from the comfort of your home or while on the go. You can aid voter identification, voter persuasion, GOTV, fundraising, and supporter mobilization efforts. You can: MAKE 3X MORE CALLS Maximise your productivity by skipping answering machines, bad numbers, and busy lines. STREAMLINE CALL CONVERSATIONS Guide volunteers to the right section of the script depending on the survey response. CALL PEOPLE WHEN THEY’RE MORE LIKELY TO PICK UP Schedule a time that’s more convenient for the people you call. RECEIVE INCOMING CALLS Route calls to ensure you don’t miss potential conversations FAST PEER TO PEER TEXTING Autosend initial message so that volunteers only handle responses ENGAGE IN 1:1 CONVERSATION VIA TEXTING Drive engagement with higher response rate than email REPLY QUICKLY Create your own templated responses or utilize added templates for frequently asked questions PERSONALIZE CONVERSATION Use personalized tags, emojis, surveys, and interaction history to personalize your contact’s experience Fast Peer to Peer Texting Autosend Other features include: * Automated dialers to match every calling requirement Make calls one at a time with Power Dialer, dial multiple numbers in one go with Auto Dialer or let our predictive algorithm connect callers to contacts instantly with Predictive Dialer. * Bi-directional data sync with popular campaigning tools CallHub connects to tools like NGPVAN, NationBuilder, Action Network and Salesforce to let you sync data in real-time. * Monitor and record calls Join live calls to guide training sessions and help maintain quality standards — or review call recordings at a later time. *Drop pre recorded voicemails Send voicemails when call is picked up by answering machines * Survey types Collect support data with multiple survey forms. You can also bring in surveys and events from connected CRMs. CallHub is a SaaS software suite of voice and text communication tools that help organizations make mass communication more human. Our Voice and SMS software connect campaigns to their audience through Phone Banking, Peer to Peer Texting, Text Broadcast, Voice Broadcasting, and Text to Join software. Social impact organizations across 200+ countries with more than 30 million contacts use CallHub to identify, nurture and build relationships with supporters and beneficiaries.

Screenshots

PDI Mobile3 screens
CallHub4 screens

Verdict

The call

The clearest difference is rating: CallHub at 4.6 against PDI Mobile's 3.5. CallHub also leads on review sentiment (25% vs 0%) and ratings volume (475 vs 10). PDI Mobile's advantage is monetization model (free vs freemium) and update cadence (weekly vs every 6 weeks). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

CallHub holds the better App Store score, 4.6 against 3.5. That said, the two scores are not equally well evidenced: CallHub has 475 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 0% of PDI Mobile's written reviews are positive against 25% of CallHub's.

UpkeepUpdate frequency

PDI Mobile ships an update weekly, CallHub every 6 weeks. The most recent releases landed on September 9, 2026 and September 25, 2026 respectively.

Scorecard6 real differences · 5 level
PDI Mobile versus CallHub: the parameters behind the verdict, then further details
ParameterPDI MobileCallHub
PriceFreeFree
Rating3.5 (10 ratings)4.6 (475 ratings) — better
Positive reviews0.0% of reviews25.0% of reviews — better
Number of ratings10475 — better
Update frequencyWeekly — betterEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterFreemium
Best chart rank#180 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS14.013.0 — better
Further details — not scored
Size100 MB68 MB
Age rating17+4+
DeveloperPolitical Data Inc.Gaglers Inc

Customer experience

PDI Mobile

All ratings10 ratings
Positive60.0%
Neutral0.0%
Negative40.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

CallHub

All ratings475 ratings
Positive89.3%
Neutral4.2%
Negative6.5%
Written reviews8 reviews
Positive25.0%
Neutral12.5%
Negative62.5%

In-app purchases

None

PDI Mobile

No in-app purchases

None

CallHub

No in-app purchases

Questions

Is PDI Mobile free?
PDI Mobile is free to download, with no in-app purchases.
Is CallHub free?
CallHub is free to download, with no in-app purchases.
Which has better reviews, PDI Mobile or CallHub?
CallHub is rated higher. PDI Mobile averages 3.5 out of 5 from 10 ratings, while CallHub averages 4.6 from 475 ratings.
Do PDI Mobile or CallHub have ads?
Neither PDI Mobile nor CallHub shows ads.
Which is updated more often, PDI Mobile or CallHub?
PDI Mobile ships an update weekly, and CallHub every 6 weeks. Most recently, PDI Mobile was updated on September 9, 2026 and CallHub on September 25, 2026.

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