Comparison

Back Ext. Counter! vs SuperSlowTrainingTimer

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

Head to head
About

Back Ext. Counter!

Read full description

This App will support counting of Back Extension. The main function is counting of Back Extension. Main Function ・Count Back Extension ・Notifications ・Record Active Energy and Workouts to Apple Health. ・Save Results to Photo. ・View history. How to use ・Put iPhone on floor ・Tap start button. ・Keep your face close to iPhone screen. (Upper part) * ・Or count on iPhone screen tap. Active Energy ・Ex. METs 3.5, Weight 50 kg, Time 10 min. (3.5 - 1) x 50 x (10 / 60) x 1.05 = 21.86 kcal. Optional permission requests ・Apple Health: It is used to record data in Apple Health. ・Tracking: It is used to deliver personalized ads to you. ・Notifications: It is used to sending notifications. ・Photo Library: It is used to save image in Photo Library. Languages ・Japanese, English. *Dynamic Island devices not supported

About

SuperSlowTrainingTimer

This app guides you through slow training exercises with voice and screen prompts for lifting, holding, and lowering. Create custom training menus with adjustable repetitions, sets, and intervals. Supports background operation and dark mode for convenient use during workouts.

Highlights
  • Voice and screen counting for movements
  • Customizable training menus
  • Adjustable reps, sets, and intervals
  • Background operation support
  • Dark mode display
  • Silent mode operation
Features
Read full description

SuperSlowTrainingTimer is a timer application with a read-out function dedicated to slow training. It counts the movements that are important in slow training, such as lifting slowly, holding, and lowering slowly which are important in slow training, are counted by voice and screen display. You can create as many training menus as you want. The number of seconds, number of repetitions, interval time, and number of sets for each movement can be set freely. Dark mode display, background operation, and operation without releasing silent mode are also supported. It also supports dark mode display, background operation, and operation without releasing silent mode. It can be used for weight training, muscle training at home, toning up a lax body, maintaining muscle strength, and rehabilitation. It can be used for weight training, muscle training at home, toning up a lax body, maintaining muscle strength, rehabilitation, and as a reliable companion for slow training. <What is "slow training"?> Slow training is a training method that allows you to increase the load on your muscles by performing muscle training in slow motion. Slow training is a training method that increases the load on the muscles by training them in slow motion. Even with a small number of repetitions, the effect is tremendous. By moving slowly, the load on the joints is also reduced, thus reducing the risk of injury. <The following items can be set> ・The number of seconds to count down to the start  ・Name of the training menu ・Number of seconds to move (raise or lower) ・Number of seconds to hold ・Number of seconds to return (lower/lower/up) ・Number of repetitions ・Interval between reps ・Number of sets ・Interval between sets ・Counting voice <Features of the app> ・Count each movement (move, hold, return) with voice and display. ・You can create as many training menus as you like. ・You can choose the type of voice that counts. ・Push notifications for today's workout. ・Tap the notification and start working out immediately. ・Cool dark mode display. ・Can be used without deactivating silent mode

Screenshots

Back Ext. Counter!4 screens
SuperSlowTrainingTimer4 screens

Verdict

The call

The clearest difference is in-app purchases: Back Ext. Counter! at none against SuperSlowTrainingTimer's 1. Back Ext. Counter! also leads on iOS requirement (16.6 vs 18.0). SuperSlowTrainingTimer's advantage is update cadence (every 3 weeks vs every 4 months). On price, ads 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. SuperSlowTrainingTimer sells 1 one-off in-app purchase. Back Ext. Counter! asks for nothing beyond the download.

UpkeepUpdate frequency

Back Ext. Counter! ships an update every 4 months, SuperSlowTrainingTimer every 3 weeks. The most recent releases landed on September 10, 2026 and June 2, 2026 respectively.

Scorecard3 real differences · 7 level
Back Ext. Counter! versus SuperSlowTrainingTimer: the parameters behind the verdict, then further details
ParameterBack Ext. Counter!SuperSlowTrainingTimer
PriceFreeFree
Rating—3.7 (3 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—3 — better
Update frequencyEvery 4 monthsEvery 3 weeks — better
AdsYesYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhoneiPhone
Requires iOS16.6 — better18.0
Further details — not scored
Size31 MB12 MB
Age rating17+4+
DeveloperIntersectKENICHI YAMAMOTO

In-app purchases

None

Back Ext. Counter!

No in-app purchases

1 purchases

SuperSlowTrainingTimer

One-time1
  • Remove ADs$3.99

Questions

Is Back Ext. Counter! free?
Back Ext. Counter! is free to download, with no in-app purchases.
Is SuperSlowTrainingTimer free?
SuperSlowTrainingTimer is free to download, with in-app purchases available.
Do Back Ext. Counter! or SuperSlowTrainingTimer have ads?
Both Back Ext. Counter! and SuperSlowTrainingTimer show ads.
Which is updated more often, Back Ext. Counter! or SuperSlowTrainingTimer?
Back Ext. Counter! ships an update every 4 months, and SuperSlowTrainingTimer every 3 weeks. Most recently, Back Ext. Counter! was updated on September 10, 2026 and SuperSlowTrainingTimer on June 2, 2026.

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