Comparison

map vs Length

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

Head to head
About

map

Visualize global times and daylight patterns on an interactive world map. This utility helps you convert time zones, track favorite locations, and understand day/night cycles worldwide. It's designed for quick and easy use on all your devices.

Highlights
  • Visual world clock
  • Day and night world map
  • Sun position indicator
  • Time zone converter
  • International Date Line display
  • Favorite locations management
Features
Currently charting
Read full description

map:clock allows you to keep track of current time for major cities and time zones on a world map. The current time can be displayed on a world map along with day and night effects. - Visual world clock - Day and night world map with sun position - Time zone converter - The International Date Line can be displayed on the map - Add cities/locations to your Favorites (Rename locations as you like) - Quick and easy to use - Universal App (One purchase for all devices - iPhone and iPad) ■Note: This app work in landscape mode. No portrait mode. ---------------- Report a Problem --------------- If you have any problems, please sent me an email. [app@myindex.jp]

About

Length

Features
Read full description

The Length-Units Converter application converts the entered length value into 17 units. The unit of conversion is in inches [in], feet [ft], mile [mile], and so on. In addition, you can also convert "Sun", "Shaku", "Ri" etc. which are the unique length units of Japan. Simply enter the length value and select the unit of length with the unit selection button, the value converted into 17 units will be displayed. Units supported by this application are as follows. 【Unit of Length】 Metre[m], Centimetre[cm], Millimetre[mm], Kilometre[km], Nauticalmile[M], Mil[mil], Inch[in], Foot[ft], Yard[yd], Chain[chain], Mile[mile], Sun[寸], Shaku[尺], Bu/Ken[歩/間], Jō[丈], Chō[町], Ri[里]

Screenshots

map4 screens
Length4 screens

Verdict

The call

The clearest difference is update cadence: map at every 5 months against Length's every 87 months. map also leads on chart position (#143 vs unranked). Length's advantage is price ($1.99 vs $2.99) and iOS requirement (12.0 vs 15.0). On 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

map costs $2.99 and Length $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

map ships an update every 5 months, Length every 87 months. The most recent releases landed on October 26, 2026 and October 12, 2026 respectively.

Scorecard4 real differences · 7 level
map versus Length: the parameters behind the verdict, then further details
ParametermapLength
Price$2.99$1.99 — better
Rating4.6 (13 ratings) — better—
Positive reviews88.2% of reviews—
Number of ratings13 — better—
Update frequencyEvery 5 months — betterEvery 87 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
Best chart rank#143 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size7 MB8 MB
Age rating4+4+
DevelopermyINDEXKei Suefuji

In-app purchases

None

map

No in-app purchases

None

Length

No in-app purchases

Questions

Is map free?
map costs $2.99, with no in-app purchases.
Is Length free?
Length costs $1.99, with no in-app purchases.
Do map or Length have ads?
Neither map nor Length shows ads.
Which is updated more often, map or Length?
map ships an update every 5 months, and Length every 87 months. Most recently, map was updated on October 26, 2026 and Length on October 12, 2026.

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