Verithiathe honest score on any app
Updated July 2026 · real, multi-region App Store reviews
Head-to-head

Zen Battery vs Battery Life

Zen Battery 4.7★ · Free to download 80
Winner Zen Battery
Battery Life 4.6★ · Free to download 45

Zen Battery is the better choice for users seeking a simple, visually clear, and reliable battery monitor, while Battery Life struggles with accuracy, ads, and notification issues.

Full reviews: Zen Battery · Battery Life

Zen Battery offers a straightforward, visually appealing interface for monitoring battery status, with many users praising its accuracy and ease of use. Battery Life, despite having more ratings, is frequently criticized for intrusive ads, inaccurate readings, and non-functional notifications.

Head to head

Features edge: Zen BatteryR3R8R9R12
Zen Battery Zen Battery provides basic battery information, often praised for its clear graphics, customizable colors, and large display, which is particularly helpful for users with vision impairments R20R23. Some users appreciate its ability to show charging status and temperature R8R23. However, some reviewers desire more advanced features like a 12-hour clock setting, widgets, sound notifications for low battery, or more detailed charging stages R3R9R12.
Battery Life Battery Life aims to provide battery status for multiple devices, including Apple Watch and AirPods . It also offers detailed battery ratings in MAH for some users . However, many users report that features like notifications for battery levels do not work R76R82R89. There are also complaints about the lack of widgets despite promises and a perceived reduction in information compared to older versions .
Ease of Use edge: Zen BatteryR14R23R24R35
Zen Battery Zen Battery is widely praised for its simplicity, user-friendliness, and clear, easy-to-understand display R14R23R24R35. Users appreciate being able to quickly see their battery status with a glance R23.
Battery Life Battery Life has mixed reviews regarding ease of use. Some find it convenient for checking multiple devices , but others report issues with the app crashing or requiring manual updates on Apple Watch . Many users also find the app's functionality to be minimal, offering little more than what the iOS system already provides .
Reliability edge: Zen BatteryR2R4R8R10
Zen Battery Zen Battery is frequently described as accurate, dependable, and reliable by long-term users R2R8R14. Some users even claim it helps charge their phone faster R24. However, a few reviews state it is not accurate R4 or that it slows down charging R10.
Battery Life Battery Life faces significant criticism regarding its reliability. Many users report that the battery percentage displayed is not accurate or rounds up/down R89. Notifications are frequently cited as not working R76R82R89. There are also reports of the app consuming excessive battery itself and not connecting properly to all devices .
Price/Value edge: Zen BatteryR5R15R16R30
Zen Battery Zen Battery is free to download and many users appreciate its free functionality, especially the customizable graphics and clear display R30. Some users mention paying for battery designs R5 or that ads appear if not paid for R15R16R50, but the core functionality is generally seen as valuable for a free app.
Battery Life Battery Life is also free to download, but it is heavily criticized for an excessive number of intrusive ads in the free version R67. Users who pay for the Pro version to remove ads often find that key features like notifications still do not work, leading to a perception of poor value even after purchase R82R89. Some users explicitly state they do not like apps that require purchase .
Support edge: Zen BatteryR3R6R8R12
Zen Battery Reviews for Zen Battery do not frequently mention direct interactions with support. Some users express hope for future updates to add features or fix compatibility issues R3R6R12. The app's long-standing positive reputation among many users suggests a generally stable experience that may not require frequent support contact R8R14.
Battery Life Battery Life users report negative experiences with support. One user mentions a developer reply that dismissed a bug report . Another user states that they contacted the company after paying for the app and receiving no alerts, but nobody responded . The presence of an empty FAQ page also suggests a lack of readily available self-help resources .
Pick Zen Battery if

Pick Zen Battery if you need a simple, visually clear, and reliable app to monitor your device's battery status, especially if you appreciate customizable graphics or require a large, easy-to-read display R23R35.

Pick Battery Life if

Pick Battery Life if you are primarily interested in attempting to monitor multiple Apple devices (like an Apple Watch or AirPods) from one app and are willing to tolerate significant ads or pay for a potentially unreliable premium experience .

Evidence note: Zen Battery has a higher lifetime rating with fewer reviews, while Battery Life has a lower lifetime rating but significantly more reviews, many of which are negative and recent. The evidence for Battery Life's issues (ads, inaccuracies, non-working notifications) is extensive and consistent across many reviews.

Frequently asked

Do these apps provide more information than the default iOS battery display?
Zen Battery offers a clearer, larger graphic display and customizable colors, which many users find more helpful than the small default indicator, especially for visibility R20. Battery Life, however, is frequently criticized for providing little to no additional useful information beyond what iOS already offers, with some users stating it's 'pointless' R1R7R19.
Are there many ads in these free apps?
Zen Battery has some ads, which some users mention appear if they don't pay for certain features or the app R15R16R50. Battery Life, however, is heavily criticized for an overwhelming number of intrusive and loud video ads that appear frequently, often every time a user clicks on something R67.
Do these apps offer battery charging notifications?
Zen Battery has some users requesting sound notifications for low battery R9, but reviews do not indicate built-in charging notifications. Battery Life explicitly advertises battery charge notifications, but numerous users report that these notifications do not work, even after purchasing the app R76R82R89.

What reviewers actually said

Built only from these 120 real reviews (foreign ones translated). Superscripts jump to the quote here. Apple has no per-review links, so [ref] opens that app's reviews on the App Store.

  1. [R3] Zen Battery 3/5 · US Almost Complete: This app has all the basic info. Needs a setting for a 12-hour clock, instead of only 24-hour clock, and a widget would be appreciated.
  2. [R8] Zen Battery 5/5 · US Great app: I’ve used them for a long time from iPhones to Google phones to Androids through the years. I love that it can tell me. when my phone is hot. It tells me my charging status and keeps me informed.
  3. [R9] Zen Battery 3/5 · US Great app wish it could be more interactive.: I would like it more if I could add sound to signal low level.
  4. [R12] Zen Battery 3/5 · GB Needs to improve: I have other battery apps like the battery doctor which shows 3 stages of the battery being charged unlike this one that just shows that it is just charging. This app requires to show a lot more information to make it worthy of 5 star rating. Look forward to a major update hopefully coming soon......
  5. [R14] Zen Battery 5/5 · US Long time user: Used app for many years it has worked well for me to monitor my power simple and user friendly
  6. [R23] Zen Battery 5/5 · US Easy to know my battery status, charging and with a sense of humor.: I love that I can instantly grasp if I need to charge the battery and if it is charging without having to read anything. The colors are cute as is the transparent battery. Way better than other battery apps I’ve tried. Any suggestions? It is fine as it is, but if I were to think of things that would be helpful one would be th
  7. [R24] Zen Battery 5/5 · US Zen Battery: This battery is very easy to use and charges great,charges quickly.
  8. [R35] Zen Battery 5/5 · US Clear, Graphic & Simple: Extremely well designed to be very helpful, effective and useful.
  9. [R2] Zen Battery 5/5 · US Competent: Very handy and accurate!
  10. [R4] Zen Battery 2/5 · US Me: Not accurate
  11. [R10] Zen Battery 2/5 · US Ok this app is not worth it!: Dam this app is trying to let me say something’s wrong with this app it’s keep onCanceling what am trying to say btw’ the day I found this app it doesn’t have any anamatoins at ALL and all it does is tell you when your device is gonna be charged it doesn’t do anything else but one more thing it does it makes your charger slow so you’ll have to wait 20!!!!!! Hours If i
  12. [R5] Zen Battery 5/5 · US Great: Made good sound and fun bad news I had to pay for the battery design
  13. [R15] Zen Battery 3/5 · GB Terry: Ok at first, then the ads kick in....everything has to be commercial today
  14. [R16] Zen Battery 2/5 · GB Looks good: Quick and simple display. Is slightly slow to launch. Ditch the splash screen please. Just had the first annoying ads appear. Sorry you need to be able to remove these. Removing app.
  15. [R30] Zen Battery 5/5 · US #1: Best free battery app out there! Don’t hesitate to download it. Awesome graphics!
  16. [R6] Zen Battery 3/5 · US Need to be updated: Needs to be updated to work on a iPhone SE
  17. [R1] Zen Battery 1/5 · US Great app… Unless you want to know anything helpful about your battery?: This app is great if you want to see a color drawing of your battery, in a dozen different colors and don’t need any more information then your device already tells you up at the top of the screen on the right, otherwise it’s pretty useless.
  18. [R7] Zen Battery 1/5 · US What !??!: Does nothing really
  19. [R19] Zen Battery 1/5 · GB Another rubbish battery app: All it does is tell you what battery power you have left. Spookily my iPad already tells me that in top right corner of the screen😡
  20. [R20] Zen Battery 5/5 · US Great battery graphic: Long time app user here. Best one out there. No problem seeing the level on this app.
  21. [R50] Zen Battery 5/5 · US Worth it Never Worry Again: The great thing about this app is you can leave it open as your phone charges and it’ll tell you how much battery charge it has how long it will last and it’s got a cool color to it. I tried to recommend more people to this app, but there was too many ads when you don’t pay for the app to have forever.
  22. [R67] Battery Life 1/5 · US Too many ads and useless app: Way too many ads and a very useless app
  23. [R76] Battery Life 1/5 · US Notifications don’t work: Battery charge notifications don’t work.
  24. [R82] Battery Life 1/5 · US Garbage app. Doesn't work: Paid for money for this app and doesn't alert as it says it should.
  25. [R89] Battery Life 2/5 · US No Notifications: Paid for the app. It’s OK. Battery percentage for devices monitored is not completely accurate. Seems to round up and down. I was drawn to the app which allows you to set up notifications when devices reach a certain level but, the don’t work.

Synthesized from 120 recent App Store reviews · updated July 2026 · View on the App Store