Comparison

AMP Shockwave vs Postal Time Keeper

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

Head to head
About

AMP Shockwave

This Safari extension automatically redirects Accelerated Mobile Pages (AMP) to their standard web versions. It enhances browsing by ensuring you always see the full, non-AMP webpage.

Highlights
  • Redirects AMP pages
  • Works with Safari
  • Enhances browsing experience
  • Free to use
Features
Read full description

AMP Shockwave is a Safari extension that redirects AMP pages to normal pages.

About

Postal Time Keeper

Easily track your daily clock rings and important time stamps without manual notes. This app provides a clear 100-unit time display and allows you to search past entries by route number. Customize operations and store your barcode for quick scanner logins.

Highlights
  • Track clock rings
  • 100-unit time display
  • Search by route number
  • Customizable operations
  • Store barcode for scanner
  • Home screen widget
Features
Read full description

Postal Time Keeper lets you keep track of all of your important clock rings throughout the day. No more writing them down on scraps of paper and losing them! And best of all It a 100 Unit time stamp gets shown so no more checking that annoying time chart at the time clock! Postal Time Keeper keeps all of your clock rings saved in an easy to navigate format allowing you to go back to any day and see what you did. You can search by route number to see what day you did any given route. You can completely customize the list of Operations to fit your needs. As well as setting a default operation and route so you can quickly add your most commonly used clock ring. You can store your barcode for logging in and entering clockrings on your USPS Scanner. You can now keep your barcode on your iPhone Home Screen with a widget

Screenshots

AMP Shockwave4 screens
Postal Time Keeper3 screens

Verdict

The call

The clearest difference is price: AMP Shockwave at Free against Postal Time Keeper's $0.99. AMP Shockwave also leads on rating (4.7 vs 3.6) and update cadence (fortnightly vs every 11 months). On review sentiment, ads and in-app purchases 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

AMP Shockwave is free to download; Postal Time Keeper costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

AMP Shockwave holds the better App Store score, 4.7 against 3.6. Both are backed by a comparable volume of ratings — 24 and 7 respectively. Written reviews split almost evenly too, at 67% and 67% positive.

UpkeepUpdate frequency

AMP Shockwave ships an update fortnightly, Postal Time Keeper every 11 months. The most recent releases landed on October 5, 2026 and October 3, 2026 respectively.

Scorecard7 real differences · 3 level
AMP Shockwave versus Postal Time Keeper: the parameters behind the verdict, then further details
ParameterAMP ShockwavePostal Time Keeper
PriceFree — better$0.99
Rating4.7 (24 ratings) — better3.6 (7 ratings)
Positive reviews66.7% of reviews66.7% of reviews
Number of ratings24 — better7
Update frequencyFortnightly — betterEvery 11 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better17.0
Further details — not scored
Size1 MB1 MB
Age rating4+4+
DeveloperAnd a DinosaurMark Cornish

Customer experience

AMP Shockwave

All ratings24 ratings
Positive91.7%
Neutral0.0%
Negative8.3%
Written reviews12 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

Postal Time Keeper

All ratings7 ratings
Positive57.1%
Neutral14.3%
Negative28.6%
Written reviews3 reviews
Positive66.7%
Neutral33.3%
Negative0.0%

In-app purchases

None

AMP Shockwave

No in-app purchases

None

Postal Time Keeper

No in-app purchases

Questions

Is AMP Shockwave free?
AMP Shockwave is free to download, with no in-app purchases.
Is Postal Time Keeper free?
Postal Time Keeper costs $0.99, with no in-app purchases.
Which has better reviews, AMP Shockwave or Postal Time Keeper?
AMP Shockwave is rated higher. AMP Shockwave averages 4.7 out of 5 from 24 ratings, while Postal Time Keeper averages 3.6 from 7 ratings.
Do AMP Shockwave or Postal Time Keeper have ads?
Neither AMP Shockwave nor Postal Time Keeper shows ads.
Which is updated more often, AMP Shockwave or Postal Time Keeper?
AMP Shockwave ships an update fortnightly, and Postal Time Keeper every 11 months. Most recently, AMP Shockwave was updated on October 5, 2026 and Postal Time Keeper on October 3, 2026.

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