Comparison

Doubling Back vs 江淮卡友

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

Head to head
About

Doubling Back

This utility app allows you to precisely measure walking or running distances. You can start and stop tracking at any point, and it calculates the total distance covered only during the measured segments.

Highlights
  • Measure walking/running distance
  • Start and stop measurement
  • Calculate distance for selected portions
  • iPhone and iPad compatible
Features
Read full description

Doubling Back is an iPhone application for measuring your walking or running distance. What does Doubling Back offer that other pedometer apps do not? You can start and stop the measurement, and when you are finished, Doubling Back will show you the total distance for just the portions of the walk or run that you chose to measure.

About

江淮卡友

Features
Read full description

1、可通过用户APP了解车厂发布的实时资讯、优惠活动政策; 2、用户可以通过APP发布内容,给车厂的建议和问题咨询等; 3、用户APP可以通过APP预约车厂服务站的维修保养服务; 4、用户可以参与APP操作活动获取积分奖励,并在积分商城内进行兑换等;

Screenshots

Doubling Back1 screens
江淮卡友4 screens

Verdict

The call

The clearest difference is update cadence: 江淮卡友 at every 3 weeks against Doubling Back's every 13 months. Doubling Back's advantage is iOS requirement (12.0 vs 15). 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.

UpkeepUpdate frequency

Doubling Back ships an update every 13 months, 江淮卡友 every 3 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard2 real differences · 7 level
Doubling Back versus 江淮卡友: the parameters behind the verdict, then further details
ParameterDoubling Back江淮卡友
PriceFreeFree
Rating4.0 (4 ratings) — better—
Number of ratings4 — better—
Update frequencyEvery 13 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better15
Further details — not scored
Size9 MB196 MB
Age rating4+4+
DeveloperTerry NIGHTINGALE安徽江淮汽车集团股份有限公司

In-app purchases

None

Doubling Back

No in-app purchases

None

江淮卡友

No in-app purchases

Questions

Is Doubling Back free?
Doubling Back is free to download, with no in-app purchases.
Is 江淮卡友 free?
江淮卡友 is free to download, with no in-app purchases.
Do Doubling Back or 江淮卡友 have ads?
Neither Doubling Back nor 江淮卡友 shows ads.
Which is updated more often, Doubling Back or 江淮卡友?
Doubling Back ships an update every 13 months, and 江淮卡友 every 3 weeks. Most recently, Doubling Back was updated on November 2, 2026 and 江淮卡友 on November 3, 2026.

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