Comparison

Battery Trick vs LifeLine

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

Head to head
About

Battery Trick

This app helps parents manage children's screen time by simulating a low battery notification. It allows parents to set timers and provides a safe browsing environment within the app, making device handover more peaceful.

Highlights
  • Realistic low battery simulation
  • Parent-only unlock gesture
  • Safe browser for video sites
  • Timer setting
  • Peaceful screen time transitions
Features
Read full description

Stop screen time battles with a fake "Low Battery"! Are you struggling to get your child to stop watching videos? Does taking the device away always end in tears and tantrums? "Battery Trick" is here to help parents end screen time peacefully. [How it works] 1. Set the timer. 2. Hand the device to your child to watch videos. 3. When time is up, a realistic "Low Battery" screen appears. 4. The child believes the battery is dead and hands the device back naturally. [Key Features] - Realistic Low Battery Screen: A perfectly timed visual trick. - Parent-Only Unlock: Use a secret long-press gesture to exit. Kids can't bypass it. - Safe Browser: Browse video sites within the app. No more fighting. Let the "battery" be the bad guy, not you! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

LifeLine

Features
Read full description

人生を、一本の線で描こう。 LifeLineは、あなたの人生の出来事を年齢ごとに記録し、幸福度の変化を折れ線グラフで可視化するアプリです。 ■ 主な機能 ・年齢と出来事を入力するだけで、自動的にライフラインチャートを生成 ・幸福度(1〜10)で人生の浮き沈みを表現 ・プレゼンモードで、出来事を一つずつ振り返りながら発表 ・共有コード・QRコードで、仲間とライフラインをシェア ・写真の追加で、思い出をより鮮やかに ・音声入力に対応 — 話すだけで出来事を記録 ・テンプレートから簡単に作成開始 ・日本語・英語対応 ■ こんな方におすすめ ・自分の人生を振り返りたい方 ・チームやグループで互いの人生をシェアしたい方 ・自己紹介やワークショップの資料を作りたい方 ・コーチング・研修で活用したい方 あなたの人生のストーリーを、LifeLineで描いてみませんか?

Screenshots

Battery Trick4 screens
LifeLine3 screens

Verdict

The call

The clearest difference is in-app purchases: LifeLine at none against Battery Trick's 1. LifeLine also leads on ads (none vs shown) and update cadence (every 4 days vs every 10 days). On price, device support and iOS requirement 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. Battery Trick sells 1 one-off in-app purchase. LifeLine asks for nothing beyond the download.

UpkeepUpdate frequency

Battery Trick ships an update every 10 days, LifeLine every 4 days. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
Battery Trick versus LifeLine: the parameters behind the verdict, then further details
ParameterBattery TrickLifeLine
PriceFreeFree
Rating3.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 10 daysEvery 4 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.1 — better
Further details — not scored
Size21 MB35 MB
Age rating17+4+
DeveloperJUNICHI WATANABEtajiri tadayoshi

In-app purchases

1 purchases

Battery Trick

One-time1
  • Battery Trick Pro (Lifetime)$2.99
None

LifeLine

No in-app purchases

Questions

Is Battery Trick free?
Battery Trick is free to download, with in-app purchases available.
Is LifeLine free?
LifeLine is free to download, with no in-app purchases.
Do Battery Trick or LifeLine have ads?
Battery Trick shows ads; LifeLine does not.
Which is updated more often, Battery Trick or LifeLine?
Battery Trick ships an update every 10 days, and LifeLine every 4 days. Most recently, Battery Trick was updated on October 29, 2026 and LifeLine on October 31, 2026.

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