Comparison

Google Voice vs Zen Pi

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

Head to head
About

Google Voice

This app provides a dedicated phone number for calls, texts, and voicemail, syncing across devices for seamless use anywhere. It offers advanced spam filtering, call forwarding, and searchable message history. Voicemails are transcribed for easy reading and can be sent to your email.

Highlights
  • Dedicated phone number
  • Call, text, and voicemail
  • Cross-device syncing
  • Spam filtering and blocking
  • Call forwarding settings
  • Voicemail transcription
  • Searchable call/text history
Features
Currently charting
Read full description

Google Voice gives you a phone number for calling, text messaging, and voicemail. It works on smartphones and computers, and syncs across your devices so you can use the app in the office, at home, or on the go. NOTE: Google Voice only works for personal Google Accounts in the US and Google Workspace accounts in select markets. Text messaging is not supported in all markets. You’re in control Get spam filtered automatically and block numbers you don’t want to hear from. Manage your time with personalized settings for forwarding calls, text messages, and voicemail. Backed up and searchable Calls, text messages, and voicemails are stored and backed up to make it easy for you to search your history. Manage messages across devices Send and receive individual and group SMS messages from all your devices Your voicemail, transcribed Google Voice provides advanced voicemail transcriptions that you can read in the app and/or have sent to your email. Save on international calling Make international calls at competitive rates without paying extra for international minutes with your mobile carrier Keep in mind: • Google Voice is currently only available in the US. Google Voice for Google Workspace users is available in select countries. Check with your administrator for access. • Calls made using Google Voice for iPhone can be placed through a Google Voice access number. All access number based calls use the standard minutes from your cell phone plan and may incur costs (e.g. when traveling internationally).

About

Zen Pi

This app helps you manage your time by breaking it down into weekly and daily increments. It tracks time remaining in seconds for both the day and the year, and offers a daily astrological outlook.

Highlights
  • Weekly time management
  • Daily time tracking in seconds
  • Time remaining in year calculation
  • Daily astrological outlook
  • Productivity enhancement
Features
Read full description

Use Zen Pi to work in increments of weeks. The days will pass quickly, that is why Zen Pi tracks the week number. Zen Pi can help you be productive, and make good use of your time. You can work with each week, and each day as they come and go. Features the time remaining each day in seconds. And the time remaining this year in seconds. Also we provide a daily outlook, a modern day astrological forecast each day, for you to use.

Screenshots

Google Voice4 screens
Zen Pi2 screens

Verdict

The call

The clearest difference is rating: Zen Pi at 5.0 against Google Voice's 4.3. Zen Pi also leads on iOS requirement (16.6 vs 18.0). Google Voice's advantage is update cadence (weekly vs every 7 months) and ratings volume (62K vs 2). On price, ads, in-app purchases and monetization model 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

Zen Pi holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Google Voice has 62K ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Google Voice ships an update weekly, Zen Pi every 7 months. The most recent releases landed on October 21, 2026 and October 4, 2026 respectively.

Scorecard5 real differences · 6 level
Google Voice versus Zen Pi: the parameters behind the verdict, then further details
ParameterGoogle VoiceZen Pi
PriceFreeFree
Rating4.3 (62K ratings)5.0 (2 ratings) — better
Positive reviews14.2% of reviews—
Number of ratings62K — better2
Update frequencyWeekly — betterEvery 7 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
Best chart rank#30 — better—
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS18.016.6 — better
Further details — not scored
Size233 MB1 MB
Age rating4+17+
DeveloperGoogleChristopher Huffaker

Customer experience

Google Voice

All ratings61,959 ratings
Positive80.3%
Neutral5.8%
Negative13.9%
Written reviews1,335 reviews
Positive14.2%
Neutral9.1%
Negative76.7%

Zen Pi

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Google Voice

Reported bugs

4 issues
  • App crashes frequently
  • Inconsistent behavior when answering calls
  • Voicemail transcription issues
  • Syncing problems between app and web version

Requested features

4 requests
  • Separate ringtone/notification for Google Voice calls
  • In-app contact management
  • Improved call reliability and quality
  • Expanded international availability

Zen Pi

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Google Voice

No in-app purchases

None

Zen Pi

No in-app purchases

Questions

Is Google Voice free?
Google Voice is free to download, with no in-app purchases.
Is Zen Pi free?
Zen Pi is free to download, with no in-app purchases.
Which has better reviews, Google Voice or Zen Pi?
Zen Pi is rated higher. Google Voice averages 4.3 out of 5 from 62K ratings, while Zen Pi averages 5.0 from 2 ratings.
Do Google Voice or Zen Pi have ads?
Neither Google Voice nor Zen Pi shows ads.
Which is updated more often, Google Voice or Zen Pi?
Google Voice ships an update weekly, and Zen Pi every 7 months. Most recently, Google Voice was updated on October 21, 2026 and Zen Pi on October 4, 2026.

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